Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!uwm.edu!uakari.primate.wisc.edu!ginosko!uunet!suntc!jh34607 From: jh34607@suntc.UUCP (john howell) Newsgroups: comp.graphics Subject: Re: Floyd-Steinberg dithering, any literature? Summary: Dithering References Message-ID: <129@suntc.UUCP> Date: 12 Oct 89 13:55:24 GMT References: <646@zgdvda.UUCP> Organization: Deere & Co. Technical Center, Moline,IL Lines: 43 In article <646@zgdvda.UUCP>, pfuetz@zgdvda.UUCP (Matthias Pfuetzner) writes: > Hallo! > > I've gotten giffer.ttp for the ATARI from the comp.binaries.atari.st > newsgroup. There Eric Gisin mentions Floyd-Steinberg dithering as one of > the methods he uses (there are four available in this program) for > converting color information to bw. > My question now: Can anybody tell me some book or other literature where > this Floyd-Steinberg dithering method is described? > > Any hint is highly appreciated. > > Thanks in advance, > Sincerly Yours, > Matthias Pfuetzner > The definitive reference for what you want to do is probably: Heckbert, P, "Color Image Quantization for Frame Buffer Display," COMPUTER GRAPHICS, Vol. 16, No. 3, July 1982. or you may want to look at my own incarnation of Heckbert's work: Howell, J., "Full Color PATRAN Images with a 256 Color Terminal," 1986 PATRAN USERS' CONFERENCE PROCEEDINGS. and to answer your question about the Floyd-Steinberg reference: Floyd, R. W. and Steinberg, L., "An Adaptive Algorithm for Spatial Gray Scale," SID 75, INT. SYMP. DIG. TECH. PAPERS, 1975. Happy Dithering. ======================================================================== John Howell uucp: uunet!suntc!jrh Deere & Company MCImail: 360-4047 Technical Center CompuServe: [76666,2505] 3300 River Drive FAX: (309)765-3807 Moline, IL 61265 Voice: (309)765-3784 ========================================================================