Subband Coding of Signals

Subband Coding of Signals

Murilo B. de Carvalho (Universidade Federal Fluminense, Brazil) and Eduardo A.B. da Silva (Universidade Federal de Rio de Janeiro, Brazil)
Copyright: © 2002 |Pages: 26
DOI: 10.4018/978-1-930708-30-3.ch006
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Abstract

In this chapter we deal with subband coding of signals. We begin with an introduction to rate-distortion theory, and after that we discuss subband compression schemes in general. We then describe popular still image and video coding algorithms using subband decompositions, including DCT and wavelet-based methods. R-D optimization-based techniques such as wavelet packets are also described. We finish the chapter with a brief account of subband-based audio compression schemes.

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