[Image-SIG] Re: RGB conversion to CMKY gives strange results
Bob Klimek
klimek at grc.nasa.gov
Fri Mar 11 23:44:04 CET 2005
Fredrik Lundh wrote:
>>is there any particular reason why conversions to HSV and/or HSL don't exist ?
>>
>>
>for individual pixels, use the colorsys module in the standard Python library
>(but make sure to scale the values on the way in and out).
>
>for entire images, there's no good way to represent HSV/HSL/HSI/HSB etc
>in a 3*8-bit image memory (you usually want more resolution, especially for
>the H component).
>
>
One way that would get around the resolution loss would be to have the
result of HSI conversion go into a float image. And then if somebody
wants to cut down on the resolution and convert it to an 8-bit image
that would be their option.
Bob
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