updates

src/common/layers.py

@@ -5,19 +5,35 @@ import numpy as np
 from .utils import  round_func
 
 class PercievePattern():
-    def __init__(self, receptive_field_idxes=[[0,0],[0,1],[1,0],[1,1]], center=[0,0], window_size=2):
-        assert window_size >= (np.max(receptive_field_idxes)+1)
-        receptive_field_idxes = np.array(receptive_field_idxes)
+    """
+    Coordinates scheme: [channel, height, width]. Channel can be ommited for all channels.
+    Examples: 
+    1. receptive_field_idxes=[[0,0],[0,1],[1,0],[1,1]]
+    2. receptive_field_idxes=[[0,0,0],[0,1,0],[1,1,0],[1,1]]
+    """
+    def __init__(self, receptive_field_idxes=[[0,0],[0,1],[1,0],[1,1]], center=[0,0], window_size=2, channels=1):
+        assert window_size >= (np.max([x for y in receptive_field_idxes for x in y])+1)
+        tmp = []
+        for coords in receptive_field_idxes:
+            if len(coords) < 3:
+                for i in range(channels):
+                    tmp.append([i,] + coords)
+            if len(coords) == 3:
+                tmp.append(coords)
+        receptive_field_idxes = np.array(sorted(tmp))
         self.window_size = window_size
         self.center = center
-        self.receptive_field_idxes = [receptive_field_idxes[i,0]*self.window_size + receptive_field_idxes[i,1] for i in range(len(receptive_field_idxes))]
+        self.receptive_field_idxes = [receptive_field_idxes[i,0]*self.window_size*self.window_size + receptive_field_idxes[i,1]*self.window_size + receptive_field_idxes[i,2] for i in range(len(receptive_field_idxes))]
+        assert len(np.unique(self.receptive_field_idxes) == len(self.receptive_field_idxes)), "Duplicated coordinates found. Coordinates scheme: [channel, height, width]."
 
     def __call__(self, x):
         b,c,h,w = x.shape
         x = F.pad(
             x, 
-            pad=[self.center[0], self.window_size-self.center[0]-1,
-                 self.center[1], self.window_size-self.center[1]-1], 
+            pad=[
+                self.center[0], self.window_size-self.center[0]-1, 
+                self.center[1], self.window_size-self.center[1]-1
+            ], 
             mode='replicate'
         )
         x = F.unfold(input=x, kernel_size=self.window_size)
@@ -452,3 +468,62 @@ class UpscaleBlockEffKAN(nn.Module):
         x = torch.tanh(x)         
         x = x*self.out_scale + self.out_bias
         return x  
+
+
+class ComplexGaborLayer2D(nn.Module):
+    '''
+        Implicit representation with complex Gabor nonlinearity with 2D activation function
+        https://github.com/vishwa91/wire/blob/main/modules/wire2d.py
+        Inputs;
+            in_features: Input features
+            out_features; Output features
+            bias: if True, enable bias for the linear operation
+            is_first: Legacy SIREN parameter
+            omega_0: Legacy SIREN parameter
+            omega0: Frequency of Gabor sinusoid term
+            sigma0: Scaling of Gabor Gaussian term
+            trainable: If True, omega and sigma are trainable parameters
+    '''
+    
+    def __init__(self, in_features, out_features, bias=True,
+                 is_first=False, omega0=10.0, sigma0=10.0,
+                 trainable=False):
+        super().__init__()
+        self.omega_0 = omega0
+        self.scale_0 = sigma0
+        self.is_first = is_first
+        
+        self.in_features = in_features
+        
+        if self.is_first:
+            dtype = torch.float
+        else:
+            dtype = torch.cfloat
+            
+        # Set trainable parameters if they are to be simultaneously optimized
+        self.omega_0 = nn.Parameter(self.omega_0*torch.ones(1), trainable)
+        self.scale_0 = nn.Parameter(self.scale_0*torch.ones(1), trainable)
+        
+        self.linear = nn.Linear(in_features,
+                                out_features,
+                                bias=bias,
+                                dtype=dtype)
+        
+        # Second Gaussian window
+        self.scale_orth = nn.Linear(in_features,
+                                    out_features,
+                                    bias=bias,
+                                    dtype=dtype)
+    
+    def forward(self, input):
+        lin = self.linear(input)
+        
+        scale_x = lin
+        scale_y = self.scale_orth(input)
+        
+        freq_term = torch.exp(1j*self.omega_0*lin)
+        
+        arg = scale_x.abs().square() + scale_y.abs().square()
+        gauss_term = torch.exp(-self.scale_0*self.scale_0*arg)
+                
+        return freq_term*gauss_term

src/common/test.py

@@ -92,7 +92,7 @@ def test_steps(model, datasets, config, log_prefix="", print_progress = False):
             total_area += lr_area
 
         row = [
-            dataset_name, 
+            f"{dataset_name} {config.color_model}", 
             np.mean(psnrs), 
             np.mean(ssims), 
             np.mean(run_times_ns)*1e-9, 

src/models/base.py

@@ -8,14 +8,15 @@ class SRNetBase(nn.Module):
     def __init__(self):
         super(SRNetBase, self).__init__()
     
-    def forward_stage(self, x, scale, percieve_pattern, stage):
+    def forward_stage(self, x, percieve_pattern, stage):
         b,c,h,w = x.shape
+        scale = stage.upscale_factor
         x = percieve_pattern(x)
         x = stage(x)
         x = round_func(x)
-        x = x.reshape(b, c, h, w, scale, scale)
-        x = x.permute(0,1,2,4,3,5)
-        x = x.reshape(b, c, h*scale, w*scale)
+        x = x.reshape(b, 1, h, w, scale, scale)
+        x = x.permute(0, 1, 2, 4, 3, 5)
+        x = x.reshape(b, 1, h*scale, w*scale)
         return x
 
     def get_lut_model(self, quantization_interval=16, batch_size=2**10):

src/models/hdbnet.py

@@ -113,11 +113,12 @@ class HDBNet(SRNetBase):
         return loss_fn
 
 class HDBNetv2(SRNetBase):
-    def __init__(self, hidden_dim = 64, layers_count = 4, scale = 4, rotations = 4):
+    def __init__(self, hidden_dim = 64, layers_count = 2, scale = 4, rotations = 4):
         super(HDBNetv2, self).__init__()
         assert scale == 4
         self.scale = scale 
         self.rotations = rotations
+        self.layers_count = layers_count
         self.stage1_3H = layers.UpscaleBlock(in_features=3, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=2, input_max_value=255, output_max_value=255)
         self.stage1_3D = layers.UpscaleBlock(in_features=3, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=2, input_max_value=255, output_max_value=255)
         self.stage1_3B = layers.UpscaleBlock(in_features=3, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=2, input_max_value=255, output_max_value=255)
@@ -208,8 +209,55 @@ class HDBNetv2(SRNetBase):
             return F.mse_loss(pred/255, target/255)
         return loss_fn
 
+class HDBLNet(SRNetBase):
+    def __init__(self, hidden_dim = 64, layers_count = 4, scale = 4):
+        super(HDBLNet, self).__init__()
+        self.scale = scale 
+        self.stage1_3H = layers.UpscaleBlock(in_features=3, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=self.scale)
+        self.stage1_3D = layers.UpscaleBlock(in_features=3, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=self.scale)
+        self.stage1_3B = layers.UpscaleBlock(in_features=3, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=self.scale)
+        self.stage1_3L = layers.UpscaleBlock(in_features=3, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=self.scale)
+
+        self._extract_pattern_3H = layers.PercievePattern(receptive_field_idxes=[[0,0],[0,1],[0,2]], center=[0,0], window_size=3)
+        self._extract_pattern_3D = layers.PercievePattern(receptive_field_idxes=[[0,0],[1,1],[2,2]], center=[0,0], window_size=3)
+        self._extract_pattern_3B = layers.PercievePattern(receptive_field_idxes=[[0,0],[1,2],[2,1]], center=[0,0], window_size=3)
+        self._extract_pattern_3L = layers.PercievePattern(receptive_field_idxes=[[0,0],[0,1],[1,1]], center=[0,0], window_size=2)
+
+    def forward_stage(self, x, scale, percieve_pattern, stage):
+        b,c,h,w = x.shape
+        x = percieve_pattern(x)   
+        x = stage(x)
+        x = round_func(x)
+        x = x.reshape(b, c, h, w, scale, scale)
+        x = x.permute(0,1,2,4,3,5)
+        x = x.reshape(b, c, h*scale, w*scale)
+        return x
             
