Inside Photoshop® CS

Applying Corrections in Each of the Color Channels

Up to this point, you've worked with images that required only one or two adjustments in the color channels. More often than not, though, images require corrections in all three of the color channels.

In the following set of steps, you'll learn a technique for quickly identifying the areas of the image that should be black and the areas of the image that should be white by using a Threshold Adjustment Layer.

Also, you will apply a finishing touch to the image by using the Unsharp Mask (yes, that title and the filter's purpose are kinda oxymoronic!). In fact, you'll use the Unsharp Mask on all the remaining sample images. Every photograph that is brought into the digital world benefits from a ...