JPEG2000, a newly developed international standard for still image compression. It can provide superior objective and subjective image quality and can reduce file size by 40% compared with JPEG while retaining the same visual quality.Rate control or rate allocation is of great necessity to control t.....
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ASCII art is a technique of composing pictures with text characters. It stemmed from the inability of graphical presentation on early computers. Even with the wide availability of digital images and graphics nowadays, ASCII art remains popular due to the enormous growth of text-based communication.....
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Due to huge size of the raw digital video data (or image sequences), compression must be applied such data so that they may be transmitted and stored. There have been many important video compression standards, including the ISO/IEC MPEG-1, MPEG-2, MPEG-4 standards and the ITU-T H.261, H.263, H.263+.....
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The Internet has been a widely-adopted means of media distribution in these days especially after the introduction of MPEG file format. To gain control over listeners', on-line suppliers of music files use authentication schemes to control listeners' access and access mode. Such arrangements requir.....
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Media streaming is getting more and more important as an essential service with the increasing popularity of broadband Internet access. Video-on-demand (VoD) is one of such services where movies are delivered to desktops of distributed users with low delay and free interactivity. However, VoD is not.....
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