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update SampleProcessor.py

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iperov 2021-10-18 11:02:54 +04:00
parent a1ba64be10
commit f71a9e6bbd
1 changed files with 10 additions and 0 deletions
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samplelib/SampleProcessor.py
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@ -92,6 +92,7 @@ class SampleProcessor(object):
nearest_resize_to = opts.get('nearest_resize_to', None)
warp = opts.get('warp', False)
transform = opts.get('transform', False)
random_hsv_shift_amount = opts.get('random_hsv_shift_amount', 0)
normalize_tanh = opts.get('normalize_tanh', False)
ct_mode = opts.get('ct_mode', None)
data_format = opts.get('data_format', 'NHWC')
@ -191,6 +192,15 @@ class SampleProcessor(object):
ct_sample_bgr = ct_sample.load_bgr()
img = imagelib.color_transfer (ct_mode, img, cv2.resize( ct_sample_bgr, (resolution,resolution), interpolation=cv2.INTER_LINEAR ) )
if random_hsv_shift_amount != 0:
a = random_hsv_shift_amount
h_amount = max(1, int(360*a*0.5))
img_h, img_s, img_v = cv2.split(cv2.cvtColor(img, cv2.COLOR_BGR2HSV))
img_h = (img_h + rnd_state.randint(-h_amount, h_amount+1) ) % 360
img_s = np.clip (img_s + (rnd_state.random()-0.5)*a, 0, 1 )
img_v = np.clip (img_v + (rnd_state.random()-0.5)*a, 0, 1 )
img = np.clip( cv2.cvtColor(cv2.merge([img_h, img_s, img_v]), cv2.COLOR_HSV2BGR) , 0, 1 )
img = imagelib.warp_by_params (warp_params, img, warp, transform, can_flip=True, border_replicate=border_replicate)
img = np.clip(img.astype(np.float32), 0, 1)