Sharpening out-of-focus photos, reducing dust and scratches, and correcting faded colors
Previewing and changing the color tone of the entire image to scan
Brightening colors that have faded with time or due to colorcast
Adjusting images that are too dark or bright, or too flat due to lack of contrast
Adjusting the color tone using histogram (a graph showing brightness distribution)
Adjusting the image brightness using tone curve (a graph of brightness balance)
Sharpening characters in text documents or reducing show-through effects
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