Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!apple!uokmax!munnari.oz.au!metro!news From: andrew@ee.su.oz.au (Andrew Ho) Newsgroups: comp.graphics Subject: RGB to gray Message-ID: <1990Nov19.050822.12771@metro.ucc.su.OZ.AU> Date: 19 Nov 90 05:08:22 GMT Reply-To: andrew@ee.su.oz.au (Andrew Ho) Organization: Electrical Engineering, The University of Sydney, Australia Lines: 13 Nntp-Posting-Host: 129.78.13.33 Hi, I am trying to convert some full color images (RGB) into gray level images (because I hope to get some non-colorful laser printouts after doing the convertion). Are there any algorithms/lookup tables to do the "RGB to gray level" matching ? Thanks ! andrew@ee.su.au.oz