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debug min/ptp/max

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This commit is contained in:
Jeremy Hummel 2019-08-13 00:23:03 -07:00
commit 38964150ad
1 changed files with 4 additions and 1 deletions
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5
imagelib/color_transfer.py
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@ -151,13 +151,16 @@ def lab_image_stats(image, mask=None):
def _scale_array(l, a, b, clip=True): def _scale_array(l, a, b, clip=True):
print('l*a*b*:', l, a, b)
if clip: if clip:
return np.clip(l, 0, 100), np.clip(a, -127, 127), np.clip(b, -127, 127) return np.clip(l, 0, 100), np.clip(a, -127, 127), np.clip(b, -127, 127)
# return (arr - np.min(arr)) / np.ptp(arr) # return (arr - np.min(arr)) / np.ptp(arr)
l_min, a_min, b_min = np.min(l), np.min(a), np.min(b) l_min, a_min, b_min = np.min(l), np.min(a), np.min(b)
l_ptp, a_ptp, b_ptp = np.ptp(l), np.ptp(a), np.ptp(b) l_ptp, a_ptp, b_ptp = np.ptp(l), np.ptp(a), np.ptp(b)
l_max, a_max, b_max = np.max(l), np.max(a), np.max(b)
print('l*a*b* min:', l_min, a_min, b_min)
print('l*a*b* ptp:', l_ptp, a_ptp, b_ptp)
print('l*a*b* max:', l_max, a_max, b_max)
l -= min(l_min, 0) l -= min(l_min, 0)
a -= min(a_min, -127) a -= min(a_min, -127)