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Fix the bug of overflow in AutoContrast #643

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Fix the bug of overflow in AutoContrast #643

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1 change: 1 addition & 0 deletions lavis/processors/randaugment.py
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@ def autocontrast_func(img, cutoff=0):
n_bins = 256

def tune_channel(ch):
ch = ch.astype(np.int16)
n = ch.size
cut = cutoff * n // 100
if cut == 0:
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