def apply_style(content, style):
print(style)
style = style
input_file = content
media_filter = 3
aspect_ratio, x = preprocess_reflect_image(input_file, size_multiple=4)
img_width = img_height = x.shape[1]
model = image_transform_net(img_width, img_height)
model.compile(
Adam(),
dummy_loss) # Dummy loss since we are learning from regularizes
model.load_weights(STYLE_MODEL_DIR + style + '_weights.h5', by_name=True)
t1 = time.time()
y = model.predict(x)[0]
y = crop_image(y, aspect_ratio)
print("process: %s" % (time.time() - t1))
ox = crop_image(x[0], aspect_ratio)
y = median_filter_all_colours(y, media_filter)
del model
K.clear_session()
gc.collect()
return y
def apply_style(content, style, median_filter_size=3):
"""Apply style using fast style transformation
Params
======
content (ndarray): content image passed by user
style (str): style image stored in server
"""
style = style
input_file = content
median_filter_size = median_filter_size
""" Preprocessing """
aspect_ratio, x = preprocess_reflect_image(input_file, size_multiple=4)
img_width = img_height = x.shape[1]
""" Load Model """
model = depthwise_image_transform_net(img_width, img_height)
model.compile(
Adam(),
dummy_loss) # Dummy loss since we are learning from regularizes
model.load_weights(STYLE_MODEL_DIR + style + '_weights.h5')
""" Start transfer """
t1 = time.time()
y = model.predict(x)[0]
print("process: %s" % (time.time() - t1))
""" Post processing """
y = crop_image(y, aspect_ratio)
y = median_filter_all_colours(y, median_filter_size)
del model
K.clear_session()
gc.collect()
return y
def transfer(base_image,
syle_image_path,
color_adjusting_mode=0,
blending_alpha=0,
median_filter_size=3):
"""Fast style transformation
Params
======
base_image (ndarray): content image passed by user
syle_image_path (str): style image stored in server
color_adjusting_mode (float): Color adjusting mode.
0: None,
1: Preserve color,
2: Blend with original color
blending_alpha (float): the degree of the blending images, from 0 to 100
median_filter_size (int): the size of the median filter
"""
style = split_path(syle_image_path)
input_file = base_image
color_adjusting_mode = int(color_adjusting_mode)
blending_alpha = float(blending_alpha) / 100 # scale to 0 ~ 1
median_filter_size = median_filter_size
""" Preprocessing """
aspect_ratio, x = preprocess_reflect_image(input_file, size_multiple=4)
img_width = img_height = x.shape[1]
""" Load Model """
model = nets.depthwise_image_transform_net(img_width, img_height)
model.compile(Adam(), dummy_loss)
model.load_weights(file_path.MODELS_PATH +
"/fast_style_transfer/pretrained/" + style +
'_weights.h5')
print('Model loaded')
""" Start transfer """
t1 = time.time()
y = model.predict(x)[0]
""" Post processing """
y = crop_image(y, aspect_ratio)
print("process: %s" % (time.time() - t1))
ox = crop_image(x[0], aspect_ratio)
y = median_filter_all_colours(y, median_filter_size)
""" Color adjusting """
if color_adjusting_mode == 1:
y = original_color_transform(ox, y)
elif color_adjusting_mode == 2:
y = blend_with_original_colors(ox, y, blending_alpha)
""" Return the processed image """
output = BytesIO()
im = toimage(y)
im.save(output, format='JPEG')
del model
K.clear_session()
gc.collect()
return output.getvalue()
def transfer(base_image,
syle_image_path,
original_color=0,
blend=0,
media_filter=3):
style = split_path(syle_image_path)
input_file = base_image
original_color = original_color
blend_alpha = blend
media_filter = media_filter
#aspect_ratio, x = preprocess_reflect_image(input_file, size_multiple=4)
aspect_ratio, x = preprocess_reflect_image(input_file, size_multiple=4)
#img_width = x.shape[1]
#img_height = x.shape[2]
img_width = img_height = x.shape[1]
model = nets.image_transform_net(img_width, img_height)
