feat(model): 重构模型并添加新功能

- 重新组织了模型结构，增加了新的特征融合模块
- 添加了深度可分离卷积块和新的细节特征提取模块
- 更新了数据处理流程，使用了新的数据集路径
- 调整了训练参数，增加了训练轮次和学习率- 优化了损失函数，使用了Huber损失替代MSE损失

.gitignore

@@ -1,2 +1,5 @@
    .idea/
    status.md
+   data/
+   test_img/
+   test_result/

dataprocessing.py

@@ -12,7 +12,7 @@ def get_img_file(file_name):
             if filename.lower().endswith(('.bmp', '.dib', '.png', '.jpg', '.jpeg', '.pbm', '.pgm', '.ppm', '.tif', '.tiff', '.npy')):
                 imagelist.append(os.path.join(parent, filename))
         return imagelist
-    
+
 def rgb2y(img):
     y = img[0:1, :, :] * 0.299000 + img[1:2, :, :] * 0.587000 + img[2:3, :, :] * 0.114000
     return y
@@ -39,16 +39,17 @@ def is_low_contrast(image, fraction_threshold=0.1, lower_percentile=10,
     ratio = (limits[1] - limits[0]) / limits[1]
     return ratio < fraction_threshold
 
-data_name="MSRS_train"
+data_name="YYX_sar_opr_data"
-img_size=128   #patch size
+img_size=256   #patch size
 stride=200     #patch stride
 
-IR_files = sorted(get_img_file(r"MSRS_train/MSRS-main/train/ir"))
+IR_files = sorted(get_img_file(r"/media/star/8TB/whaiDownload/YYX-OPT-SAR-main/SAR_1"))
-VIS_files   = sorted(get_img_file(r"MSRS_train/MSRS-main/train/vi"))
+VIS_files   = sorted(get_img_file(r"/media/star/8TB/whaiDownload/YYX-OPT-SAR-main/OPR_1"))
 
 assert len(IR_files) == len(VIS_files)
-h5f = h5py.File(os.path.join('.\\data',
+h5path= os.path.join('/home/star/whaiDir/PFCFuse/data/',
-                                 data_name+'_imgsize_'+str(img_size)+"_stride_"+str(stride)+'.h5'), 
+                                 data_name+'_imgsize_'+str(img_size)+"_stride_"+str(stride)+'.h5')
+h5f = h5py.File(h5path,
                     'w')
 h5_ir = h5f.create_group('ir_patchs')
 h5_vis = h5f.create_group('vis_patchs')
@@ -57,11 +58,11 @@ for i in tqdm(range(len(IR_files))):
         I_VIS = imread(VIS_files[i]).astype(np.float32).transpose(2,0,1)/255. # [3, H, W] Uint8->float32
         I_VIS = rgb2y(I_VIS) # [1, H, W] Float32
         I_IR = imread(IR_files[i]).astype(np.float32)[None, :, :]/255.  # [1, H, W] Float32
-        
+
-        # crop    
+        # crop
         I_IR_Patch_Group = Im2Patch(I_IR,img_size,stride)
         I_VIS_Patch_Group = Im2Patch(I_VIS, img_size, stride)  # (3, 256, 256, 12)
-        
+
         for ii in range(I_IR_Patch_Group.shape[-1]):
             bad_IR = is_low_contrast(I_IR_Patch_Group[0,:,:,ii])
             bad_VIS = is_low_contrast(I_VIS_Patch_Group[0,:,:,ii])
@@ -72,22 +73,21 @@ for i in tqdm(range(len(IR_files))):
                 avl_IR=avl_IR[None,...]
                 avl_VIS=avl_VIS[None,...]
 
-                h5_ir.create_dataset(str(train_num),     data=avl_IR, 
+                h5_ir.create_dataset(str(train_num),     data=avl_IR,
 	                            dtype=avl_IR.dtype,   shape=avl_IR.shape)
-                h5_vis.create_dataset(str(train_num),    data=avl_VIS, 
+                h5_vis.create_dataset(str(train_num),    data=avl_VIS,
 	                            dtype=avl_VIS.dtype,  shape=avl_VIS.shape)
-                train_num += 1        
+                train_num += 1
 
 h5f.close()
 
-with h5py.File(os.path.join('data',
+with h5py.File(h5path,"r") as f:
-                                 data_name+'_imgsize_'+str(img_size)+"_stride_"+str(stride)+'.h5'),"r") as f:
     for key in f.keys():
-        print(f[key], key, f[key].name) 
+        print(f[key], key, f[key].name)
-    
+
-
+
-    
+
+
 
