140-Mbit/s HDTV coding using subband and hybrid techniques

Details 140-Mbit/s HDTV coding using subband and hybrid techniques 140-Mbit/s HDTV coding using subband and hybrid techniques

Dec 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991spie.1567..578a&link_type=abstract

Proc. SPIE Vol. 1567, p. 578-588, Applications of Digital Image Processing XIV, Andrew G. Tescher; Ed.

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To realize the complex algorithms of encoding and decoding HDTV signals at the required pixel rate, it is advisable to split the image into several data channels. These channels have to be processed in parallel. As an alternative to splitting the image into horizontal or vertical stripes, the image can be split into different frequency bands. In this paper, a coding scheme for HDV signals, based on band splitting and band interpolation, is presented (the abbreviation HDV is used for high-definition video, symbolizing the use of the presented codec for more than television purposes). The concept of subband coding in combination with motion compensated prediction and transform coding is described.

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