By Phillip Whitt
Starting picture Retouching & recovery utilizing GIMP teaches the reader the best way to in attaining specialist effects utilizing this excessive finish snapshot editor. you are going to how to do every little thing from making boring photographs "pop" to resurrecting badly broken images deemed past any wish of rescue. there is no have to shell out sturdy funds month after month for the "big name" software program package deal. GIMP 2.8 is a world-class snapshot editor that wields virtually as a lot energy, and is totally unfastened! studying the paintings of picture retouching and recovery is enjoyable and profitable. Reclaim these valuable photographs from the ravages of time and overlook, and cross them directly to destiny generations. starting picture Retouching & recovery utilizing GIMP offers you a wide range of modifying workouts that will help you boost a excessive measure of talent.
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Extra info for Beginning Photo Retouching and Restoration Using GIMP
Levels allows you make changes on a composite of the red, green, and blue channels (Value) by default. Changes can be made on each color channel individually, which we’ll look at in Chapter 4. Tutorial 2: Correcting Contrast with Levels In this exercise, we’re going to improve the contrast in this image. As you can see in Figure 3-15, it has a rather flat tone. The highlight areas are dingy; the shadow areas are gray and muddy. A simple levels adjustment will make this photo pop out a lot more.
For printing, the image can be down-sampled to 300 DPI. Many scanners are capable of capturing 48-bit (16 bits per channel) color. 8 currently handles 24 bits (8 bits per channel), a 48-bit image will be converted to 24 bits when imported into the program (a prompt window opens first). 10. If you have plenty of data storage space, it’s a good idea to scan your images in the 48-bit mode and save the files in a loss-less format, such as TIFF. These will serve as your digital negatives, preserving the maximum degree of image integrity.
This will help make your work go smoother when you work with complex images composed of a large number of layers (Figure 1-17). I named the layer group Tonal Adjustment Layer Group. Some images might have more than one layer group, depending on the complexity of the work being done. Figure 1-17. 8 Layer Blending Modes Layers have a variety of blending modes, which interact with the underlying layer in specific ways. Blending modes can be very useful when restoring photos. For example, an underexposed photo, such as the one in Figure 1-18, can be quickly enhanced by simply duplicating the background layer and changing the blending mode to Screen.
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