AW00011916000 Color Creation and Enhancement
Basler scout GigE 189
10.3.4 Color Adjustment
The camera’s color adjustment feature lets you adjust hue and saturation for the primary and
secondary colors in the RGB color space. Each adjustment affects those colors in the image where
the adjusted primary or secondary color predominates. For example, the adjustment of red affects
the colors in the image with a predominant red component.
The RGB Color Space
The RGB color space includes light with the primary colors red, green, and blue and all of their
combinations. When red, green, and blue light are combined and when the intensities of R, G, and
B are allowed to vary independently between 0% and 100%, all colors within the RGB color space
can be formed. Combining colored light is referred to as additive mixing.
When two primary colors are mixed at equal intensities, the secondary colors will result. The mixing
of red and green light produces yellow light (Y), the mixing of green and blue light produces cyan
light (C), and the mixing of blue and red light produces magenta light (M).
When the three primary colors are mixed at maximum intensities, white will result. In the absence
of light, black will result.
The color space can be represented as a color cube (see Figure 69 on page 190) where the primary
colors R, G, B, the secondary colors C, M, Y, and black and white define the corners. All shades of
gray are represented by the line connecting the black and the white corner.
For ease of imagination, the color cube can be projected onto a plane (as shown in Figure 69) such
that a color hexagon is formed. The primary and secondary colors define the corners of the color
If color adjustment is not available, activate the "Full" camera description file.
For more information, see Section 12.19 on page 325.
For the color adjustments to work properly, the white balance must be correct.
See Section 10.3.1 on page 181 for more information about the white balance and
see Section 10.3.5 on page 194 for a overall procedure for setting the color
enhancement features.
Although color adjustment can be used without also using color matrix
transformation, we nonetheless strongly recommend to also use color matrix
transformation to make full use of the camera’s color enhancement capabilities.
See Section 10.3.3 on page 185 for more information about color matrix
transformation.
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