Interframe encoding method and apparatus
CA 2449709 A1 · Owner: Irvine, Ann Chris · Inventors: Raveendran, Vijayalakshmi R.; Irvine, Ann Chris
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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In a system for encoding digital video a method of interframe coding is , described. A sequence of digital video frames may be expressed as anchor frames and at least one associated subsequent frame. The plurality of pixels (304) of the anchor frame and each subsequent frame are converted from pixel domain elements to the frequency domain elements (312). The elements are quantized (316) to emphasize those elements that are more sensitive to the human visual system and de-emphasize those elements that are less sensitive to the human visual system. The difference between each quantized frequency domain element of the anchor frame and corresponding quantized frequency domain elements …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
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- Filed June 6, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 6, 2022.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.