Pulse or digital communications – Bandwidth reduction or expansion
Reexamination Certificate
2006-01-19
2010-11-02
Payne, David C (Department: 2611)
Pulse or digital communications
Bandwidth reduction or expansion
C704S500000, C710S068000, C382S276000, C382S232000, C382S251000
Reexamination Certificate
active
07826527
ABSTRACT:
A method for video data stream integration and compensation includes using a discrete wavelet transform technique to compress and encode key frames of a video signal, and a discrete cosine transform technique to process interframe computations of the video signal, and automatically compensating and adjusting the video signal according to different factors. Since the key frames are not likely to be distorted when processed using discrete wavelet transform, and since the use of discrete cosine transform to process interframe computation facilitates realization of high-speed computations and permits fine macroblock computations, the reception quality of the video signal can be maintained.
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Kassa Zewdu
Ladas & Parry LLP
Payne David C
Softfoundry International Pte Ltd.
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