 
 
-    

net.py

@@ -148,8 +148,28 @@ class PoolMlp(nn.Module):
 #             x = x + self.drop_path(self.token_mixer(self.norm1(x))) # 匹配cddfuse
 #             x = x + self.drop_path(self.poolmlp(self.norm2(x)))
 #         return x
+class DetailFeatureFusion(nn.Module):
+    def __init__(self, num_layers=3):
+        super(DetailFeatureFusion, self).__init__()
+        INNmodules = [DetailNode(useBlock=2) for _ in range(num_layers)]
+        self.net = nn.Sequential(*INNmodules)
+        self.enhancement_module = WTConv2d(32, 32)
 
-class BaseFeatureExtraction(nn.Module):
+    def forward(self, x): # 1 64 128 128
+        z1, z2 = x[:, :x.shape[1] // 2], x[:, x.shape[1] // 2:x.shape[1]] # 1 32 128 128
+        # 增强并添加残差连接
+        enhanced_z1 = self.enhancement_module(z1)
+        enhanced_z2 = self.enhancement_module(z2)
+
+        for layer in self.net:
+            z1, z2 = layer(z1, z2)
+
+        # 残差连接
+        z1 = z1 + enhanced_z1
+        z2 = z2 + enhanced_z2
+        return torch.cat((z1, z2), dim=1)
+
+class BaseFeatureFusion(nn.Module):
     def __init__(self, dim, pool_size=3, mlp_ratio=4.,
                  act_layer=nn.GELU,
                  # norm_layer=nn.LayerNorm,
@@ -158,7 +178,6 @@ class BaseFeatureExtraction(nn.Module):
 
         super().__init__()
 
-        self.WTConv2d = WTConv2d(dim, dim)
         self.norm1 = LayerNorm(dim, 'WithBias')
         # self.token_mixer  = SMFA(dim=dim)
         self.token_mixer = SCSA(dim=dim,head_num=8)
@@ -184,7 +203,7 @@ class BaseFeatureExtraction(nn.Module):
     def forward(self, x): # 1 64 128 128
         if self.use_layer_scale:
             #  self.layer_scale_1(64,)
-            wtConvX = self.WTConv2d(x)
+            # wtConvX = self.WTConv2d(x)
 
             tmp1 = self.layer_scale_1.unsqueeze(-1).unsqueeze(-1) # 64 1 1
             normal = self.norm1(x) # 1 64 128 128
@@ -192,16 +211,124 @@ class BaseFeatureExtraction(nn.Module):
 
 
             x = (x +
-                 self.drop_path(
+                 self.drop_path(tmp1 * token_mix)
-                    tmp1 * token_mix
-                 )
                  # 该表达式将 self.layer_scale_1 这个一维张量（或变量）在维度末尾添加两个新的维度，使其从一维变为三维。这通常用于使其能够与三维的特征图进行广播操作，如元素相乘。具体用途可能包括调整卷积层或注意力机制中的权重。
             )
-            pol = self.poolmlp(self.norm2(x))
+            # pol = self.poolmlp(self.norm2(x))
+            #
+            # x = x + self.drop_path(
+            #     self.layer_scale_2.unsqueeze(-1).unsqueeze(-1)
+            #     * pol)
+        else:
+            x = x + self.drop_path(self.token_mixer(self.norm1(x))) # 匹配cddfuse
+            x = x + self.drop_path(self.poolmlp(self.norm2(x)))
+        return x
 
