Enhance brightness and contrast on part of image

[surjpanj]

Hi,

I have very simple problem. I need to enhance brightness and contrast only on a part of image. I used selection tools to select the region of interest but the brightness/contrast tool works on the whole image. Any suggestion how to change B&C only on a part of image?

Thanks,
Matt

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[Rasband, Wayne (NIH/NIMH) [E]]

> On Nov 16, 2015, at 9:43 AM, Matt <[hidden email]> wrote:
>
> Hi,
>
> I have very simple problem. I need to enhance brightness and contrast only on a part of image. I used selection tools to select the region of interest but the brightness/contrast tool works on the whole image. Any suggestion how to change B&C only on a part of image?

Click “Apply” and the B&C changes will be made only to the part of the image inside the selection. Or convert the image to RGB and you will not need to use the “Apply” button. With grayscale images, the B&C tool modifies the lookup table. On RGB images, it modifies the image pixel data.

-wayne




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