Method and apparatus to construct bi-directional predicted frames for temporal scalability
CA 2565645 C · Owner: Walker, Gordon Kent · Inventors: Walker, Gordon Kent; Raveendran, Vijayalakshmi R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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A method, apparatus and system for decoding a bi-directional picture predicted from two reference frames with a motion compensation codec that is capable of locating reference frame portions from only one reference frame at a time. Including locating a first reference frame portion from a first frame in a first pass, storing the first reference frame portion in memory; locating a second reference frame portion from a second frame in a second pass and , combining the first reference frame portion and the second reference frame portion to form a bi-directionally predicted portion. Also a method and , apparatus for restricting the encoding of a bi-directional picture predicted from two …
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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 May 2, 2005 and granted August 7, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 2, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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