Epson XP-640 Users Guide - Page 124
Auto Area Segmentation, Threshold, Color Enhance, Brightness, Contrast, Gamma, Edge Fill
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Auto Area Segmentation Makes grayscale images clearer and text recognition more accurate by separating the text from the graphics. Threshold Adjusts the level at which black areas in text and line art are delineated, improving text recognition in OCR (Optical Character Recognition) programs. Color Enhance Enhances the red, green, or blue shades in the scanned image. Brightness Adjusts the overall lightness and darkness of the scanned image. Contrast Adjusts the difference between the light and dark areas of the overall scanned image. Gamma Adjusts the midtone density of the scanned image. Edge Fill Corrects shadowing around the edges of the image by filling the shadows with the color you select. Correct Document Skew Corrects skewed originals, image contents, or both. Parent topic: Scanning in Epson Scan 2 124
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