Adjusting histogram – Canon mp620 User Manual
Page 534
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
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