Video transcoder with up-sampling

Details Video transcoder with up-sampling Video transcoder with up-sampling

2005-05-24

2005-05-24

Kelley, Chris (Department: 2613)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

Reexamination Certificate

active

06898241

ABSTRACT:
A method up-samples a compressed bitstream. The compressed bitstream is partially decoding to produce macroblocks. Each macroblock has DCT coefficients according to a predetermined dimensionality of the macroblock. DCT filters are applied to the DCT coefficients of each macroblock to generate up-sampled macroblocks for each macroblock, there is one up-sampled macroblock generated by each filter. Each generated up-sampled macroblock has the predetermined dimensionality.

REFERENCES:
patent: 6104434 (2000-08-01), Nakagawa et al.
patent: 6201844 (2001-03-01), Bailleul
patent: 6249549 (2001-06-01), Kim
patent: 6310915 (2001-10-01), Wells et al.
patent: 6647061 (2003-11-01), Panusopone et al.

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