Levenhuk C800 NG Digital Camera, USB 2.0 - Manual (Page 72)

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Histogram Equalization is a kind of histogram process. The histogram can reflect the
statistical information for the R , G , and B of the pixels of the original image. The
algorithm calculates each separately, equalizes the R , G , and B of the points linearly,
and reassigns them
11.2.5 Brightness/Contrast•••
The Brightness/Contrast••• command offers simple adjustments to the tonal range
of an image. This command makes the same adjustment to every pixel in the image.
The
Brightness/Contrast command does not work with individual channels and is not
recommended for high-end output because it can result in the loss of details about
the image.
Preview : Check this button to display real-time effects when drags the slider bar.
Brightness : Dragging the slider bar to the left decreases the level and dragging it to
the right increases the level. The numbers on the right of the slider bar displays the
Brightness value. Values can range from -100 to +100 .
Contrast : Dragging the slider bar to the left decreases the level and dragging it to the
right increases the level. The numbers on the right of the slider bar displays the
Contrast value. Values can range from -100 to +100 .
11.2.6 Color•••
Choose Color••• command to modify the overall mixture of the colors in an image.
There are four color modules:
RGB
ToupView uses the RGB model. It assigns an intensity value to each pixel
ranging from 0 (black) to 255 (white) for each of the RGB components in a
color image.
For example, a bright red color might have an R value of 246, a G value of 20,