How to find the radial intensity gradient

asked 2013-05-31 15:57:35 -0600

hayden
51 ●4 ●5 ●9

Hello, I need to find the radial intensity difference for different radii intervals. Is there any suitable function in opencv which helps to find it? Thanks.

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answered 2013-06-01 15:33:18 -0600

Guanta
6736 ●6 ●25 ●79

Afaik, there doesn't exist a direct function for that but you can create circular masks with circle() (see http://docs.opencv.org/modules/core/doc/drawing_functions.html?highlight=circle#circle), mask your data with it and compute the gradients on your own.