Graphic showing decomposition of image into frequency domain elements

Frequency Separation with Color and Luminosity Splits

Photoshop Proving Ground Frequency separation (FS) is still one of the most important, powerful techniques for retouching currently available to photographers. The basic concept is to split high and low detail elements to more easily address things like blemishes and discoloration. In the September issue of Photoshop Proving Ground I add another layer of control.…