Patent · US Active

Apparatus and method for efficient motion estimation for different block sizes

US10621731B1 · kind B1 · utility

7Cited by
2References
12Claims
0Family size

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Key dates

Filing dateMay 22, 2017
Grant dateApr 14, 2020
Priority date
Expiry dateJul 17, 2037

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N19/543
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A hardware video encoder includes a first inter-picture prediction search processor to perform at least one coarse search at a designated block size. The at least one coarse search utilizes a down-sampled version of an image to determine motion vectors. A second inter-picture prediction search processor performs motion vector refinement searches on pixels of the image for multiple block sizes. Searches of at least one block size utilize the motion vectors. A third inter-picture prediction search processor performs fractional pixel motion vector refinement searches on interpolated values of the pixels of the image for multiple block sizes in parallel.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.