-            x = wtConvX + self.drop_path(
+
-                self.layer_scale_2.unsqueeze(-1).unsqueeze(-1)
+
-                * pol)
+class BaseFeatureExtraction(nn.Module):
+    def __init__(self, dim, pool_size=3, mlp_ratio=4.,
+                 act_layer=nn.GELU,
+                 # norm_layer=nn.LayerNorm,
+                 drop=0., drop_path=0.,
+                 use_layer_scale=True, layer_scale_init_value=1e-5):
+
+        super().__init__()
+
+
+        self.norm1 = LayerNorm(dim, 'WithBias')
+        self.token_mixer = Pooling(kernel_size=pool_size)  # vits是msa，MLPs是mlp，这个用pool来替代
+        self.norm2 = LayerNorm(dim, 'WithBias')
+        mlp_hidden_dim = int(dim * mlp_ratio)
+        self.poolmlp = PoolMlp(in_features=dim, hidden_features=mlp_hidden_dim,
+                               act_layer=act_layer, drop=drop)
+
+        # The following two techniques are useful to train deep PoolFormers.
+        self.drop_path = DropPath(drop_path) if drop_path > 0. \
+            else nn.Identity()
+        self.use_layer_scale = use_layer_scale
+
+        if use_layer_scale:
+            self.layer_scale_1 = nn.Parameter(
+                torch.ones(dim, dtype=torch.float32) * layer_scale_init_value)
+
+            self.layer_scale_2 = nn.Parameter(
+                torch.ones(dim, dtype=torch.float32) * layer_scale_init_value)
+
+    def forward(self, x): # 1 64 128 128
+        if self.use_layer_scale:
+            #  self.layer_scale_1(64,)
+            # wtConvX = self.WTConv2d(x)
+
+            tmp1 = self.layer_scale_1.unsqueeze(-1).unsqueeze(-1)  # 64 1 1
+            normal = self.norm1(x)  # 1 64 128 128
+            token_mix = self.token_mixer(normal)  # 1 64 128 128
+
+            x = (x +
+                 self.drop_path(tmp1 * token_mix)
+                 # 该表达式将 self.layer_scale_1 这个一维张量（或变量）在维度末尾添加两个新的维度，使其从一维变为三维。这通常用于使其能够与三维的特征图进行广播操作，如元素相乘。具体用途可能包括调整卷积层或注意力机制中的权重。
+                 )
+            # pol = self.poolmlp(self.norm2(x))
+            #
+            # x = x + self.drop_path(
+            #     self.layer_scale_2.unsqueeze(-1).unsqueeze(-1)
+            #     * pol)
+        else:
+            x = x + self.drop_path(self.token_mixer(self.norm1(x)))  # 匹配cddfuse
+            x = x + self.drop_path(self.poolmlp(self.norm2(x)))
+        return x
+
+class BaseFeatureExtractionSAR(nn.Module):
+    def __init__(self, dim, pool_size=3, mlp_ratio=4.,
+                 act_layer=nn.GELU,
+                 # norm_layer=nn.LayerNorm,
+                 drop=0., drop_path=0.,
+                 use_layer_scale=True, layer_scale_init_value=1e-5):
+
+        super().__init__()
+
+
+        self.norm1 = LayerNorm(dim, 'WithBias')
+        # self.token_mixer  = SMFA(dim=dim)
+        self.token_mixer = SCSA(dim=dim,head_num=8)
+
+        # self.token_mixer = Pooling(kernel_size=pool_size)  # vits是msa，MLPs是mlp，这个用pool来替代
+        # self.norm2 = LayerNorm(dim, 'WithBias')
+        mlp_hidden_dim = int(dim * mlp_ratio)
+        # self.poolmlp = PoolMlp(in_features=dim, hidden_features=mlp_hidden_dim,
+        #                        act_layer=act_layer, drop=drop)
+
+        # The following two techniques are useful to train deep PoolFormers.
+        self.drop_path = DropPath(drop_path) if drop_path > 0. \
+            else nn.Identity()
+        self.use_layer_scale = use_layer_scale
+
+        if use_layer_scale:
+            self.layer_scale_1 = nn.Parameter(
+                torch.ones(dim, dtype=torch.float32) * layer_scale_init_value)
+
+            self.layer_scale_2 = nn.Parameter(
+                torch.ones(dim, dtype=torch.float32) * layer_scale_init_value)
+
+    def forward(self, x): # 1 64 128 128
+        if self.use_layer_scale:
+            #  self.layer_scale_1(64,)
+            # wtConvX = self.WTConv2d(x)
+
+            tmp1 = self.layer_scale_1.unsqueeze(-1).unsqueeze(-1) # 64 1 1
+            normal = self.norm1(x) # 1 64 128 128
+            token_mix = self.token_mixer(normal) # 1 64 128 128
+
+
+            x = (x +
+                 self.drop_path(tmp1 * token_mix)
+                 # 该表达式将 self.layer_scale_1 这个一维张量（或变量）在维度末尾添加两个新的维度，使其从一维变为三维。这通常用于使其能够与三维的特征图进行广播操作，如元素相乘。具体用途可能包括调整卷积层或注意力机制中的权重。
+            )
+            # pol = self.poolmlp(self.norm2(x))
+            #
+            # x = x + self.drop_path(
+            #     self.layer_scale_2.unsqueeze(-1).unsqueeze(-1)
+            #     * pol)
         else:
             x = x + self.drop_path(self.token_mixer(self.norm1(x))) # 匹配cddfuse
             x = x + self.drop_path(self.poolmlp(self.norm2(x)))
@@ -228,15 +355,41 @@ class InvertedResidualBlock(nn.Module):
     def forward(self, x):
         return self.bottleneckBlock(x)
 
