Foreword
Graphic designers build up complex images layer by layer, starting with the background and gradually adding individual elements and special effects until the image is complete. Many photographers use a similar approach when composing an image, viewing the foreground, the middle distance, and the background as separate zones, be it with regard to focus, lighting, or formal and color-based composition.
The second phase of digital image creation involves processing the images you have captured and often entails optimizing individual image layers separately from one another. For example, a background that has been deliberately blurred requires ...
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