what is mean by image gradient? what is mean by gradient filter ?

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During fuzzy logic based edge detection we are considering image gradient I would like to know wat is image gradient

Answers (2)

Jan on 8 Feb 2015
You will find the definitions, if you search in the internet. What about http://en.wikipedia.org/wiki/Image_gradient ?

Erik S.
Erik S. on 8 Feb 2015
I agree with Mr Simon, look online. But to summarize image gradients are commonly used to detect edges in images. Look on wikipedia for Edge detection and Sobel filter for exampels.

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