access icon free Concluding remarks

Over the last 10 years, the compression efficiency of MPEG algorithms has improved significantly, and once all the compression tools of MPEG-4 (AVC) have been fully exploited, it is difficult to see how it could be advanced even further. However, as processing power seems to increase steadily according to Moore's Law, more advanced algorithms can be conceived, and the question is not whether new compression algorithms will be developed, but rather at what point a new standard should be defined. Apart from MPEG, there are many research programmes and initiatives that could lead to future, more efficient, video compression standards. One of the areas in which compression efficiency could improve on MPEG-4 (AVC) is how to deal with texture with random motion, for example splashing water. This type of content contains little redundancy and is difficult to compress. It has been shown that by synthesising such picture areas rather than trying to compress them, significant coding gains can be achieved.

Inspec keywords: data compression; audio coding; code standards; concatenated codes; video codecs; video coding

Other keywords: MPEG-4 (AVC); concatenated codecs; video compression standards; MPEG algorithms; video coding

Subjects: Image and video coding

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