-class HDBLNet(nn.Module):
+    def forward(self, x, config=None):
+        b,c,h,w = x.shape
+        x = x.reshape(b*c, 1, h, w)
+        lsb = x % 16
+        msb = x - lsb     
+        output_msb = self.forward_stage(msb, self.scale, self._extract_pattern_3H, self.stage1_3H) + \
+                     self.forward_stage(msb, self.scale, self._extract_pattern_3D, self.stage1_3D) + \
+                     self.forward_stage(msb, self.scale, self._extract_pattern_3B, self.stage1_3B)
+        output_lsb = self.forward_stage(lsb, self.scale, self._extract_pattern_3L, self.stage1_3L)
+        output_msb /= 3
+        if not config is None and config.current_iter % config.display_step == 0:
+            config.writer.add_histogram('s1_output_msb', output_msb.detach().cpu().numpy(), config.current_iter)
+            config.writer.add_histogram('s1_output_lsb', output_lsb.detach().cpu().numpy(), config.current_iter)            
+        output = output_msb + output_lsb
+        x = output.clamp(0, 255)
+        x = x.reshape(b, c, h*self.scale, w*self.scale)
+        return x
+
+    def get_loss_fn(self):
+        def loss_fn(pred, target):
+            return F.mse_loss(pred/255, target/255)
+        return loss_fn
+        
+
+class HDBLNetR90(SRNetBase):
     def __init__(self, hidden_dim = 64, layers_count = 4, scale = 4):
         super(HDBLNet, self).__init__()
         self.scale = scale 
@@ -243,17 +291,75 @@ class HDBLNet(nn.Module):
         for rotations_count in range(4):
            rotated_msb = torch.rot90(msb, k=rotations_count, dims=[2, 3])
            rotated_lsb = torch.rot90(lsb, k=rotations_count, dims=[2, 3])
-           output_msb += torch.rot90(self.forward_stage(rotated_msb, self.scale, self._extract_pattern_3H, self.stage1_3H), k=-rotations_count, dims=[2, 3])
-           output_msb += torch.rot90(self.forward_stage(rotated_msb, self.scale, self._extract_pattern_3D, self.stage1_3D), k=-rotations_count, dims=[2, 3])
-           output_msb += torch.rot90(self.forward_stage(rotated_msb, self.scale, self._extract_pattern_3B, self.stage1_3B), k=-rotations_count, dims=[2, 3])
-           output_lsb += torch.rot90(self.forward_stage(rotated_lsb, self.scale, self._extract_pattern_3L, self.stage1_3L), k=-rotations_count, dims=[2, 3])
+           output_msbt = self.forward_stage(rotated_msb, self.scale, self._extract_pattern_3H, self.stage1_3H) + \
+                         self.forward_stage(rotated_msb, self.scale, self._extract_pattern_3D, self.stage1_3D) + \
+                         self.forward_stage(rotated_msb, self.scale, self._extract_pattern_3B, self.stage1_3B)
+           output_lsbt = self.forward_stage(rotated_lsb, self.scale, self._extract_pattern_3L, self.stage1_3L)
+           if not config is None and config.current_iter % config.display_step == 0:
+                config.writer.add_histogram('s1_output_lsb', output_lsb.detach().cpu().numpy(), config.current_iter)
+                config.writer.add_histogram('s1_output_msb', output_msb.detach().cpu().numpy(), config.current_iter)
+           output_msb += torch.rot90(output_msbt, k=-rotations_count, dims=[2, 3])
+           output_lsb += torch.rot90(output_lsbt, k=-rotations_count, dims=[2, 3])
         output_msb /= 4*3
         output_lsb /= 4
-        output_msb = round_func((output_msb / 255) * 16) * 15
-        output_lsb = (output_lsb / 255) * 15
+        output = output_msb + output_lsb
+        x = output.clamp(0, 255)
+        x = x.reshape(b, c, h*self.scale, w*self.scale)
+        return x
 
-        x = output_msb + output_lsb
+    def get_loss_fn(self):
+        def loss_fn(pred, target):
+            return F.mse_loss(pred/255, target/255)
+        return loss_fn
+
+
+class HDBLNetR90KAN(SRNetBase):
+    def __init__(self, hidden_dim = 64, layers_count = 4, scale = 4):
+        super(HDBLNetR90KAN, self).__init__()
+        self.scale = scale 
+        self.stage1_3H = layers.UpscaleBlockChebyKAN(in_features=3, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=self.scale)
+        self.stage1_3D = layers.UpscaleBlockChebyKAN(in_features=3, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=self.scale)
+        self.stage1_3B = layers.UpscaleBlockChebyKAN(in_features=3, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=self.scale)
+        self.stage1_3L = layers.UpscaleBlockChebyKAN(in_features=3, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=self.scale)
 
+        self._extract_pattern_3H = layers.PercievePattern(receptive_field_idxes=[[0,0],[0,1],[0,2]], center=[0,0], window_size=3)
+        self._extract_pattern_3D = layers.PercievePattern(receptive_field_idxes=[[0,0],[1,1],[2,2]], center=[0,0], window_size=3)
+        self._extract_pattern_3B = layers.PercievePattern(receptive_field_idxes=[[0,0],[1,2],[2,1]], center=[0,0], window_size=3)
+        self._extract_pattern_3L = layers.PercievePattern(receptive_field_idxes=[[0,0],[0,1],[1,1]], center=[0,0], window_size=2)
+
+    def forward_stage(self, x, scale, percieve_pattern, stage):
+        b,c,h,w = x.shape
+        x = percieve_pattern(x)   
+        x = stage(x)
+        x = round_func(x)
+        x = x.reshape(b, c, h, w, scale, scale)
+        x = x.permute(0,1,2,4,3,5)
+        x = x.reshape(b, c, h*scale, w*scale)
+        return x
+            
+    def forward(self, x, config=None):
+        b,c,h,w = x.shape
+        x = x.reshape(b*c, 1, h, w)
+        lsb = x % 16
+        msb = x - lsb     
+        output_msb = torch.zeros([b*c, 1, h*self.scale, w*self.scale], dtype=x.dtype, device=x.device)
+        output_lsb = torch.zeros([b*c, 1, h*self.scale, w*self.scale], dtype=x.dtype, device=x.device)
+        for rotations_count in range(4):
+           rotated_msb = torch.rot90(msb, k=rotations_count, dims=[2, 3])
+           rotated_lsb = torch.rot90(lsb, k=rotations_count, dims=[2, 3])
+           output_msbt = self.forward_stage(rotated_msb, self.scale, self._extract_pattern_3H, self.stage1_3H) + \
+                         self.forward_stage(rotated_msb, self.scale, self._extract_pattern_3D, self.stage1_3D) + \
+                         self.forward_stage(rotated_msb, self.scale, self._extract_pattern_3B, self.stage1_3B)
+           output_lsbt = self.forward_stage(rotated_lsb, self.scale, self._extract_pattern_3L, self.stage1_3L)
+           if not config is None and config.current_iter % config.display_step == 0:
+                config.writer.add_histogram('s1_output_lsb', output_lsb.detach().cpu().numpy(), config.current_iter)
+                config.writer.add_histogram('s1_output_msb', output_msb.detach().cpu().numpy(), config.current_iter)
+           output_msb += torch.rot90(output_msbt, k=-rotations_count, dims=[2, 3])
+           output_lsb += torch.rot90(output_lsbt, k=-rotations_count, dims=[2, 3])
+        output_msb /= 4*3
+        output_lsb /= 4
+        output = output_msb + output_lsb
+        x = output.clamp(0, 255)
         x = x.reshape(b, c, h*self.scale, w*self.scale)
         return x
 
@@ -262,39 +368,21 @@ class HDBLNet(nn.Module):
             return F.mse_loss(pred/255, target/255)
         return loss_fn
 
