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System and method for motion compensation and frame rate conversion

  • US 6,442,203 B1
  • Filed: 11/05/1999
  • Issued: 08/27/2002
  • Est. Priority Date: 11/05/1999
  • Status: Expired due to Fees
First Claim
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1. A method of temporal processing of motion picture image frames each comprising a plurality of pixels, including the steps of:

  • (a) determining at least one motion vector corresponding to each pixel of a current frame relative to at least one previous or subsequent image frame by performing a hierarchical motion vector search including at least;

    (1) a first search between a matching region associated with each pixel of the current frame and a sequence of search regions at a first resolution within such at least one previous or subsequent image frame; and

    (2) a second search between the matching region and a sequence of search regions at a second resolution within such at least one previous or subsequent image frame;

    (b) saving the determined motion vectors.

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