October 2017
Intermediate to advanced
790 pages
46h 35m
English
Content preview from Introduction to Data Compression, 5th Edition
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Chapter 13
Transform Coding
Abstract
In this chapter, we will describe a technique in which the source output is decomposed, or transformed, into components that are then coded according to their individual characteristics. We will then look at a number of different transforms, including the popular discrete cosine transform, and discuss the issues of quantization and coding of the transformed coefficients. This chapter concludes with a description of the baseline sequential JPEG image-coding algorithm and some of the issues involved with transform coding of audio signals.
Keywords
Linear transforms; Karhunen–Loéve transform (KLT); Discrete cosine transform (DCT); Discrete Walsh–Hadamard transform (DWHT); JPEG; JFIF; MDCT
13.1 Overview ...
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