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Separating sharp portions from blurred portions in an image

asked 2013-09-27 06:20:22 -0500

kabhat gravatar image

updated 2013-09-27 12:13:08 -0500

How can I separate the sharp (in focus) portion of an image from the blurred (out of focus) portion of the same image?

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answered 2013-09-27 06:55:24 -0500

updated 2013-09-27 07:03:21 -0500

It is not possible int the all situation.If your picture is in specific situation (maximum distance form camera & type of picture) you can compute it.

For compute sharpness in the whole image you can use this post.If you want compute regions of focus & out of focus convert the code to blockwise or adaptive method.

In the adaptive method,compute focus for each point with gradient of neighbors by gaussian distribution.In the finally separate result by threshold.

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answered 2013-09-27 06:36:46 -0500

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Asked: 2013-09-27 06:20:22 -0500

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Last updated: Sep 27 '13