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2013-03-06 03:49:34 -0600 asked a question more advanced median filter?

I would like to use a median filter in a more sophisticated way, but am limited in 2 ways by OpenCV's medianBlur() function.

  1. I would like it to work on 16-bit unsigned int images instead of 8-bit unsigned int.
  2. I would like to use a non-square kernel (arbitrary shape / vertical line / ...)

Currently I am using OpenCV from Python. Are there any pointers on how to do this?

2013-03-06 03:40:31 -0600 received badge  Editor (source)
2013-03-06 03:39:19 -0600 answered a question Smoothing with a mask

assuming mask where 255 = valid pixel, 0 = invalid pixel

pseudo-code written for Python - OpenCV

image[mask == 0] = 0
blurred_image = cv2.blur(image)
blurred_mask = cv2.blur(mask)
result = blurred_image / blurred_mask
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