-    # def get_lut_model(self, quantization_interval=16, batch_size=2**10):
-    #     stage1_3H = lut.transfer_3_input_SxS_output(self.stage1_3H, quantization_interval=quantization_interval, batch_size=batch_size)
-    #     stage1_3D = lut.transfer_3_input_SxS_output(self.stage1_3D, quantization_interval=quantization_interval, batch_size=batch_size)
-    #     stage1_3B = lut.transfer_3_input_SxS_output(self.stage1_3B, quantization_interval=quantization_interval, batch_size=batch_size)
-    #     stage1_2H = lut.transfer_2_input_SxS_output(self.stage1_2H, quantization_interval=quantization_interval, batch_size=batch_size)
-    #     stage1_2D = lut.transfer_2_input_SxS_output(self.stage1_2D, quantization_interval=quantization_interval, batch_size=batch_size)
-
-    #     stage2_3H = lut.transfer_3_input_SxS_output(self.stage2_3H, quantization_interval=quantization_interval, batch_size=batch_size)
-    #     stage2_3D = lut.transfer_3_input_SxS_output(self.stage2_3D, quantization_interval=quantization_interval, batch_size=batch_size)
-    #     stage2_3B = lut.transfer_3_input_SxS_output(self.stage2_3B, quantization_interval=quantization_interval, batch_size=batch_size)
-    #     stage2_2H = lut.transfer_2_input_SxS_output(self.stage2_2H, quantization_interval=quantization_interval, batch_size=batch_size)
-    #     stage2_2D = lut.transfer_2_input_SxS_output(self.stage2_2D, quantization_interval=quantization_interval, batch_size=batch_size)
-
-    #     lut_model = hdblut.HDBLut.init_from_numpy(
-    #         stage1_3H, stage1_3D, stage1_3B, stage1_2H, stage1_2D, 
-    #         stage2_3H, stage2_3D, stage2_3B, stage2_2H, stage2_2D
-    #     )
-    #     return lut_model
-
-class HDBHNet(nn.Module):
+
+class HDBHNet(SRNetBase):
     def __init__(self, hidden_dim = 64, layers_count = 4, scale = 4):
         super(HDBHNet, self).__init__()
         self.scale = scale 
         self.hidden_dim = hidden_dim
         self.layers_count = layers_count
 
-        self.msb_fns = nn.ModuleList([layers.UpscaleBlock(
+        self.msb_fns = SRNetBaseList([layers.UpscaleBlock(
             in_features=4,
             hidden_dim=hidden_dim,
             layers_count=layers_count,
             upscale_factor=self.scale
         ) for x in range(1)])
-        self.lsb_fns = nn.ModuleList([layers.UpscaleBlock(
+        self.lsb_fns = SRNetBaseList([layers.UpscaleBlock(
             in_features=4,
             hidden_dim=hidden_dim,
             layers_count=layers_count,

src/models/sdynet.py

@@ -92,6 +92,54 @@ class SDYNetx2(SRNetBase):
             return F.mse_loss(pred/255, target/255)
         return loss_fn
 
+
+class SDYNetx2Inv(SRNetBase):
+    def __init__(self, hidden_dim = 64, layers_count = 4, scale = 4):
+        super(SDYNetx2Inv, self).__init__()
+        self.scale = scale   
+        self._extract_pattern_S = layers.PercievePattern(receptive_field_idxes=[[0,0],[0,1],[1,0],[1,1]], center=[0,0], window_size=2)
+        self._extract_pattern_D = layers.PercievePattern(receptive_field_idxes=[[0,0],[2,0],[0,2],[2,2]], center=[0,0], window_size=3)
+        self._extract_pattern_Y = layers.PercievePattern(receptive_field_idxes=[[0,0],[1,1],[1,2],[2,1]], center=[0,0], window_size=3)
+        self.stage1_S = layers.UpscaleBlock(hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=scale)
+        self.stage1_D = layers.UpscaleBlock(hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=scale)
+        self.stage1_Y = layers.UpscaleBlock(hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=scale)
+        self.stage2_S = layers.UpscaleBlock(hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=1)
+        self.stage2_D = layers.UpscaleBlock(hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=1)
+        self.stage2_Y = layers.UpscaleBlock(hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=1)
+
+    def forward(self, x, config=None):
+        b,c,h,w = x.shape
+        x = x.reshape(b*c, 1, h, w)
+        output = 0.0
+        output += self.forward_stage(x, self._extract_pattern_S, self.stage1_S)
+        output += self.forward_stage(x, self._extract_pattern_D, self.stage1_D)
+        output += self.forward_stage(x, self._extract_pattern_Y, self.stage1_Y)
+        output /= 3
+        x = output
+        output = 0.0
+        output += self.forward_stage(x, self._extract_pattern_S, self.stage2_S)
+        output += self.forward_stage(x, self._extract_pattern_D, self.stage2_D)
+        output += self.forward_stage(x, self._extract_pattern_Y, self.stage2_Y)
+        output /= 3
+        x = (output + x)/2
+        x = x.reshape(b, c, h*self.scale, w*self.scale)
+        return x
+
+    def get_lut_model(self, quantization_interval=16, batch_size=2**10):
+        stage1_S = lut.transfer_2x2_input_SxS_output(self.stage1_S, quantization_interval=quantization_interval, batch_size=batch_size)
+        stage1_D = lut.transfer_2x2_input_SxS_output(self.stage1_D, quantization_interval=quantization_interval, batch_size=batch_size)
+        stage1_Y = lut.transfer_2x2_input_SxS_output(self.stage1_Y, quantization_interval=quantization_interval, batch_size=batch_size)
+        stage2_S = lut.transfer_2x2_input_SxS_output(self.stage2_S, quantization_interval=quantization_interval, batch_size=batch_size)
+        stage2_D = lut.transfer_2x2_input_SxS_output(self.stage2_D, quantization_interval=quantization_interval, batch_size=batch_size)
+        stage2_Y = lut.transfer_2x2_input_SxS_output(self.stage2_Y, quantization_interval=quantization_interval, batch_size=batch_size)
+        lut_model = sdylut.SDYLutx2.init_from_numpy(stage1_S, stage1_D, stage1_Y, stage2_S, stage2_D, stage2_Y)
+        return lut_model
+
+    def get_loss_fn(self):
+        def loss_fn(pred, target):
+            return F.mse_loss(pred/255, target/255)
+        return loss_fn
+
 class SDYNetx3(SRNetBase):
     def __init__(self, hidden_dim = 64, layers_count = 4, scale = 4):
         super(SDYNetx3, self).__init__()
@@ -151,7 +199,7 @@ class SDYNetx3(SRNetBase):
             return F.mse_loss(pred/255, target/255)
         return loss_fn
 
-class SDYNetR90x1(nn.Module):
+class SDYNetR90x1(SRNetBase):
     def __init__(self, hidden_dim = 64, layers_count = 4, scale = 4):
         super(SDYNetR90x1, self).__init__()
         self.scale = scale   
@@ -162,16 +210,6 @@ class SDYNetR90x1(nn.Module):
         self.stage1_D = layers.UpscaleBlock(hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=scale)
         self.stage1_Y = layers.UpscaleBlock(hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=scale)
 
