support nc=1, add new leaerning rate policy and new initialization

1 files changed, 16 insertions, 4 deletions

diff --git a/data/unaligned_dataset.py b/data/unaligned_dataset.py
index d31eb05..c5e5460 100644
--- a/data/unaligned_dataset.py
+++ b/data/unaligned_dataset.py
@@ -4,7 +4,6 @@ from data.base_dataset import BaseDataset, get_transform
 from data.image_folder import make_dataset
 from PIL import Image
 import PIL
-from pdb import set_trace as st
 import random
 
 class UnalignedDataset(BaseDataset):
@@ -32,10 +31,23 @@ class UnalignedDataset(BaseDataset):
         A_img = Image.open(A_path).convert('RGB')
         B_img = Image.open(B_path).convert('RGB')
 
-        A_img = self.transform(A_img)
-        B_img = self.transform(B_img)
+        A = self.transform(A_img)
+        B = self.transform(B_img)
+        if self.opt.which_direction == 'BtoA':
+            input_nc = self.opt.output_nc
+            output_nc = self.opt.input_nc
+        else:
+            input_nc = self.opt.input_nc
+            output_nc = self.opt.output_nc
 
-        return {'A': A_img, 'B': B_img,
+        if input_nc == 1:  # RGB to gray
+            tmp = A[0, ...] * 0.299 + A[1, ...] * 0.587 + A[2, ...] * 0.114
+            A = tmp.unsqueeze(0)
+
+        if output_nc == 1:  # RGB to gray
+            tmp = B[0, ...] * 0.299 + B[1, ...] * 0.587 + B[2, ...] * 0.114
+            B = tmp.unsqueeze(0)
+        return {'A': A, 'B': B,
                 'A_paths': A_path, 'B_paths': B_path}
 
     def __len__(self):