Canon PIXMA MG6822 User Manual - Page 732
Adjusting Histogram
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Adjusting Histogram You can adjust the image color tone by using a graph (histogram) showing brightness distribution, via (Histogram) in ScanGear (scanner driver)'s Advanced Mode tab. Note • Click Defaults to reset all adjustments in the current window. Channel Each dot of an image is a mixture of Red, Green, and Blue in various proportions (gradation). These colors can be adjusted individually as a "channel." Master Adjust the Red, Green, and Blue combined. Red Adjust the Red channel. Green Adjust the Green channel. Blue Adjust the Blue channel. Note • Only Grayscale will be displayed in Channel when Color Mode is Grayscale. Reading Histograms You can see the histogram of a specified area for each Channel. The higher the histogram peak, the more data is distributed to that level. 732