O'Reilly logo

Digital Signal Processing 101, 2nd Edition by Michael Parker

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 24

DCT, Entropy, Predictive Coding, and Quantization

Abstract

In this chapter, we will discuss some of the basic concepts used in data compression, including video and image compression. Up until now, we have considered only uncompressed video formats, such as RGB or YCrCb, where each pixel is individually represented (although this is not strictly true for 4:2:2 or 4:2:0 forms of YCrCb). However, much greater levels of compression are possible with little loss of video quality. Reducing the data needed to represent an individual image or a sequence of video frames is very important when considering how much storage is needed on a camera flash chip or computer hard disk, or the bandwidth needed to transport cable or satellite television, ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required