So im trying to modify the code here:
My modified code is attached to this question.
my problem is that the color in my histogram plot is not according to color. It does not have a sequence of color since the black bar is near the center when it is supposed to be at the right most.
Original image is:
Histogram of the image is:
Also, follow up question. How can i extract using the histogram plot a specific boundary of color. Like example i want to extract from the original image the pixels with yellowish color. How can i do that? Thank you so much!