5 Image Compression (JPEG)
DOI: 10.1201/9781003420415-5
5.1 Introduction
JPEG is an excellent compression technique which produces lossy compression (although in one mode it is lossless). As seen from the previous chapter it has excellent compression ratio when applied to a color image. This chapter introduces the JPEG standard and the method used to compress an image. It also discusses the JFIF file standard which defines the file format for JPEG encoded images. Along with GIF files, JPEG is now one of the most widely used standards for image compression.
5.2 JPEG coding
A typical standard for image compression has been devised by the Joint Photographic Expert Group (JPEG), a subcommittee of the ISO/IEC, and the standards produced can be ...
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