-    def forward_stage(self, x, scale, percieve_pattern, stage):
-        b,c,h,w = x.shape
-        x = percieve_pattern(x)   
-        x = stage(x)
-        x = round_func(x)
-        x = x.reshape(b, c, h, w, scale, scale)
-        x = x.permute(0,1,2,4,3,5)
-        x = x.reshape(b, c, h*scale, w*scale)
-        return x
-
     def forward(self, x, config=None):
         b,c,h,w = x.shape
         x = x.reshape(b*c, 1, h, w)
@@ -219,10 +257,7 @@ class SDYNetR90x2(SRNetBase):
         b,c,h,w = x.shape
         x = x.view(b*c, 1, h, w)
         output_1 = torch.zeros([b*c, 1, h, w], dtype=x.dtype, device=x.device)
-        output_1 += self.forward_stage(x, 1, self._extract_pattern_S, self.stage1_S)
-        output_1 += self.forward_stage(x, 1, self._extract_pattern_D, self.stage1_D)
-        output_1 += self.forward_stage(x, 1, self._extract_pattern_Y, self.stage1_Y)
-        for rotations_count in range(1,4):
+        for rotations_count in range(4):
             rotated = torch.rot90(x, k=rotations_count, dims=[-2, -1])
             output_1 += torch.rot90(self.forward_stage(rotated, 1, self._extract_pattern_S, self.stage1_S), k=-rotations_count, dims=[-2, -1])
             output_1 += torch.rot90(self.forward_stage(rotated, 1, self._extract_pattern_D, self.stage1_D), k=-rotations_count, dims=[-2, -1])
@@ -230,10 +265,7 @@ class SDYNetR90x2(SRNetBase):
         output_1 /= 4*3
         x = output_1
         output_2 = torch.zeros([b*c, 1, h*self.scale, w*self.scale], dtype=x.dtype, device=x.device)
-        output_2 += self.forward_stage(x, self.scale, self._extract_pattern_S, self.stage2_S)
-        output_2 += self.forward_stage(x, self.scale, self._extract_pattern_D, self.stage2_D)
-        output_2 += self.forward_stage(x, self.scale, self._extract_pattern_Y, self.stage2_Y)
-        for rotations_count in range(1,4):
+        for rotations_count in range(4):
             rotated = torch.rot90(x, k=rotations_count, dims=[-2, -1])
             output_2 += torch.rot90(self.forward_stage(rotated, self.scale, self._extract_pattern_S, self.stage2_S), k=-rotations_count, dims=[-2, -1])
             output_2 += torch.rot90(self.forward_stage(rotated, self.scale, self._extract_pattern_D, self.stage2_D), k=-rotations_count, dims=[-2, -1])
@@ -257,3 +289,249 @@ class SDYNetR90x2(SRNetBase):
         def loss_fn(pred, target):
             return F.mse_loss(pred/255, target/255)
         return loss_fn
+
+class SDYEHONetR90x1(SRNetBase):
+    def __init__(self, hidden_dim = 64, layers_count = 4, scale = 4):
+        super(SDYEHONetR90x1, self).__init__()
+        self.scale = scale   
+        self._extract_pattern_S = layers.PercievePattern(receptive_field_idxes=[[0,0],[0,1],[1,0],[1,1]], center=[0,0], window_size=2)
+        self._extract_pattern_D = layers.PercievePattern(receptive_field_idxes=[[0,0],[2,0],[0,2],[2,2]], center=[0,0], window_size=3)
+        self._extract_pattern_Y = layers.PercievePattern(receptive_field_idxes=[[0,0],[1,1],[1,2],[2,1]], center=[0,0], window_size=3)
+        self._extract_pattern_E = layers.PercievePattern(receptive_field_idxes=[[0,0],[3,0],[0,3],[3,3]], center=[0,0], window_size=4)
+        self._extract_pattern_H = layers.PercievePattern(receptive_field_idxes=[[0,0],[2,2],[2,3],[3,2]], center=[0,0], window_size=4)
+        self._extract_pattern_O = layers.PercievePattern(receptive_field_idxes=[[0,0],[3,1],[2,2],[1,3]], center=[0,0], window_size=4)
+
+        self.stage1_S = layers.UpscaleBlock(hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=scale)
+        self.stage1_D = layers.UpscaleBlock(hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=scale)
+        self.stage1_Y = layers.UpscaleBlock(hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=scale)
+        self.stage1_E = layers.UpscaleBlock(hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=scale)
+        self.stage1_H = layers.UpscaleBlock(hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=scale)
+        self.stage1_O = layers.UpscaleBlock(hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=scale)
+
+    def forward(self, x, config=None):
+        b,c,h,w = x.shape
+        x = x.view(b*c, 1, h, w)
+        output_1 = torch.zeros([b*c, 1, h*self.scale, w*self.scale], dtype=x.dtype, device=x.device)
+        for rotations_count in range(4):
+            rotated = torch.rot90(x, k=rotations_count, dims=[-2, -1])
+            output_1 += torch.rot90(self.forward_stage(rotated, self.scale, self._extract_pattern_S, self.stage1_S), k=-rotations_count, dims=[-2, -1])
+            output_1 += torch.rot90(self.forward_stage(rotated, self.scale, self._extract_pattern_D, self.stage1_D), k=-rotations_count, dims=[-2, -1])
+            output_1 += torch.rot90(self.forward_stage(rotated, self.scale, self._extract_pattern_Y, self.stage1_Y), k=-rotations_count, dims=[-2, -1])              
+            output_1 += torch.rot90(self.forward_stage(rotated, self.scale, self._extract_pattern_E, self.stage1_E), k=-rotations_count, dims=[-2, -1])              
+            output_1 += torch.rot90(self.forward_stage(rotated, self.scale, self._extract_pattern_H, self.stage1_H), k=-rotations_count, dims=[-2, -1])              
+            output_1 += torch.rot90(self.forward_stage(rotated, self.scale, self._extract_pattern_O, self.stage1_O), k=-rotations_count, dims=[-2, -1])              
+        output_1 /= 4*6
+        x = output_1
+        x = x.view(b, c, h*self.scale, w*self.scale)
+        return x
+
+    def get_lut_model(self, quantization_interval=16, batch_size=2**10):
+        raise NotImplementedError
+
+    def get_loss_fn(self):
+        def loss_fn(pred, target):
+            return F.mse_loss(pred/255, target/255)
+        return loss_fn        
+
+
+class SDYEHONetR90x2(SRNetBase):
+    def __init__(self, hidden_dim = 64, layers_count = 4, scale = 4):
+        super(SDYEHONetR90x2, self).__init__()
+        self.scale = scale   
+        self._extract_pattern_S = layers.PercievePattern(receptive_field_idxes=[[0,0],[0,1],[1,0],[1,1]], center=[0,0], window_size=2)
+        self._extract_pattern_D = layers.PercievePattern(receptive_field_idxes=[[0,0],[2,0],[0,2],[2,2]], center=[0,0], window_size=3)
+        self._extract_pattern_Y = layers.PercievePattern(receptive_field_idxes=[[0,0],[1,1],[1,2],[2,1]], center=[0,0], window_size=3)
+        self._extract_pattern_E = layers.PercievePattern(receptive_field_idxes=[[0,0],[3,0],[0,3],[3,3]], center=[0,0], window_size=4)
+        self._extract_pattern_H = layers.PercievePattern(receptive_field_idxes=[[0,0],[2,2],[2,3],[3,2]], center=[0,0], window_size=4)
+        self._extract_pattern_O = layers.PercievePattern(receptive_field_idxes=[[0,0],[3,1],[2,2],[1,3]], center=[0,0], window_size=4)
+
+        self.stage1_S = layers.UpscaleBlock(hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=1)
+        self.stage1_D = layers.UpscaleBlock(hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=1)
+        self.stage1_Y = layers.UpscaleBlock(hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=1)
+        self.stage1_E = layers.UpscaleBlock(hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=1)
+        self.stage1_H = layers.UpscaleBlock(hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=1)
+        self.stage1_O = layers.UpscaleBlock(hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=1)
+
+        self.stage2_S = layers.UpscaleBlock(hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=scale)
+        self.stage2_D = layers.UpscaleBlock(hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=scale)
+        self.stage2_Y = layers.UpscaleBlock(hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=scale)
+        self.stage2_E = layers.UpscaleBlock(hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=scale)
+        self.stage2_H = layers.UpscaleBlock(hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=scale)
+        self.stage2_O = layers.UpscaleBlock(hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=scale)
+
+    def forward(self, x, config=None):
+        b,c,h,w = x.shape
+        x = x.view(b*c, 1, h, w)
+        output_1 = torch.zeros([b*c, 1, h, w], dtype=x.dtype, device=x.device)
+        for rotations_count in range(4):
+            rotated = torch.rot90(x, k=rotations_count, dims=[-2, -1])
+            output_1 += torch.rot90(self.forward_stage(rotated, 1, self._extract_pattern_S, self.stage1_S), k=-rotations_count, dims=[-2, -1])
+            output_1 += torch.rot90(self.forward_stage(rotated, 1, self._extract_pattern_D, self.stage1_D), k=-rotations_count, dims=[-2, -1])
+            output_1 += torch.rot90(self.forward_stage(rotated, 1, self._extract_pattern_Y, self.stage1_Y), k=-rotations_count, dims=[-2, -1])              
+            output_1 += torch.rot90(self.forward_stage(rotated, 1, self._extract_pattern_E, self.stage1_E), k=-rotations_count, dims=[-2, -1])              
+            output_1 += torch.rot90(self.forward_stage(rotated, 1, self._extract_pattern_H, self.stage1_H), k=-rotations_count, dims=[-2, -1])              
+            output_1 += torch.rot90(self.forward_stage(rotated, 1, self._extract_pattern_O, self.stage1_O), k=-rotations_count, dims=[-2, -1])              
+        output_1 /= 4*6
+        x = output_1
+        output_2 = torch.zeros([b*c, 1, h*self.scale, w*self.scale], dtype=x.dtype, device=x.device)
+        for rotations_count in range(4):
+            rotated = torch.rot90(x, k=rotations_count, dims=[-2, -1])
+            output_2 += torch.rot90(self.forward_stage(rotated, self.scale, self._extract_pattern_S, self.stage2_S), k=-rotations_count, dims=[-2, -1])
+            output_2 += torch.rot90(self.forward_stage(rotated, self.scale, self._extract_pattern_D, self.stage2_D), k=-rotations_count, dims=[-2, -1])
+            output_2 += torch.rot90(self.forward_stage(rotated, self.scale, self._extract_pattern_Y, self.stage2_Y), k=-rotations_count, dims=[-2, -1])
