Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/18/84; site turtlevax.UUCP Path: utzoo!watmath!clyde!burl!ulysses!ucbvax!decvax!decwrl!turtlevax!ken From: ken@turtlevax.UUCP (Ken Turkowski) Newsgroups: net.graphics Subject: Re: Difference between Computer Graphics and Image Processing Message-ID: <823@turtlevax.UUCP> Date: Sat, 13-Jul-85 14:04:11 EDT Article-I.D.: turtleva.823 Posted: Sat Jul 13 14:04:11 1985 Date-Received: Wed, 17-Jul-85 04:15:18 EDT References: <305@ur-laser.uucp> Reply-To: ken@turtlevax.UUCP (Ken Turkowski) Organization: CADLINC, Inc. @ Menlo Park, CA Lines: 38 In article <305@ur-laser.uucp> nitin@ur-laser.uucp (Nitin Sampat) writes: > at what point do you start separating computer > graphics from a field called image processing ? It all depends on the computational model: +----------+ \ +-------------+ | Computer |---->| Frame Store | Computer Graphics (CG) +----------+ / +-------------+ \ +----------+ +--->| Computer |-----+ | / +----------+ | | | Image Processing (IP) | +-------------+ / | +---| Frame Store |<--+ +-------------+ \ Of course, variants are allowed, such as a source and target framestores, which may be virtual. There is cross-breeding, though, to the benefit of both disciplines: Texture mapping is an image processing technique that is used in to render realistic computer graphic images. Curve fitting Pattern recognition (perhaps a discipline unto itself, but more closely related to image processing than computer graphics) has been used to create a geometric model, which is then visualized using computer graphic techniques. Examples of these are noise reduction in CAT scans and such, and font representation by polygons or splines. -- Ken Turkowski @ CADLINC, Menlo Park, CA UUCP: {amd,decwrl,hplabs,nsc,seismo,spar}!turtlevax!ken ARPA: turtlevax!ken@DECWRL.ARPA