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56 ADVANCED IMAGE PROCESSING
The color histograms can be displayed with the channel list box or with keyboard shortcuts.While
holding the shift key (Windows) or command key (Macintosh), press “1” to display the red channel,
“2” to display the green channel, “3” to display the blue channel, or “0” (zero) to display the RGB
channel.
HISTOGRAM CORRECTIONS
The histogram indicates the distribution of pixels with specific brightness and color values of the dis-
played image. Using the histogram can maximize the output of the image data. Changes made with
the histogram are also displayed on the tone curve.
Input shadow slider
Input gamma slider
Input highlight slider
Input shadow text box
Input gamma text box
Input highlight text box
Output shadow slider
Output highlight slider Output shadow text box
Output highlight text box