tailieunhanh - Lecture BSc Multimedia - Chapter 11: JPEG
Chapter 11 provides knowledge of JPEG. This chapter presents the following content: What is JPEG? Basic JPEG compression pipeline, major coding algorithms in JPEG, quantisation, quantisation tables, differential pulse code modulation (DPCM) on DC component, run length encode (RLE) on AC components,. | CM3106 Chapter 11 JPEG Prof David Marshall and Dr Kirill Sidorov CARDIFF UNIVERSITY PRIFYSCOL CAERpv School of Computer Science Informatics Cardiff University UK Compression Images JPEG What is JPEG JPEG Joint Photographic Expert Group an international standard since 1992. Works with colour and greyscale images. Up to 24 bit colour images unlike GIF Target photographic quality images unlike GIF Suitable for many applications . satellite medical general photography. Basic idea The human eye is less sensitive to higher-frequency information. Also less sensitive to colour than to intensity. CM3106 Chapter 11 JPEG JPEG Overview 1 Basic JPEG Compression Pipeline JPEG compression involves the following Decoding reverse the order for encoding. CM3106 Chapter 11 JPEG JPEG Overview
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