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from pickletools import uint8
import numpy as np
from PIL import Image

image=Image.open('flower.jpg')
arr=np.array(image)
#arr[:,:]=[,,0]

print(arr.shape)
print(arr.dtype)
print(arr.size)
print(arr)

img=Image.fromarray(arr)


#img.save('flowerr.png',arr)
img.show()


How to replace the color from blue to white?

What I have tried:

How to replace the color from blue to white only using numpy?
Posted
Updated 19-Aug-22 2:05am

1 solution

You need to get the actual structure of the image and find all the cells that contain the colour you want to change. And remember that there are many shades of blue. See Image Module - Pillow (PIL Fork) 9.2.0 documentation[^].
 
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