29 lines
447 B
Python
29 lines
447 B
Python
from __future__ import annotations
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import cv2
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from numpy import generic
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def copy_and_normalize_channels(image):
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image = image.copy()
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try:
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image = cv2.cvtColor(image, cv2.COLOR_GRAY2BGR)
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except cv2.error:
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pass
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return image
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def npconvert(ob):
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if isinstance(ob, generic):
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return ob.item()
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raise TypeError
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def lift(fn):
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def lifted(coll):
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yield from map(fn, coll)
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return lifted
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