ORIS PDF Tuner Version 4.4.8 User Manual - image2output - Support

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Transforming Image Colors
Transforming Colors by Direct Parameter Input
Creating Grayscale Images
This setting creates a black and white image with an unequal ratio of
color separations:
Target Source Image
C M Y K
C =
M =
Y =
K = 30 40 20 50
The Cyan, Magenta and Yellow separations are all made of 0% of the
four source image separations, i.e., only the Black separation is created.
The Black separation value is made of 30% Cyan, 40% Magenta,
20% Yellow and 50% Black of the source image separations.
Transforming Colors by Direct Parameter Input
The ‘direct input’ method allows you to make many additional transformations
that cannot be achieved with other transformation modes, such
as increasing the saturation of individual color separations of RGB images.
You have to specify 9 parameters. Each of the first 6 parameters modifies
a color which depends on another color, i.e., the first color is added
to or subtracted from all image pixels having the second color. These parameters
do not affect the gray balance.
R (1) Red depending on green
R (2) Red depending on blue
G (1) Green depending on red
G (2) Green depending on blue
B (1) Blue depending on red
B (2) Blue depending on green
The last 3 parameters allow you to modify the gray balance. i.e. the
amount of yellow, magenta and cyan contained in white. Increasing
these parameters by the same value makes the image brighter, decreasing
them by the same value makes it darker.
Y Yellow
M Magenta
C Cyan
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