Path: utzoo!mnetor!uunet!husc6!bloom-beacon!athena.mit.edu!tada
From: tada@athena.mit.edu (Ivan Tadayoff)
Newsgroups: comp.graphics
Subject: Re: RBG -> Gray Scale?
Message-ID: <2622@bloom-beacon.MIT.EDU>
Date: 28 Jan 88 23:50:57 GMT
References: <547@naucse.UUCP>
Sender: daemon@bloom-beacon.MIT.EDU
Reply-To: tada@athena.mit.edu (Ivan Tadayoff)
Organization: Massachusetts Institute of Technology
Lines: 6
Keywords: conversion factores, RBG, Gray Scale




B&W TV's (and at least one graphics computer) use I = 0.30R + 0.59G +
0.11B where I = intensity and R,G,B = intensity or RGB color.  The
gray to RGB conversion is (of course) R=I, G=I, B=I.