Using a lookup table with openCV and NumPy

Question

I\'m trying to use NumPy and CV2 by doing pixel math on an array of pixels then using a lookup table and replacing that pixel with the lookup table\'s value.

This wo

Answer 1

You can try OpenCV's Look Up Table to apply a LUT in one shot. Here is the documentation

C++

void LUT(InputArray src, InputArray lut, OutputArray dst, int interpolation=0 )

Python

cv2.LUT(src, lut[, dst[, interpolation]]) → dst