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Figure 14.8 Whether viewed as local difference plus the original or as an original minus a blurred image, the effect is the same: Sharpening heightens the difference between each pixel and its neighbors. In these examples, the image scale is large so that you can see how sharpening works on a pixel-by-pixel basis.

Figure 14.8 Whether viewed as local difference plus the original or as an original minus a blurred image, the effect is the same: Sharpening heightens the difference between each pixel and its neighbors. In these examples, the image scale is large so that you can see how sharpening works on a pixel-by-pixel basis.

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