Patent · US Active

Multi-angle adaptive intra-frame prediction-based point cloud attribute compression method

US10939123B2 · kind B2 · utility

26Cited by
3References
6Claims
0Family size

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Key dates

Filing dateMay 15, 2018
Grant dateMar 2, 2021
Priority date
Expiry dateMay 15, 2038

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N19/96
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Disclosed is a multi-angle adaptive intra-frame prediction-based point cloud attribute compression method. A novel block structure-based intra-frame prediction scheme is provided for point cloud attribute information, where six prediction modes are provided to reduce information redundancy among different coding blocks and improve the point cloud attribute compression performance. The method comprises: (1) inputting a point cloud; (2) performing point cloud attribute color space conversion; (3) dividing a point cloud by using a K-dimensional (KD) tree to obtain coding blocks; (4) performing block structure-based multi-angle adaptive intra-frame prediction; (5) performing intra-frame prediction mode decision; and (6) performing conversion, uniform quantization, and entropy encoding.

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