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- Path: sparky!uunet!munnari.oz.au!comp.vuw.ac.nz!waikato.ac.nz!aukuni.ac.nz!cs18.cs.aukuni.ac.nz!epoo1
- Newsgroups: comp.compression
- Subject: JPEG style compression on radar height data
- Message-ID: <1992Aug27.024921.17699@cs.aukuni.ac.nz>
- From: epoo1@cs.aukuni.ac.nz (Edouard Poor)
- Date: Thu, 27 Aug 1992 02:49:21 GMT
- Sender: epoo1@cs.aukuni.ac.nz (Edouard Poor)
- Organization: Computer Science Dept. University of Auckland
- Lines: 17
-
- Just wondering of anyone has had any experience with storing height data
- (terrain maps, down to, say, a 5m grid) with lossy techniques such as
- JPEG?
-
- The situation in which I would like to apply this doesn't really require
- very high accuracy in the data, but the amount of data to be stored may
- well be astronomical (or at least the budget for storage media will :-)
-
- By inspection I would say that JPEG might do a very good job, but I was
- wondering if there was anything in the way of tech reports/thesis/articles/
- personal experience in this area before I jump in head first (a lot
- of the data will be coast lines and thus will be able to have all the
- sea portions eliminated, a quad tree representaion might do a good
- job, perhaps as a preprocess...)
-
- Thanks in advance,
- Edouard
-