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android change brightness and contrast of image

asked 2014-09-18 23:27:05 -0500

HasanGhaforian gravatar image

updated 2014-09-18 23:28:26 -0500

Hello.I'm new by opencv and I do not know programming with c or c++,so excuse me if my question is weak and it's answer is obvious.Of course,before I ask this question,did a lot searching in Google,opencv Q\A and stackoverflow,but unfortunately I do not found answer.

I have to change brightness and contrast of a bitmap.I know how to get a Mat form bitmap in android.But I could not find any method in Imageproc class to change contrast and brightness of bitmap.Is there any way in java (without using native codes) to do those processes?

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answered 2014-09-22 04:08:31 -0500

Hi! Please refer this wiki link. & use this android version to relate it for android. samples

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OK! Thank you.I have to use this line: image.convertTo(new_image, -1, alpha, beta);

HasanGhaforian gravatar imageHasanGhaforian ( 2014-09-22 13:47:36 -0500 )edit
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Asked: 2014-09-18 23:27:05 -0500

Seen: 3,606 times

Last updated: Sep 22 '14