CO3096—Compression Methods for Multimedia
- Convenor:
- Prof. R. Raman
- Description:
Data compression is about finding novel ways of representing data so
that it takes very little storage, with the proviso that it should
be possible to reconstruct the original data from the compressed
version. Compression is essential when storage space is at a premium
or when data needs to be transmitted and bandwidth is at a premium
(which is almost always). The first thing that one learns about
compression is that it is not ``one size fits all'' approach: the
essence of compression is to determine characteristics of the data
that one is trying to compress (typically one is looking for
patterns that one can exploit to get a compact representation). This
gives rise to a variety of data modeling and representation
techniques, which is at the heart of compression. The convergence of
the communications, computing and entertainment industries has made
data compression a part of everyday life (e.g. MP3, DVD and Digital
TV) and has thrown up a number of exciting new opportunities for new
applications of compression technologies.
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