how to apply W*W sliding window concept for gray image enhancement

The objective is to achieve contrast enhancement is to improve the contrast of lesions for easy detection using a w*w sliding window with assumption that w is large enough to contain a statistically representative distribution of the local variation of lesions

_anybody pls guide me with matlab coding _

[Ashish Uthama]

For the sliding window part: Have a look at blockproc. Go through the help and examples. If you need more help, post back.

Answer 1

[Image Analyst]

You can use conv2() with appropriate filters, or you can use nlfilter with your own custom function. Or you can use adapthisteq().

[kalaivaani]

 Thank u for ur reply

[Image Analyst]

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