Adjusting Histogram
In ScanGear (scanner driver)'s Advanced Mode tab, click
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.
(1) Bright area
(Histogram).
(2) Dark area
(3) Whole image