How to convert an image from rgb to l*a*b color space without using any function???

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pritha Das
pritha Das 2013-11-11
评论： noor abidi 2017-9-6
i want to change rgb image into l*a*b color space without using makecform() and applycform() functions.....how can it be done???????
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John Barber
John Barber 2013-11-11
Here is a good reference for color space conversions:
http://www.brucelindbloom.com/index.html?Equations.html
Once you understand the basics of color spaces and converting between them, writing a short function to do a conversion from sRGB to Lab should be quite easy.
Image Analyst
Image Analyst 2013-11-11
You can find "book formulas" here: http://www.easyrgb.com/index.php?X=MATH First go from RGB to XYZ, then go from XYZ to Lab.

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