During the process of error level analysis on an image, I want to highlight the pixel changes using OpenCV(With just a single image and not the difference). I know the pixel-level values for the output image but not sure about the methods to group them together and assign a shape to that (Example below where the pixel change is specified with a shape). I want to know if I could detect the circle with the lighter pixels and group them and add a grouped shape for the pixels
Input Image:
Result Image:
from How to group and highlight group of pixels in an image using OpenCV?
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