Advanced Guide > Scanning > Scanning with Other Application Software > Correcting Images and Adjusting Colors with ScanGear (Scanner Driver) > Adjusting Histogram

Adjusting Histogram

In ScanGear's Advanced Mode tab, click (Histogram).

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 open Histogram of a specified area for each Channel. The higher the Histogram peak, the more data is distributed to that level.

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Canon MP550 manual Adjusting Histogram, Reading Histograms