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increase brightness/contrast

Apr 11, 2012, 15:56 (This post was last modified: Apr 11, 2012 16:18 by kevin32.)
Post: #1
increase brightness/contrast
If you set your computer monitor to 50-brightness, 50-contrast, you see the image below is very dark. But when you increase them to max, you 'see' more of the picture.

Is there a way to increase the brightness/contrast of an image, so that even if the monitor is set to 50/50 brightness/contrast, it appears how the original image looks at 100/100 brightness/contrast? The goal is to make it so that monitors set to 50/50 brightness/contrast can see the image clearly. Thanks.

   
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Apr 11, 2012, 17:04
Post: #2
RE: increase brightness/contrast
See "Colors/Brightness/Contrast".

*However* remember that your image, being a JPEG, only has 256 different luminosity levels. If you increase the level of the black, you map, says, the first 25 values in to the first 100 values. That also means that the remaining 221 values are compressed into 156 so you'll lose detail and create "flat" areas. There only so much correction you can do at that stage.

Now answering your questions on
https://Gimp-Forum.net
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