+            output_2 += torch.rot90(self.forward_stage(rotated, self.scale, self._extract_pattern_E, self.stage2_E), k=-rotations_count, dims=[-2, -1])
+            output_2 += torch.rot90(self.forward_stage(rotated, self.scale, self._extract_pattern_H, self.stage2_H), k=-rotations_count, dims=[-2, -1])
+            output_2 += torch.rot90(self.forward_stage(rotated, self.scale, self._extract_pattern_O, self.stage2_O), k=-rotations_count, dims=[-2, -1])
+        output_2 /= 4*6
+        x = output_2
+        x = x.view(b, c, h*self.scale, w*self.scale)
+        return x
+
+    def get_lut_model(self, quantization_interval=16, batch_size=2**10):
+        raise NotImplementedError
+
+    def get_loss_fn(self):
+        def loss_fn(pred, target):
+            return F.mse_loss(pred/255, target/255)
+        return loss_fn        
+
+
+
+class SDYMixNetx1(SRNetBase):
+    def __init__(self, hidden_dim = 64, layers_count = 4, scale = 4):
+        super(SDYMixNetx1, self).__init__()
+        self.scale = scale   
+        self._extract_pattern_1 = layers.PercievePattern(receptive_field_idxes=[[1,1],[1,2],[2,1],[2,2]], center=[1,1], window_size=4)
+        self._extract_pattern_2 = layers.PercievePattern(receptive_field_idxes=[[1,1],[1,3],[3,1],[3,3]], center=[1,1], window_size=4)
+        self._extract_pattern_3 = layers.PercievePattern(receptive_field_idxes=[[1,1],[2,2],[3,2],[2,3]], center=[1,1], window_size=4)
+        self._extract_pattern_4 = layers.PercievePattern(receptive_field_idxes=[[1,1],[0,0],[0,1],[1,0]], center=[1,1], window_size=4)
+        self._extract_pattern_5 = layers.PercievePattern(receptive_field_idxes=[[1,1],[0,2],[0,3]], center=[1,1], window_size=4)
+        self._extract_pattern_6 = layers.PercievePattern(receptive_field_idxes=[[1,1],[2,0],[3,0]], center=[1,1], window_size=4)
+        
+        self.stage1_1 = layers.UpscaleBlock(in_features=4, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=1)
+        self.stage1_2 = layers.UpscaleBlock(in_features=4, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=1)
+        self.stage1_3 = layers.UpscaleBlock(in_features=4, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=1)
+        self.stage1_4 = layers.UpscaleBlock(in_features=4, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=1)
+        self.stage1_5 = layers.UpscaleBlock(in_features=3, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=1)
+        self.stage1_6 = layers.UpscaleBlock(in_features=3, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=1)
+        
+        self.stage1_Mix = layers.UpscaleBlockChebyKAN(in_features=6, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=scale)
+
+    def forward(self, x, config=None):
+        b,c,h,w = x.shape
+        x = x.reshape(b*c, 1, h, w)
+        output = self.forward_stage(x, self._extract_pattern_1, self.stage1_1)
+        output = torch.cat([output, self.forward_stage(x, self._extract_pattern_2, self.stage1_2)], dim=1)
+        output = torch.cat([output, self.forward_stage(x, self._extract_pattern_3, self.stage1_3)], dim=1)
+        output = torch.cat([output, self.forward_stage(x, self._extract_pattern_4, self.stage1_4)], dim=1)
+        output = torch.cat([output, self.forward_stage(x, self._extract_pattern_5, self.stage1_5)], dim=1)
+        output = torch.cat([output, self.forward_stage(x, self._extract_pattern_6, self.stage1_6)], dim=1)
+        output = output.permute(0, 2, 3, 1).view(b, h*w, 6)
+        output = self.stage1_Mix(output)
+        output = output.view(b, 1, h, w, self.scale, self.scale).permute(0,1,2,4,3,5)
+        x = output
+        x = x.reshape(b, c, h*self.scale, w*self.scale)
+        return x
+
+    def get_loss_fn(self):
+        def loss_fn(pred, target):
+            return F.mse_loss(pred/255, target/255)
+        return loss_fn
+
+class SDYMixNetx1v2(SRNetBase):
+    """
+    22			
+    12	23	32	21
+    11	13	33	31
+    10	14	34	30
+    01	03	43	41
+    00	04	44	40
+    """
+    def __init__(self, hidden_dim = 64, layers_count = 4, scale = 4):
+        super(SDYMixNetx1v2, self).__init__()
+        self.scale = scale   
+        self._extract_pattern_1 = layers.PercievePattern(receptive_field_idxes=[[2,2]], center=[2,2], window_size=5)
+        self._extract_pattern_2 = layers.PercievePattern(receptive_field_idxes=[[1,2],[2,3],[3,2],[2,1]], center=[2,2], window_size=5)
+        self._extract_pattern_3 = layers.PercievePattern(receptive_field_idxes=[[1,1],[1,3],[3,3],[3,1]], center=[2,2], window_size=5)
+        self._extract_pattern_4 = layers.PercievePattern(receptive_field_idxes=[[1,0],[1,4],[3,4],[3,0]], center=[2,2], window_size=5)
+        self._extract_pattern_5 = layers.PercievePattern(receptive_field_idxes=[[0,1],[0,3],[4,3],[4,1]], center=[2,2], window_size=5)
+        self._extract_pattern_6 = layers.PercievePattern(receptive_field_idxes=[[0,0],[0,4],[4,4],[4,0]], center=[2,2], window_size=5)
+        
+        self.stage1_1 = layers.UpscaleBlock(in_features=1, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=1)
+        self.stage1_2 = layers.UpscaleBlock(in_features=4, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=1)
+        self.stage1_3 = layers.UpscaleBlock(in_features=4, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=1)
+        self.stage1_4 = layers.UpscaleBlock(in_features=4, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=1)
+        self.stage1_5 = layers.UpscaleBlock(in_features=4, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=1)
+        self.stage1_6 = layers.UpscaleBlock(in_features=4, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=1)
+        
+        self.stage1_Mix = layers.UpscaleBlockChebyKAN(in_features=6, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=scale)
+
+    def forward(self, x, config=None):
+        b,c,h,w = x.shape
+        x = x.reshape(b*c, 1, h, w)
+        output = self.forward_stage(x, self._extract_pattern_1, self.stage1_1)
+        output = torch.cat([output, self.forward_stage(x, self._extract_pattern_2, self.stage1_2)], dim=1)
+        output = torch.cat([output, self.forward_stage(x, self._extract_pattern_3, self.stage1_3)], dim=1)
+        output = torch.cat([output, self.forward_stage(x, self._extract_pattern_4, self.stage1_4)], dim=1)
+        output = torch.cat([output, self.forward_stage(x, self._extract_pattern_5, self.stage1_5)], dim=1)
+        output = torch.cat([output, self.forward_stage(x, self._extract_pattern_6, self.stage1_6)], dim=1)
+        output = output.permute(0, 2, 3, 1).view(b, h*w, 6)
+        output = self.stage1_Mix(output)
+        output = output.view(b, 1, h, w, self.scale, self.scale).permute(0,1,2,4,3,5)
+        x = output
+        x = x.reshape(b, c, h*self.scale, w*self.scale)
+        return x
+
+    def get_loss_fn(self):
+        def loss_fn(pred, target):
+            return F.mse_loss(pred/255, target/255)
+        return loss_fn
+
+class SDYMixNetx1v3(SRNetBase):
+    """
+    22			
+    12	23	32	21
+    11	13	33	31
+    10	14	34	30
+    01	03	43	41
+    00	04	44	40
+    """
+    def __init__(self, hidden_dim = 64, layers_count = 4, scale = 4):
+        super(SDYMixNetx1v3, self).__init__()
+        self.scale = scale   
+        self._extract_pattern_0 = layers.PercievePattern(receptive_field_idxes=[[0,0]], center=[0,0], window_size=1, channels=6)
+
+        self._extract_pattern_1 = layers.PercievePattern(receptive_field_idxes=[[2,2]], center=[2,2], window_size=5)
+        self._extract_pattern_2 = layers.PercievePattern(receptive_field_idxes=[[1,2],[2,3],[3,2],[2,1]], center=[2,2], window_size=5)
+        self._extract_pattern_3 = layers.PercievePattern(receptive_field_idxes=[[1,1],[1,3],[3,3],[3,1]], center=[2,2], window_size=5)
+        self._extract_pattern_4 = layers.PercievePattern(receptive_field_idxes=[[1,0],[1,4],[3,4],[3,0]], center=[2,2], window_size=5)
+        self._extract_pattern_5 = layers.PercievePattern(receptive_field_idxes=[[0,1],[0,3],[4,3],[4,1]], center=[2,2], window_size=5)
+        self._extract_pattern_6 = layers.PercievePattern(receptive_field_idxes=[[0,0],[0,4],[4,4],[4,0]], center=[2,2], window_size=5)
+        
+        self.stage1_1 = layers.UpscaleBlock(in_features=1, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=scale)
+        self.stage1_2 = layers.UpscaleBlock(in_features=4, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=scale)
+        self.stage1_3 = layers.UpscaleBlock(in_features=4, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=scale)
+        self.stage1_4 = layers.UpscaleBlock(in_features=4, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=scale)
+        self.stage1_5 = layers.UpscaleBlock(in_features=4, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=scale)
+        self.stage1_6 = layers.UpscaleBlock(in_features=4, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=scale)
+        
+        self.stage1_Mix = layers.UpscaleBlockChebyKAN(in_features=6, hidden_dim=hidden_dim, layers_count=layers_count, upscale_factor=1)
+
+    def forward(self, x, config=None):
+        b,c,h,w = x.shape
+        x = x.reshape(b*c, 1, h, w)
+        output = self.forward_stage(x, self._extract_pattern_1, self.stage1_1)
+        output = torch.cat([output, self.forward_stage(x, self._extract_pattern_2, self.stage1_2)], dim=1)
+        output = torch.cat([output, self.forward_stage(x, self._extract_pattern_3, self.stage1_3)], dim=1)
+        output = torch.cat([output, self.forward_stage(x, self._extract_pattern_4, self.stage1_4)], dim=1)
+        output = torch.cat([output, self.forward_stage(x, self._extract_pattern_5, self.stage1_5)], dim=1)
+        output = torch.cat([output, self.forward_stage(x, self._extract_pattern_6, self.stage1_6)], dim=1)
+        output = self.forward_stage(output, self._extract_pattern_0, self.stage1_Mix)
+        x = output
+        x = x.reshape(b, c, h*self.scale, w*self.scale)
+        return x
+
+    def get_loss_fn(self):
+        def loss_fn(pred, target):
+            return F.mse_loss(pred/255, target/255)
+        return loss_fn

