Moving picture coding method and moving picture decoding method
CA 2432453 C · Owner: Kadono, Shinya · Inventors: Kadono, Shinya; Kondo, Satoshi; Hagai, Makoto
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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According to the present invention, a moving picture coding apparatus (70) for performing inter-picture predictive coding for pictures constituting a moving picture is provided with a coding unit (103) for performing predictive error coding for image data; a decoding unit (105) for performing predictive error decoding for an output from the coding unit (103); a reference picture memory (117) for holding output data from the decoding unit (105); and a motion vector detection unit (108) for detecting motion vectors on the basis of the decoded image data stored in the memory. When coding a B picture as a target picture information indicating whether or not the target picture should …
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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.
Why it's free to use
- Filed November 6, 2002 and granted March 19, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 6, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 6, 2024.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.