Median filter for color images

Question

When performing median filtering on grayscale images, we evaluate pixel intensities. How do we evaluate the intensity values ​​of pixels in color images, since each pixel has 3 channels R, G, B. What is the formula. Thank.

Answer 1

There are 2 options for filtering noise with a middle filter:

• making a median filter for each of the RGB components separately is not a good choice because the components are correlated and false colors may appear.
• HSV RGB, , , RGB, ( ).

HSV:

Answer 2

- (VMF). . - . VMF , "" - , , .