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Beginning Photo Retouching and Restoration Using GIMP by Phillip Whitt

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CHAPTER 9

image

Sharpening Images

In This Chapter

  • Sharpening—The Final Step

  • The Unsharp Mask Filter

  • High Pass Sharpening

  • Emboss Sharpening

Sharpening—The Final Step

In many instances, the images you work with will benefit from a little sharpening. After you complete your retouching/restoration steps, sharpening should be the final step in the editing process. Images are also generally sharpened after downscaling (such as those being prepared for use on the Web). This process will not correct images that are out of focus and blurry, but it will improve images that are slightly soft, such as scanned photographs. Some scanners employ an auto-sharping ...

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