src/models/srnet.py

@@ -24,7 +24,7 @@ class SRNet(SRNetBase):
     def forward(self, x, config=None):
         b,c,h,w = x.shape
         x = x.reshape(b*c, 1, h, w)
-        x = self.forward_stage(x, self.scale, self._extract_pattern_S, self.stage1_S)
+        x = self.forward_stage(x, self._extract_pattern_S, self.stage1_S)
         x = x.reshape(b, c, h*self.scale, w*self.scale)
         return x
 
@@ -48,7 +48,7 @@ class SRNetChebyKan(SRNetBase):
     def forward(self, x, config=None):
         b,c,h,w = x.shape
         x = x.reshape(b*c, 1, h, w)
-        x = self.forward_stage(x, self.scale, self._extract_pattern_S, self.stage1_S)
+        x = self.forward_stage(x, self._extract_pattern_S, self.stage1_S)
         x = x.reshape(b, c, h*self.scale, w*self.scale)
         return x
 
@@ -79,7 +79,7 @@ class SRNetY(SRNetBase):
         cbcr_scaled = F.interpolate(cbcr, size=[h*self.scale, w*self.scale], mode='bilinear')
 
         x = y.view(b, 1, h, w)
-        output = self.forward_stage(x, self.scale, self._extract_pattern_S, self.stage1_S)
+        output = self.forward_stage(x, self._extract_pattern_S, self.stage1_S)
         output = torch.cat([output, cbcr_scaled], dim=1)
         output = self.ycbcr_to_rgb(output).clamp(0, 255)       
         return output
@@ -107,7 +107,7 @@ class SRNetR90(SRNetBase):
         output = torch.zeros([b*c, 1, h*self.scale, w*self.scale], dtype=x.dtype, device=x.device)
         for rotations_count in range(4):
             rotated = torch.rot90(x, k=rotations_count, dims=[2, 3])
-            output += torch.rot90(self.forward_stage(rotated, self.scale, self._extract_pattern_S, self.stage1_S), k=-rotations_count, dims=[2, 3])
+            output += torch.rot90(self.forward_stage(rotated, self._extract_pattern_S, self.stage1_S), k=-rotations_count, dims=[2, 3])
         output /= 4
         output = output.reshape(b, c, h*self.scale, w*self.scale)
         return output
@@ -134,7 +134,7 @@ class SRNetChebyKanR90(SRNetBase):
         output = torch.zeros([b*c, 1, h*self.scale, w*self.scale], dtype=x.dtype, device=x.device)
         for rotations_count in range(4):
             rotated = torch.rot90(x, k=rotations_count, dims=[2, 3])
-            output += torch.rot90(self.forward_stage(rotated, self.scale, self._extract_pattern_S, self.stage1_S), k=-rotations_count, dims=[2, 3])
+            output += torch.rot90(self.forward_stage(rotated, self._extract_pattern_S, self.stage1_S), k=-rotations_count, dims=[2, 3])
         output /= 4
         output = output.reshape(b, c, h*self.scale, w*self.scale)
         return output
@@ -169,7 +169,7 @@ class SRNetR90Y(SRNetBase):
         output = torch.zeros([b, 1, h*self.scale, w*self.scale], dtype=x.dtype, device=x.device)
         for rotations_count in range(4):
             rotated = torch.rot90(x, k=rotations_count, dims=[2, 3])
-            output += torch.rot90(self.forward_stage(rotated, self.scale, self._extract_pattern_S, self.stage1_S), k=-rotations_count, dims=[2, 3])
+            output += torch.rot90(self.forward_stage(rotated, self._extract_pattern_S, self.stage1_S), k=-rotations_count, dims=[2, 3])
         output /= 4
         output = torch.cat([output, cbcr_scaled], dim=1)
         output = self.ycbcr_to_rgb(output).clamp(0, 255)       
@@ -205,7 +205,7 @@ class SRNetR90Ycbcr(SRNetBase):
         output = torch.zeros([b, 1, h*self.scale, w*self.scale], dtype=x.dtype, device=x.device)
         for rotations_count in range(4):
             rotated = torch.rot90(x, k=rotations_count, dims=[2, 3])
-            output += torch.rot90(self.forward_stage(rotated, self.scale, self._extract_pattern_S, self.stage1_S), k=-rotations_count, dims=[2, 3])
+            output += torch.rot90(self.forward_stage(rotated, self._extract_pattern_S, self.stage1_S), k=-rotations_count, dims=[2, 3])
         output /= 4
         output = torch.cat([output, cbcr_scaled], dim=1).clamp(0, 255)
         return output
@@ -248,8 +248,8 @@ class SRMsbLsbNet(SRNetBase):
         lsb = x % 16
         msb = x - lsb
 
