Alison, Thanks for sending this information. I've had several private responses so far and will probably attempt to summarize for the list at some point. Wayne > -----Original Message----- > From: Alison Parks-Whitfield [mailto:[log in to unmask]] > Sent: Friday, June 09, 2006 2:18 PM > To: [log in to unmask] > Subject: Re: Image compression informal survey > > Hi Wayne, > > This is something we are wrestling with in my department at > Stanford as > well. > > JPEG 2000 is not supported by any browser, so web delivery > displays in JPEG > format. JPEG is completely appropriate for continous tone > images, and I > think it is a very good option for delivery of photographs, > illustrations, > etc. > > However, on one of my projects we are dealing with manuscript > texts. From my > vantage point (I worked at Adobe for several years) there are > better file > formats to display texts on the web. PNG and GIF tend to yield crisper > edges, better overall quality and nice small files. > > JPEG looks ok on manuscript texts, but the images are > generally darker, > fuzzier and artifact laden. > > Wayne, thank you for opening this up for discussion. I'm so > interested to > hear what others have to say on the subject. > > Best, > > Alison > --------------- > > Alison Parks-Whitfield > > Stanford University > Aquifer Project Manager > Parker Imaging QA Analyst > 650-736-7761 > > > > Quoting "R. Wayne Shoaf" <[log in to unmask]>: > > > At the University of Southern California we have > historically used MrSID > > to > > deliver large compressed images over the Web. These are > normally stored > > as > > tiffs with SID renditions subsequently derived from the tiffs. > > > > We are considering switching to an alternative compression > because of > > intermittent problems with the SIDs. One technology we're > considering > > switching to is jpeg-2000. > > > > We would be most appreciative if we could hear from others > out there with > > regard to preferred compression formats for delivery of > still images on > > the > > Web -- particularly if you are using jpeg-2000. > > > > Thanks. > > > > Wayne > > ---------------- > > R. Wayne Shoaf > > Director > > Information Delivery, Organization & Retrieval > > Information Services Division > > University of Southern California > > University Village, UVI, Bldg. A > > 3305 South Hoover Street > > Los Angeles, CA 90007-3557 > > 213.740.4090 > > [log in to unmask] > > > > > >