I'm trying to posterize an image using opencv. Here's the input
I added the following script that i found here to get a posterize effect:
import numpy as np
import cv2
im = cv2.imread('messi5.jpg')
n = 2 # Number of levels of quantization
indices = np.arange(0,256) # List of all colors
divider = np.linspace(0,255,n+1)[1] # we get a divider
quantiz = np.int0(np.linspace(0,255,n)) # we get quantization colors
color_levels = np.clip(np.int0(indices/divider),0,n-1) # color levels 0,1,2..
palette = quantiz[color_levels] # Creating the palette
im2 = palette[im] # Applying palette on image
im2 = cv2.convertScaleAbs(im2) # Converting image back to uint8
cv2.imshow('im2',im2)
cv2.waitKey(0)
cv2.destroyAllWindows()
Here's the output I'm getting by setting n=5
which is close to my desired output
However the glaring on the original image is affecting the final output( I need an output with a face having almost the same colour). How do I remove glaring from the original input