Canon 4207B002 User Manual - Page 198

Correcting Images and Adjusting Colors with ScanGear (Scanner Driver) Page 198 of 334 pages On-screen Manual > Scanning Guide > Correcting Images and Adjusting Colors with ScanGear (Scanner Driver) Correcting Images and Adjusting Colors with ScanGear (Scanner Driver) The following sections provide you with tips and know-how on advanced scanning techniques involving color/brightness adjustment, etc. Sharpening out-of-focus photos, reducing dust and scratches, and correcting faded colors Correcting Images (Unsharp Mask, Reduce Dust and Scratches, Fading Correction, etc.) Previewing and changing the color tone of the entire image to scan Adjusting Colors Using a Color Pattern Brightening colors that have faded with time or due to colorcast Adjusting Saturation and Color Balance Adjusting images that are too dark or bright, or too flat due to lack of contrast Adjusting Brightness and Contrast Adjusting the color tone using histogram (a graph showing brightness distribution) Adjusting Histogram Adjusting the image brightness using tone curve (a graph of brightness balance) Adjusting Tone Curve Sharpening characters in text documents or reducing show-through effects Setting Threshold Page top