-        output_msb = self.forward_stage(msb, self.scale, self._extract_pattern_S, self.msb_fn)           
-        output_lsb = self.forward_stage(lsb, self.scale, self._extract_pattern_S, self.lsb_fn)
+        output_msb = self.forward_stage(msb, self._extract_pattern_S, self.msb_fn)           
+        output_lsb = self.forward_stage(lsb, self._extract_pattern_S, self.lsb_fn)
 
         if not config is None and config.current_iter % config.display_step == 0:
             config.writer.add_histogram('output_lsb', output_lsb.detach().cpu().numpy(), config.current_iter)
@@ -262,6 +262,53 @@ class SRMsbLsbNet(SRNetBase):
         raise NotImplementedError
 
 
+class SRMsbLsbNetChebyKAN(SRNetBase):
+    def __init__(self, hidden_dim = 64, layers_count = 4, scale = 4):
+        super(SRMsbLsbNetChebyKAN, self).__init__()
+        self.scale = scale 
+        self.hidden_dim = hidden_dim
+        self.layers_count = layers_count
+
+        self.msb_fn = layers.UpscaleBlockChebyKAN(
+            in_features=4,
+            hidden_dim=hidden_dim,
+            layers_count=layers_count,
+            upscale_factor=self.scale,
+            input_max_value=255,
+            output_max_value=255
+        )
+        self.lsb_fn = layers.UpscaleBlockChebyKAN(
+            in_features=4,
+            hidden_dim=hidden_dim,
+            layers_count=layers_count,
+            upscale_factor=self.scale,
+            input_max_value=15,
+            output_max_value=255
+        )
+        self._extract_pattern_S = layers.PercievePattern(receptive_field_idxes=[[0,0],[0,1],[1,0],[1,1]], center=[0,0], window_size=2)
+            
+    def forward(self, x, config=None):
+        b,c,h,w = x.shape
+        x = x.reshape(b*c, 1, h, w)
+
+        lsb = x % 16
+        msb = x - lsb
+
+        output_msb = self.forward_stage(msb, self._extract_pattern_S, self.msb_fn)           
+        output_lsb = self.forward_stage(lsb, self._extract_pattern_S, self.lsb_fn)
+
+        if not config is None and config.current_iter % config.display_step == 0:
+            config.writer.add_histogram('output_lsb', output_lsb.detach().cpu().numpy(), config.current_iter)
+            config.writer.add_histogram('output_msb', output_msb.detach().cpu().numpy(), config.current_iter)
+        x = output_msb + output_lsb
+        x = x.reshape(b, c, h*self.scale, w*self.scale)
+        return x
+
+    def get_lut_model(self, quantization_interval=16, batch_size=2**10):
+        raise NotImplementedError
+
+
+
 class SRMsbLsbShiftNet(SRNetBase):
     def __init__(self, hidden_dim = 64, layers_count = 4, scale = 4):
         super(SRMsbLsbShiftNet, self).__init__()
@@ -316,6 +363,59 @@ class SRMsbLsbShiftNet(SRNetBase):
         raise NotImplementedError
 
 
+class SRMsbLsbCenterShiftNet(SRNetBase):
+    def __init__(self, hidden_dim = 64, layers_count = 4, scale = 4, count = 4):
+        super(SRMsbLsbCenterShiftNet, self).__init__()
+        self.scale = scale 
+        self.hidden_dim = hidden_dim
+        self.layers_count = layers_count
+        self.count = count
+        self.msb_fns = nn.ModuleList([layers.UpscaleBlock(
+            in_features=4,
+            hidden_dim=hidden_dim,
+            layers_count=layers_count,
+            upscale_factor=self.scale,
+            input_max_value=255,
+            output_max_value=255
+        ) for x in range(self.count)])
+        self.lsb_fns = nn.ModuleList([layers.UpscaleBlock(
+            in_features=4,
+            hidden_dim=hidden_dim,
+            layers_count=layers_count,
+            upscale_factor=self.scale,
+            input_max_value=15,
+            output_max_value=255
+        ) for x in range(self.count)])
+        self._extract_pattern_S = layers.PercievePattern(receptive_field_idxes=[[0,0],[0,1],[1,0],[1,1]], center=[0,0], window_size=2)
+
+    def forward(self, x, config=None):
+        b,c,h,w = x.shape
+        x = x.reshape(b*c, 1, h, w)
+
+        lsb = x % 16
+        msb = x - lsb
+
+        output_msb = torch.zeros([b*c, 1, h*self.scale, w*self.scale], dtype=x.dtype, device=x.device)
+        output_lsb = torch.zeros([b*c, 1, h*self.scale, w*self.scale], dtype=x.dtype, device=x.device)
+        for (i,j), msb_fn, lsb_fn in zip([[-2,-2],[-2,2],[2,-2],[2,2]], self.msb_fns, self.lsb_fns):
+            output_msb_s = self.forward_stage(msb, self.scale, self._extract_pattern_S, msb_fn)
+            output_lsb_s = self.forward_stage(lsb, self.scale, self._extract_pattern_S, lsb_fn)
+            output_msb += torch.nn.functional.pad(output_msb_s, [2, 2, 2, 2], mode='replicate')[:,:,2+i:2+i+h*self.scale,2+j:2+j+w*self.scale]
+            output_lsb += torch.nn.functional.pad(output_lsb_s, [2, 2, 2, 2], mode='replicate')[:,:,2+i:2+i+h*self.scale,2+j:2+j+w*self.scale]
+        output_msb /= self.count
+        output_lsb /= self.count
+
+        if not config is None and config.current_iter % config.display_step == 0:
+            config.writer.add_histogram('output_lsb', output_lsb.detach().cpu().numpy(), config.current_iter)
+            config.writer.add_histogram('output_msb', output_msb.detach().cpu().numpy(), config.current_iter)
+
+        x = output_msb + output_lsb
+        x = x.reshape(b, c, h*self.scale, w*self.scale)
+        return x
+
+    def get_lut_model(self, quantization_interval=16, batch_size=2**10):
+        raise NotImplementedError
+
 class SRMsbLsbR90Net(SRNetBase):
     def __init__(self, hidden_dim = 64, layers_count = 4, scale = 4):
         super(SRMsbLsbR90Net, self).__init__()

src/test.py

@@ -24,27 +24,29 @@ import argparse
 class TestOptions():
     def __init__(self):
         self.parser = argparse.ArgumentParser(formatter_class=argparse.ArgumentDefaultsHelpFormatter)
-        self.parser.add_argument('--model_path', type=str, default="../models/last.pth", help="Model path.")
+        self.parser.add_argument('--model_path', type=str, default="../experiments/last.pth", help="Model path.")
         self.parser.add_argument('--datasets_dir', type=str, default="../data/", help="Path to datasets.")
         self.parser.add_argument('--test_datasets', type=str, default='Set5,Set14', help="Names of test datasets.")        
         self.parser.add_argument('--save_predictions', action='store_true', default=False, help='Save model predictions to exp_dir/val/dataset_name')
         self.parser.add_argument('--device', type=str, default='cuda', help='Device of the model')
         self.parser.add_argument('--color_model', type=str, default="RGB", help="Color model for train and test dataset.") 
-        self.parser.add_argument('--progress', type=bool, default=True, help='Show progres bar')
+        self.parser.add_argument('--print_progress', type=bool, default=True, help='Show progres bar')
         self.parser.add_argument('--reset_cache', action='store_true', default=False, help='Discard datasets cache')
+        self.parser.add_argument('--test_worker_num', default=1, type=int, help='Test parallelism. Use 1 for time measurement.')
 
