US Patent Application 18206499. METHOD AND APPARATUS FOR ENCODING/DECODING IMAGE, FOR PERFORMING DEBLOCKING FILTERING BY DETERMINING BOUNDARY STRENGTH, AND METHOD FOR TRANSMITTING BITSTREAM simplified abstract

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METHOD AND APPARATUS FOR ENCODING/DECODING IMAGE, FOR PERFORMING DEBLOCKING FILTERING BY DETERMINING BOUNDARY STRENGTH, AND METHOD FOR TRANSMITTING BITSTREAM

Organization Name

LG ELECTRONICS INC.


Inventor(s)

Hyeong Moon Jang of Seoul (KR)

Sangheon Lee of Seoul (KR)

METHOD AND APPARATUS FOR ENCODING/DECODING IMAGE, FOR PERFORMING DEBLOCKING FILTERING BY DETERMINING BOUNDARY STRENGTH, AND METHOD FOR TRANSMITTING BITSTREAM - A simplified explanation of the abstract

This abstract first appeared for US patent application 18206499 titled 'METHOD AND APPARATUS FOR ENCODING/DECODING IMAGE, FOR PERFORMING DEBLOCKING FILTERING BY DETERMINING BOUNDARY STRENGTH, AND METHOD FOR TRANSMITTING BITSTREAM

Simplified Explanation

The patent application describes a method and apparatus for encoding and decoding images.

  • The method for decoding images involves obtaining a reconstructed picture.
  • The target boundary of deblocking filtering in the reconstructed picture is determined.
  • A boundary strength is determined for the target boundary.
  • Deblocking filtering is applied to the target boundary based on the boundary strength.
  • The boundary strength is determined based on whether joint CbCr residual coding is performed on adjacent blocks.
  • Joint CbCr residual coding corresponds to encoding residual samples for chroma Cb and chroma Cr components as a single transform block.


Original Abstract Submitted

An image encoding/decoding method and apparatus are provided. An image decoding method according to the present disclosure may comprise obtaining a reconstructed picture, determining a target boundary of deblocking filtering in the reconstructed picture, determining a boundary strength for the target boundary, and applying deblocking filtering to the target boundary based on the boundary strength. Based on the target boundary being a transform block boundary and a color component of the reconstructed picture being a chroma component, the boundary strength may be determined based on whether joint CbCr residual coding is performed on at least one of two blocks adjacent to the target boundary, and the joint CbCr residual coding may correspond to encoding residual samples for a chroma Cb component and a chroma Cr component as a single transform block.