Selecting image luminosity


show more Selecting image luminosity provides you with in-depth training on Design. Taught by Jan Kabili as part of the Photoshop CS4: Selections in Depth show less
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Selecting image luminosity

With just one click, you can make a selection based on the tonal value or the luminosity of pixels in an image. This opens up all kinds of creative possibilities. In this movie, I'll show you how quick and easy it is to make an image luminosity selection and I'll give you one example of something creative you can do with that selection which is to create a split toned image. To make a selection based on the luminosity of the tonal values in the image, I'm going to go to the Channels panel. There in the Channels panel, you can see the Red, Green and Blue color channels that make up the color image as well as a Composite RGB Channel.

The way to load image luminosity as a selection is to hold down the Command key on the Mac or the Ctrl key on the PC. And click on the thumbnail on that RGB Channel. This creates a selection with the brightest areas fully selected and the less bright areas partially selected according to their brightness. It's hard to visualize that in this marc...

Selecting image luminosity
Video duration: 6m 13s 3h 51m Intermediate

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Selecting image luminosity provides you with in-depth training on Design. Taught by Jan Kabili as part of the Photoshop CS4: Selections in Depth

Subjects:
Design Photography
Software:
Photoshop
Author:
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