+
+class DepthwiseSeparableConvBlock(nn.Module):
+    def __init__(self, inp, oup, kernel_size=3, stride=1, padding=1):
+        super(DepthwiseSeparableConvBlock, self).__init__()
+        self.depthwise = nn.Conv2d(inp, inp, kernel_size, stride, padding, groups=inp, bias=False)
+        self.pointwise = nn.Conv2d(inp, oup, 1, bias=False)
+        self.bn = nn.BatchNorm2d(oup)
+        self.relu = nn.ReLU(inplace=True)
+
+    def forward(self, x):
+        x = self.depthwise(x)
+        x = self.pointwise(x)
+        x = self.bn(x)
+        x = self.relu(x)
+        return x
+
+
 class DetailNode(nn.Module):
 
     # <img src = "http://42.192.130.83:9000/picgo/imgs/小绿鲸英文文献阅读器_ELTITYqm5G.png" / > '
-    def __init__(self):
+    def __init__(self,useBlock=0):
         super(DetailNode, self).__init__()
 
-        self.theta_phi = InvertedResidualBlock(inp=32, oup=32, expand_ratio=2)
+        if useBlock==0:
-        self.theta_rho = InvertedResidualBlock(inp=32, oup=32, expand_ratio=2)
+            self.theta_phi = DepthwiseSeparableConvBlock(inp=32, oup=32)
-        self.theta_eta = InvertedResidualBlock(inp=32, oup=32, expand_ratio=2)
+            self.theta_rho = DepthwiseSeparableConvBlock(inp=32, oup=32)
+            self.theta_eta = DepthwiseSeparableConvBlock(inp=32, oup=32)
+        elif useBlock==1:
+            self.theta_phi = InvertedResidualBlock(inp=32, oup=32, expand_ratio=2)
+            self.theta_rho = InvertedResidualBlock(inp=32, oup=32, expand_ratio=2)
+            self.theta_eta = InvertedResidualBlock(inp=32, oup=32, expand_ratio=2)
+        else:
+            self.theta_phi = InvertedResidualBlock(inp=32, oup=32, expand_ratio=2)
+            self.theta_rho = InvertedResidualBlock(inp=32, oup=32, expand_ratio=2)
+            self.theta_eta = InvertedResidualBlock(inp=32, oup=32, expand_ratio=2)
         self.shffleconv = nn.Conv2d(64, 64, kernel_size=1,
                                     stride=1, padding=0, bias=True)
 
@@ -251,26 +404,29 @@ class DetailNode(nn.Module):
         z1 = z1 * torch.exp(self.theta_rho(z2)) + self.theta_eta(z2)
         return z1, z2
 
+class DetailFeatureExtractionSAR(nn.Module):
+    def __init__(self, num_layers=3):
+        super(DetailFeatureExtractionSAR, self).__init__()
+        # useBlock = 1表示使用 invresblock
+        INNmodules = [DetailNode(useBlock=1) for _ in range(num_layers)]
+        self.net = nn.Sequential(*INNmodules)
+
+    def forward(self, x):
+        z1, z2 = x[:, :x.shape[1] // 2], x[:, x.shape[1] // 2:x.shape[1]]
+        for layer in self.net:
+            z1, z2 = layer(z1, z2)
+        return torch.cat((z1, z2), dim=1)
 
 class DetailFeatureExtraction(nn.Module):
     def __init__(self, num_layers=3):
         super(DetailFeatureExtraction, self).__init__()
-        INNmodules = [DetailNode() for _ in range(num_layers)]
+        INNmodules = [DetailNode(useBlock=0) for _ in range(num_layers)]
         self.net = nn.Sequential(*INNmodules)
-        self.enhancement_module = WTConv2d(32, 32)
-
-    def forward(self, x): # 1 64 128 128
-        z1, z2 = x[:, :x.shape[1] // 2], x[:, x.shape[1] // 2:x.shape[1]] # 1 32 128 128
-        # 增强并添加残差连接
-        enhanced_z1 = self.enhancement_module(z1)
-        enhanced_z2 = self.enhancement_module(z2)
 
