How to increase brightness such as photoshop?

asked 2013-12-14 01:40:14 -0500

updated 2013-12-15 08:20:29 -0500

The most common way to increase the brightness add the brightness value with each pixels in 3 channels then we can control the color saturation.However, the conventional method is different from Photoshop. What do you think?

thanks

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