     def parse_args(self):         
         args = self.parser.parse_args()
         args.datasets_dir = Path(args.datasets_dir).resolve()
         args.test_datasets = args.test_datasets.split(',')
         args.exp_dir = Path(args.model_path).resolve().parent.parent
+        print(args.exp_dir)
         args.model_path = Path(args.model_path).resolve()
         args.model_name = args.model_path.stem
         args.test_dir = Path(args.exp_dir).resolve() /  'test'
         if not args.test_dir.exists():
             args.test_dir.mkdir()
         args.current_iter = int(args.model_name.split('_')[-1])
-        args.results_path = os.path.join(args.test_dir, f'results_{args.model_name}_{args.device}.csv')
+        args.results_path = os.path.join(args.test_dir, f'results_{args.model_name}_{args.color_model}_{args.device}.csv')
         # Tensorboard for monitoring
         writer = SummaryWriter(log_dir=args.test_dir)
         logger_name = f'test_{args.model_path.stem}'
@@ -90,7 +92,7 @@ if __name__ == "__main__":
             reset_cache=config.reset_cache,
         )
 
-    results = test_steps(model=model, datasets=test_datasets, config=config, log_prefix=f"Model {config.model_name}", print_progress=config.progress,)
+    results = test_steps(model=model, datasets=test_datasets, config=config, log_prefix=f"Model {config.model_name}", print_progress=config.print_progress)
 
     results.to_csv(config.results_path)
     print()

src/train.py

@@ -17,6 +17,7 @@ from common.data import SRTrainDataset, SRTestDataset
 from common.utils import logger_info
 from common.metrics import PSNR, cal_ssim
 from common.color import _rgb2ycbcr, PIL_CONVERT_COLOR
+import yaml
 
 from models import SaveCheckpoint, LoadCheckpoint, AVAILABLE_MODELS
 from common.test import test_steps
@@ -38,20 +39,22 @@ class TrainOptions:
         parser.add_argument('--layers_count', type=int, default=4, help="number of convolutional layers")
         parser.add_argument('--crop_size', type=int, default=48, help='input LR training patch size')
         parser.add_argument('--batch_size', type=int, default=16, help="Batch size for training")
-        parser.add_argument('--models_dir', type=str, default='../models/', help="experiment folder")
+        parser.add_argument('--models_dir', type=str, default='../experiments/', help="experiment folder")
         parser.add_argument('--datasets_dir', type=str, default="../data/")        
         parser.add_argument('--start_iter', type=int, default=0, help='Set 0 for from scratch, else will load saved params and trains further')
         parser.add_argument('--total_iter', type=int, default=200000, help='Total number of training iterations')
         parser.add_argument('--display_step', type=int, default=100, help='display info every N iteration')
         parser.add_argument('--val_step', type=int, default=2000, help='validate every N iteration')
         parser.add_argument('--save_step', type=int, default=2000, help='save models every N iteration')
-        parser.add_argument('--worker_num', '-n', type=int, default=1, help="Number of dataloader workers")
+        parser.add_argument('--loader_worker_num', type=int, default=1, help="Number of dataloader workers")
+        parser.add_argument('--test_worker_num', type=int, default=1, help="Test parallelism. Use 1 for time measurement.")
         parser.add_argument('--prefetch_factor', '-p', type=int, default=16, help="Prefetch factor of dataloader workers.")
         parser.add_argument('--save_predictions', action='store_true', default=True, help='Save model predictions to exp_dir/val/dataset_name')
         parser.add_argument('--device', default='cuda', help='Device of the model')
         parser.add_argument('--quantization_bits', '-q', type=int, default=4, help="Used when model is LUT. Number of 4DLUT buckets defined as 2**bits. Value is in range [1, 8].")  
         parser.add_argument('--color_model', type=str, default="RGB", help=f"Color model for train and test dataset. Choose from: {list(PIL_CONVERT_COLOR.keys())}")
         parser.add_argument('--reset_cache', action='store_true', default=False, help='Discard datasets cache')
+        parser.add_argument('--learning_rate', type=float, default=0.0025, help='Learning rate')
         
         self.parser = parser
 
@@ -66,6 +69,9 @@ class TrainOptions:
             args.start_iter = int(args.model_path.stem.split("_")[-1]) 
         return args
 
+    def save_config(self, config):
+        yaml.dump(config, open(config.exp_dir / "config.yaml", 'w'))
+        
     def __repr__(self):
         config = self.parse_args()
         message = ''
@@ -79,33 +85,37 @@ class TrainOptions:
         message += '----------------- End -------------------'
         return message
 
-def prepare_experiment_folder(config):
-    assert all([name in os.listdir(config.datasets_dir) for name in config.train_datasets]), f"On of the {config.train_datasets} was not found in {config.datasets_dir}."
-    assert all([name in os.listdir(config.datasets_dir) for name in config.test_datasets]), f"On of the {config.test_datasets} was not found in {config.datasets_dir}."
+    def prepare_config(self):
+        config = self.parse_args()
+
+        assert all([name in os.listdir(config.datasets_dir) for name in config.train_datasets]), f"On of the {config.train_datasets} was not found in {config.datasets_dir}."
+        assert all([name in os.listdir(config.datasets_dir) for name in config.test_datasets]), f"On of the {config.test_datasets} was not found in {config.datasets_dir}."
+        
+        config.exp_dir = (config.models_dir / f"{config.model}_{config.color_model}_{'_'.join(config.train_datasets)}_x{config.scale}").resolve()
 
-    config.exp_dir = (config.models_dir / f"{config.model}_{config.color_model}_{'_'.join(config.train_datasets)}_x{config.scale}").resolve()
+        if not config.exp_dir.exists():
+            config.exp_dir.mkdir()
 
-    if not config.exp_dir.exists():
-        config.exp_dir.mkdir()
+        config.checkpoint_dir = (config.exp_dir / "checkpoints").resolve()
+        if not config.checkpoint_dir.exists():
+            config.checkpoint_dir.mkdir()
 
-    config.checkpoint_dir = (config.exp_dir / "checkpoints").resolve()
-    if not config.checkpoint_dir.exists():
-        config.checkpoint_dir.mkdir()
+        config.test_dir = (config.exp_dir /  'val').resolve()
+        if not config.test_dir.exists():
+            config.test_dir.mkdir()
 
-    config.test_dir = (config.exp_dir /  'val').resolve()
-    if not config.test_dir.exists():
-        config.test_dir.mkdir()
+        config.logs_dir = (config.exp_dir /  'logs').resolve()
+        if not config.logs_dir.exists():
+            config.logs_dir.mkdir()
 
-    config.logs_dir = (config.exp_dir /  'logs').resolve()
-    if not config.logs_dir.exists():
-        config.logs_dir.mkdir()
+        return config
 
 if __name__ == "__main__":
     # torch.set_float32_matmul_precision('high')
     script_start_time = datetime.now()
 
     config_inst = TrainOptions()
-    config = config_inst.parse_args()
+    config = config_inst.prepare_config()
 
     if not config.model_path is None:
         model = LoadCheckpoint(config.model_path)
@@ -117,10 +127,10 @@ if __name__ == "__main__":
             model = AVAILABLE_MODELS[config.model]( quantization_interval = 2**(8-config.quantization_bits), scale = config.scale)
     model = model.to(torch.device(config.device))
     # model = torch.compile(model)
-    optimizer = AdamWScheduleFree(model.parameters(), betas=(0.9, 0.95))
+    optimizer = AdamWScheduleFree(model.parameters(), lr=config.learning_rate, betas=(0.9, 0.95))
     print(optimizer)   
 
-    prepare_experiment_folder(config)
+    config_inst.save_config(config)
 
     # Tensorboard for monitoring
     writer = SummaryWriter(log_dir=config.logs_dir)
@@ -147,7 +157,7 @@ if __name__ == "__main__":
     train_loader = DataLoader(
         dataset = train_dataset,
         batch_size = config.batch_size, 
-        num_workers = config.worker_num,
+        num_workers = config.loader_worker_num,
         shuffle = True, 
         drop_last = False, 
         pin_memory = True,
@@ -172,7 +182,7 @@ if __name__ == "__main__":
     i = config.start_iter
     if not config.model_path is None:
         config.current_iter = i            
-        valid_steps(model=model, datasets=test_datasets, config=config, log_prefix=f"Iter {i}")
+        test_steps(model=model, datasets=test_datasets, config=config, log_prefix=f"Iter {i}")
 
     loss_fn = model.get_loss_fn()
     for i in range(config.start_iter + 1, config.total_iter + 1):