#model = nets.loss_net(net.output,net.input,img_width,img_height,"",0,0)
model.compile(
Adam(),
dummy_loss) # Dummy loss since we are learning from regularizes
model.load_weights(file_path.MODELS_PATH +
"/fast_style_transfer/pretrained/" + style +
'_weights.h5',
by_name=True)
print('Model loaded')
t1 = time.time()
y = model.predict(x)[0]
y = crop_image(y, aspect_ratio)
print("process: %s" % (time.time() - t1))
ox = crop_image(x[0], aspect_ratio)
y = median_filter_all_colours(y, media_filter)
if blend_alpha > 0:
y = blend(ox, y, blend_alpha)
if original_color > 0:
y = original_colors(ox, y, original_color)
output = BytesIO()
im = toimage(y)
im.save(output, format='JPEG')
del model
K.clear_session()
gc.collect()
return output.getvalue()
def main(args):
style = args.style
#img_width = img_height = args.image_size
output_file = args.output
input_file = args.input
original_color = args.original_color
blend_alpha = args.blend
media_filter = args.media_filter
aspect_ratio, x = preprocess_reflect_image(input_file, size_multiple=4)
img_width = img_height = x.shape[1]
net = nets.image_transform_net(img_width, img_height)
model = nets.loss_net(net.output, net.input, img_width, img_height, "", 0,
0)
#model.summary()
model.compile(
Adam(),
dummy_loss) # Dummy loss since we are learning from regularizes
model.load_weights("pretrained/" + style + '_weights.h5', by_name=False)
t1 = time.time()
y = net.predict(x)[0]
y = crop_image(y, aspect_ratio)
print("process: %s" % (time.time() - t1))
ox = crop_image(x[0], aspect_ratio)
y = median_filter_all_colours(y, media_filter)
if blend_alpha > 0:
y = blend(ox, y, blend_alpha)
if original_color > 0:
y = original_colors(ox, y, original_color)
imsave('%s_output.png' % output_file, y)
def transfer(content_image,
foresyle_image_path,
backstyle_image_path,
color_adjusting_mode=0,
blending_alpha=0,
median_filter_size=3):
"""Mask style transformation
Params
======
content_image (ndarray): content image passed by user
foresyle_image_path (str): foreground style image stored in server
backstyle_image_path (str): background style image stored in server
color_adjusting_mode (float): Color adjusting mode.
0: None,
1: Preserve color,
2: Blend with original color
blending_alpha (float): the degree of the blending images, from 0 to 100
median_filter_size (int): the size of the median filter
"""
content_image = imread(content_image, mode="RGB")
color_adjusting_mode = int(color_adjusting_mode)
blending_alpha = float(blending_alpha) / 100 # scale to 0 ~ 1
median_filter_size = median_filter_size
""" Preprocessing """
content_image = check_resize_img(content_image)
aspect_ratio, x = preprocess_reflect_image(content_image, size_multiple=4)
img_width = img_height = x.shape[1]
forestyle = split_path(foresyle_image_path)
backstyle = split_path(backstyle_image_path)
print(forestyle)
print(backstyle)
""" Start transfer """
start_time = time.time()
mask_i = detect_mask(content_image)
generated_1 = apply_style(style=forestyle, content=content_image)
print("generated_1", generated_1.shape)
generated_2 = apply_style(style=backstyle, content=content_image)
print("generated_2", generated_2.shape)
generated_3 = apply_style_mask(content=generated_1,
generated=generated_2,
mask=mask_i[:, :, 0])
print("generated_3", generated_3.shape)
print("total_transfer_time:", time.time() - start_time)
ox = crop_image(x[0], aspect_ratio)
""" Color adjusting """
print(color_adjusting_mode)
if color_adjusting_mode == 1:
y = original_color_transform(ox, generated_3)
elif color_adjusting_mode == 2:
y = blend_with_original_colors(ox, generated_3, blending_alpha)
else:
y = generated_3
output = BytesIO()
im = toimage(y)
im.save(output, format='JPEG')
K.clear_session()
gc.collect()
return output.getvalue()