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Adjusting histogram – Canon mp620 User Manual

Page 534

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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, click

(Histogram).

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.

(1) Bright area

(2) Dark area

(3) Whole image

Page 534 of 815 pages

Adjusting Histogram