http://www.johndcook.com/blog/2009/08/24/more-on-colors-and-grayscale/ The blog of John D. Cook Sat, 11 Feb 2012 01:10:06 -0500 http://wordpress.org/?v=2.8.4 hourly 1 http://www.johndcook.com/blog/2009/08/24/more-on-colors-and-grayscale/comment-page-1/#comment-36611 And Me Mon, 19 Apr 2010 21:38:12 +0000 http://www.johndcook.com/blog/?p=2947#comment-36611 It's Great Post !!! Thank you for sharing your knowledge Mr. John. It's clear for me now why my friends have different algorithm and formula to make an image become grayscale. I find those answer in here. ^_^ Thank you Mr. John. Umm, and sorry for my lack of English. It’s Great Post !!!
Thank you for sharing your knowledge Mr. John.
It’s clear for me now why my friends have different algorithm and formula to make an image become grayscale. I find those answer in here. ^_^
Thank you Mr. John.
Umm, and sorry for my lack of English.

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