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Accurate
Image Manipulation for Desktops
Color Spaces Filter
Description
Provides some color space
conversions.
Selection Dropdown
RGB to HLS and HLS
to RGB
HLS conversion uses the
Hunt model. The Hue, Lightness, Saturation the channels will be presented
on the Red, Green and Blue channels respectively.
HLS definition specifies
the Hue as an angle from 0 to 360. Since the 8-bit space only allows the
256 levels the Hue is compressed, 0...255 is full circle. This gives a
small inaccuracy to the conversion.
In this HLS specification the Lightness
is not accurate luminance.
AIM RGB to YCrCb and YCrCb to
AIM RGB
Y, Cr, Cb channels will
be presented on the Red, Green and Blue channels respectively.
AIM RGB to CIE_XYZ and CIE_XYZ
to AIM RGB
X, Y and Z channels will
be presented on the Red, Green and Blue channels respectively. Level 255
represents 1 in XYZ space.
AIM RGB to Gray
Converts a color image or
selection into gray.
Notes
Since the R, G and B channels
are used for representing these extra color-spaces, (there is no way around
this since these are not internal color-spaces to Photoshop) the composite
RGB view will be quite useless. Any filtration has to be performed on the
individual target channel.
The AIM RGB is:
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Trinitron primaries
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Color temperature 6500K (Daylight)
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Gamma 1.0
Sliders
No sliders.
Author
Timo Autiokari. Homepage:
Accurate
Image Manipulation for Desktops
Usage and Distribution
Rights
Free to download and use,
distribution prohibited.
Filter Engine
FilterFormula v 1.1, by
ATS/Graphics
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