+    def forward(self, x):
+        z1, z2 = x[:, :x.shape[1] // 2], x[:, x.shape[1] // 2:x.shape[1]]
         for layer in self.net:
             z1, z2 = layer(z1, z2)
-
-        # 残差连接
-        z1 = z1 + enhanced_z1
-        z2 = z2 + enhanced_z2
         return torch.cat((z1, z2), dim=1)
 
 # =============================================================================
@@ -435,78 +591,9 @@ class OverlapPatchEmbed(nn.Module):
         return x
 
 
-class BaseFeatureExtractionSAR(nn.Module):
-    def __init__(self, dim, pool_size=3, mlp_ratio=4.,
-                 act_layer=nn.GELU,
-                 # norm_layer=nn.LayerNorm,
-                 drop=0., drop_path=0.,
-                 use_layer_scale=True, layer_scale_init_value=1e-5):
-
-        super().__init__()
-
-        self.WTConv2d = WTConv2d(dim, dim)
-        self.norm1 = LayerNorm(dim, 'WithBias')
-        self.token_mixer = Pooling(kernel_size=pool_size)  # vits是msa，MLPs是mlp，这个用pool来替代
-        self.norm2 = LayerNorm(dim, 'WithBias')
-        mlp_hidden_dim = int(dim * mlp_ratio)
-        self.poolmlp = PoolMlp(in_features=dim, hidden_features=mlp_hidden_dim,
-                               act_layer=act_layer, drop=drop)
-
-        # The following two techniques are useful to train deep PoolFormers.
-        self.drop_path = DropPath(drop_path) if drop_path > 0. \
-            else nn.Identity()
-        self.use_layer_scale = use_layer_scale
-
-        if use_layer_scale:
-            self.layer_scale_1 = nn.Parameter(
-                torch.ones(dim, dtype=torch.float32) * layer_scale_init_value)
-
-            self.layer_scale_2 = nn.Parameter(
-                torch.ones(dim, dtype=torch.float32) * layer_scale_init_value)
-
-    def forward(self, x): # 1 64 128 128
-        if self.use_layer_scale:
-            #  self.layer_scale_1(64,)
-            tmp1 = self.layer_scale_1.unsqueeze(-1).unsqueeze(-1) # 64 1 1
-            normal = self.norm1(x) # 1 64 128 128
-            token_mix = self.token_mixer(normal) # 1 64 128 128
-
-            x = self.WTConv2d(x)
-
-            x = (x +
-                 self.drop_path(
-                    tmp1 * token_mix
-                 )
-                 # 该表达式将 self.layer_scale_1 这个一维张量（或变量）在维度末尾添加两个新的维度，使其从一维变为三维。这通常用于使其能够与三维的特征图进行广播操作，如元素相乘。具体用途可能包括调整卷积层或注意力机制中的权重。
-            )
-            x = x + self.drop_path(
-                self.layer_scale_2.unsqueeze(-1).unsqueeze(-1)
-                * self.poolmlp(self.norm2(x)))
-        else:
-            x = x + self.drop_path(self.token_mixer(self.norm1(x))) # 匹配cddfuse
-            x = x + self.drop_path(self.poolmlp(self.norm2(x)))
-        return x
 
 
 
-class DetailFeatureExtractionSAR(nn.Module):
-    def __init__(self, num_layers=3):
-        super(DetailFeatureExtractionSAR, self).__init__()
-        INNmodules = [DetailNode() for _ in range(num_layers)]
-        self.net = nn.Sequential(*INNmodules)
-        self.enhancement_module = WTConv2d(32, 32)
-
-    def forward(self, x): # 1 64 128 128
-        z1, z2 = x[:, :x.shape[1] // 2], x[:, x.shape[1] // 2:x.shape[1]] # 1 32 128 128
-        # 增强并添加残差连接
-        enhanced_z1 = self.enhancement_module(z1)
-        enhanced_z2 = self.enhancement_module(z2)
-        # 残差连接
-        z1 = z1 + enhanced_z1
-        z2 = z2 + enhanced_z2
-        for layer in self.net:
-            z1, z2 = layer(z1, z2)
-        return torch.cat((z1, z2), dim=1)
 
 
 

test_IVF.py

@@ -17,9 +17,9 @@ current_time = datetime.datetime.now().strftime("%Y%m%d_%H%M%S")
 
 
 os.environ["CUDA_VISIBLE_DEVICES"] = "0"
-ckpt_path= r"/home/star/whaiDir/PFCFuse/models/whaiFusion10-08-16-20.pth"
+ckpt_path= r"/home/star/whaiDir/PFCFuse/models/whaiFusion11-11-20-36.pth"
 
