First commit

testset/README.md

+
+McM poisson 20: poisson noise, alpha=2
\ No newline at end of file

testset/add_noise.m

+file_path = './urban100/HR/'; % input HQ path
+save_path = './urban100/urban100_speckle_0010/';  % output noisy path
+
+
+img_path_list = dir(strcat(file_path,'*.png'));  
+img_num = length(img_path_list);   
+if img_num > 0   
+    for j = 1:img_num   
+        image_name = img_path_list(j).name;   
+        I =  imread(strcat(file_path,image_name));
+        fprintf('%d %s\n', j, strcat(file_path,image_name)); 
+
+        path = strcat(save_path, image_name);
+        
+        % speckle
+        speckle0024 = imnoise(I,'speckle', 0.024); 
+
+        % salt & pepper
+        % sp0002 = imnoise(I, 'salt & pepper', 0.002);   
+
+
+        imwrite(speckle0024, path);
+
+    end
+end