From owner-freebsd-multimedia Mon Jun 29 19:28:12 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id TAA06108 for freebsd-multimedia-outgoing; Mon, 29 Jun 1998 19:28:12 -0700 (PDT) (envelope-from owner-freebsd-multimedia@FreeBSD.ORG) Received: from thelab.hub.org (tc-62.acadiau.ca [131.162.2.162]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id TAA06061 for ; Mon, 29 Jun 1998 19:27:52 -0700 (PDT) (envelope-from scrappy@hub.org) Received: from localhost (scrappy@localhost) by thelab.hub.org (8.8.8/8.8.2) with SMTP id XAA09366; Mon, 29 Jun 1998 23:27:42 -0300 (ADT) X-Authentication-Warning: thelab.hub.org: scrappy owned process doing -bs Date: Mon, 29 Jun 1998 23:27:42 -0300 (ADT) From: The Hermit Hacker To: "Daniel O'Connor" cc: freebsd-multimedia@FreeBSD.ORG Subject: Re: DjVu from ATT In-Reply-To: <199806300211.LAA22697@cain.gsoft.com.au> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-multimedia@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Tue, 30 Jun 1998, Daniel O'Connor wrote: > > (by AT&Ts claims of 5 to 10x better compression then Jpeg), that much less > > data (image wise) being strewn across the 'Net... > Yes, but from reading the info on the compression scheme it is only suitable > for low colour pictures which require crispness (eg text), whereas jpeg is > better for pictures with lots of colour (eg images of people etc) > Still, I'm just guessing and haven't tried it :) The talk about using it for online catalogs (one of there examples is an electronics catalog)...from what I understand of it so far, it "pulls" the text away from the graphics, and compresses each seperately. They had one graphic up that looked like an architectual drawing...when the image decompresses, you see the 'text' first, and then the graphic gets overlayed on top of it (really neat to watch, I find)...I was suprised at what it considered to be 'text'...text != alphanumeric. Marc G. Fournier Systems Administrator @ hub.org primary: scrappy@hub.org secondary: scrappy@{freebsd|postgresql}.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-multimedia" in the body of the message