-for dataset_name in ["TNO","RoadScene"]:
+for dataset_name in ["sar"]:
     print("\n"*2+"="*80)
     model_name="PFCFuse    "
     print("The test result of "+dataset_name+' :')

train.py

@@ -6,7 +6,8 @@ Import packages
 ------------------------------------------------------------------------------
 '''
 
-from net import Restormer_Encoder, Restormer_Decoder, BaseFeatureExtraction, DetailFeatureExtraction
+from net import Restormer_Encoder, Restormer_Decoder, BaseFeatureExtraction, DetailFeatureExtraction, BaseFeatureFusion, \
+    DetailFeatureFusion
 from utils.dataset import H5Dataset
 import os
 os.environ['KMP_DUPLICATE_LIB_OK'] = 'True'
@@ -31,11 +32,11 @@ Configure our network
 
 os.environ['CUDA_VISIBLE_DEVICES'] = '0'
 criteria_fusion = Fusionloss()
-model_str = 'PFCFuse'
+model_str = 'WhaiFuse'
 
 # . Set the hyper-parameters for training
-num_epochs = 60 # total epoch
+num_epochs = 120 # total epoch
-epoch_gap = 40  # epoches of Phase I
+epoch_gap = 80  # epoches of Phase I
 
 lr = 1e-4
 weight_decay = 0
@@ -85,8 +86,8 @@ device = 'cuda' if torch.cuda.is_available() else 'cpu'
 DIDF_Encoder = nn.DataParallel(Restormer_Encoder()).to(device)
 DIDF_Decoder = nn.DataParallel(Restormer_Decoder()).to(device)
 # BaseFuseLayer = nn.DataParallel(BaseFeatureExtraction(dim=64, num_heads=8)).to(device)
-BaseFuseLayer = nn.DataParallel(BaseFeatureExtraction(dim=64)).to(device)
+BaseFuseLayer = nn.DataParallel(BaseFeatureFusion(dim=64)).to(device)
-DetailFuseLayer = nn.DataParallel(DetailFeatureExtraction(num_layers=1)).to(device)
+DetailFuseLayer = nn.DataParallel(DetailFeatureFusion(num_layers=1)).to(device)
 
 # optimizer, scheduler and loss function
 optimizer1 = torch.optim.Adam(
@@ -109,7 +110,7 @@ Loss_ssim = kornia.losses.SSIM(11, reduction='mean')
 HuberLoss = nn.HuberLoss()
 
 # data loader
-trainloader = DataLoader(H5Dataset(r"/home/star/whaiDir/CDDFuse/data/MSRS_train_imgsize_128_stride_200.h5"),
+trainloader = DataLoader(H5Dataset(r"/home/star/whaiDir/PFCFuse/data/YYX_sar_opr_data_imgsize_128_stride_200.h5"),
                          batch_size=batch_size,
                          shuffle=True,
                          num_workers=0)
@@ -156,6 +157,7 @@ for epoch in range(num_epochs):
             cc_loss_B = cc(feature_V_B, feature_I_B)
             cc_loss_D = cc(feature_V_D, feature_I_D)
 
+            # HuberLoss 对比CDDFUSE的MSELoss
             mse_loss_V = 5 * Loss_ssim(data_VIS, data_VIS_hat) + HuberLoss(data_VIS, data_VIS_hat)
             mse_loss_I = 5 * Loss_ssim(data_IR, data_IR_hat) + HuberLoss(data_IR, data_IR_hat)
 
@@ -169,6 +171,16 @@ for epoch in range(num_epochs):
             loss_decomp =  (cc_loss_D) ** 2/ (1.01 + cc_loss_B)
             # print("loss_decomp", loss_decomp)
 
+            """
+            -Huber 损失函数是一种鲁棒的回归损失函数，
+            结合了均方误差（MSE）和绝对误差（MAE）的优点。
+            其设计目的是为了减少在数据中出现异常值（outliers）时对模型训练的影响。
+            在传统的 MSE 损失函数中，对大的误差给予较大的惩罚，
+            而 MAE 则对所有误差给予同等的线性惩罚。
+            然而，MSE 在面对异常值时可能导致模型的不稳定，
+            而 MAE 则可能导致梯度消失的问题。
+            a-Huber 损失函数通过一个阈值 δ 来自适应地选择惩罚方式：
+            """
 
             loss_rmi_v = relative_diff_loss(data_VIS, data_VIS_hat)
             loss_rmi_i = relative_diff_loss(data_IR, data_IR_hat)