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fix a channel input #131

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fix a channel input #131

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4535036
fix a channel input
taizan Sep 14, 2017
72ae1cd
Merge pull request #1 from taizan/a_ch-patch
taizan Sep 14, 2017
a96f059
Update img2imgDataset.py
whughw Dec 30, 2018
5cd88ae
Merge pull request #2 from whughw/patch-1
taizan Jan 6, 2019
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22 changes: 21 additions & 1 deletion cgi-bin/paint_x2_unet/img2imgDataset.py
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,23 @@ def cvt2YUV(img):
img = cv2.cvtColor( img, cv2.COLOR_BGR2YUV )
return img

def cvt2GRAY(img):
if len(img.shape) == 2:
# Grayscale image
return img
width, height, color = img.shape
if color == 4:
# RGBA image
r, g, b, a = cv2.split(img)
white = (255 - a).repeat(3).reshape((width, height, 3))
img2 = cv2.merge((r, g, b)).astype(np.uint32)
img2 += white
img2 = img2.clip(0, 255).astype(np.uint8)
return cv2.cvtColor(img2, cv2.COLOR_RGB2GRAY)
else:
# RGB image
return cv2.cvtColor(img, cv2.COLOR_RGB2GRAY)

class ImageAndRefDataset(chainer.dataset.DatasetMixin):

def __init__(self, paths, root1='./input', root2='./ref', dtype=np.float32):
Expand All @@ -39,7 +56,10 @@ def get_example(self, i, minimize=False, blur=0, s_size=128):
path1 = os.path.join(self._root1, self._paths[i])
#image1 = ImageDataset._read_image_as_array(path1, self._dtype)

image1 = cv2.imread(path1, cv2.IMREAD_GRAYSCALE)
#image1 = cv2.imread(path1, cv2.IMREAD_GRAYSCALE)
image1 = cv2.imread(path1, cv2.IMREAD_UNCHANGED )
image1 = cvt2GRAY(image1)

print("load:" + path1, os.path.isfile(path1), image1 is None)
image1 = np.asarray(image1, self._dtype)

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