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SampleProcessor : added unused random rgb levels

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Colombo 2020-02-20 08:30:53 +04:00
parent c052ee7d60
commit e6e11ca056
1 changed files with 15 additions and 0 deletions
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15
samplelib/SampleProcessor.py
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@ -41,6 +41,7 @@ class SampleProcessor(object):
MODE_FACE_MASK_STRUCT = 46 #mask structure as grayscale
MODE_BGR_SHUFFLE = 47 #BGR shuffle
MODE_BGR_RANDOM_HSV_SHIFT = 48
MODE_BGR_RANDOM_RGB_LEVELS = 49
MODE_END = 50
class Options(object):
@ -269,6 +270,20 @@ class SampleProcessor(object):
v = np.clip ( v + rnd_state.random()-0.5, 0, 1 )
hsv = cv2.merge([h, s, v])
out_sample = np.clip( cv2.cvtColor(hsv, cv2.COLOR_HSV2BGR) , 0, 1 )
elif mode_type == SPTF.MODE_BGR_RANDOM_RGB_LEVELS:
rnd_state = np.random.RandomState (sample_rnd_seed)
np_rnd = rnd_state.rand
inBlack = np.array([np_rnd()*0.25 , np_rnd()*0.25 , np_rnd()*0.25], dtype=np.float32)
inWhite = np.array([1.0-np_rnd()*0.25, 1.0-np_rnd()*0.25, 1.0-np_rnd()*0.25], dtype=np.float32)
inGamma = np.array([0.5+np_rnd(), 0.5+np_rnd(), 0.5+np_rnd()], dtype=np.float32)
outBlack = np.array([0.0, 0.0, 0.0], dtype=np.float32)
outWhite = np.array([1.0, 1.0, 1.0], dtype=np.float32)
out_sample = np.clip( (img - inBlack) / (inWhite - inBlack), 0, 1 )
out_sample = ( out_sample ** (1/inGamma) ) * (outWhite - outBlack) + outBlack
out_sample = np.clip(out_sample, 0, 1)
elif mode_type == SPTF.MODE_G:
out_sample = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)[...,None]
elif mode_type == SPTF.MODE_GGG: