Displacement data coding for dynamic mesh coding
AssigneeBytedance Inc.
InventorJizheng XU
Life of this patent
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Abstract
A mechanism for processing video data is disclosed. The mechanism includes determining to process displacement data coded in a 4:2:2 video format the same as displacement data coded in a 4:2:0 video format. A conversion is performed between a visual media data and a bitstream based on the displacement data.
Claims20
A method for processing media data, comprising:
- performing a conversion between displacement data for dynamic mesh coding and a bitstream according to a format rule, wherin the displacement data is represented as a video, and
- wherein the format rule specifies that a displacement component of the displacement data is derived from a color component of the video based on a video format for coding the displacement data being a specific video format and a value of a displacement dimension varible (DisplacementDim), and the specific video format comprises at least one of a 4:2:0 video format, a 4:2:2 video format, or a 4:0:0 video format.
An apparatus for processing media data comprising a processor and a non-transitory memory with instructions thereon, wherein the instructions upon execution by the processor, cause the processor to:
- perform a conversion between displacement data for dynamic mesh coding and a bitstream according to a format rule, wherin the displacement data is represented as a video, and
- wherein the format rule specifies that a displacement component of the displacement data is derived from a color component of the video based on a video format for coding the displacement data being a specific video format and a value of a displacement dimension varible (DisplacementDim), and the specific video format comprises at least one of a 4:2:0 video format, a 4:2:2 video format or a 4:0:0 video format.
A non-transitory computer-readable storage medium storing instructions that cause a processor to:
- perform a conversion between displacement data for dynamic mesh coding and a bitstream according to a format rule, wherin the displacement data is represented as a video, and
- wherein the format rule specifies that a displacement component of the displacement data is derived from a color component of the video based on a video format for coding the displacement data being a specific video format and a value of a displacement dimension varible (DisplacementDim), and the specific video format comprises at least one of a 4:2:0 video format, a 4:2:2 video format or a 4:0:0 video format.
A non-transitory computer-readable recording medium storing a bitstream of a video which is generated by a method performed by a video processing apparatus, wherein the method comprises:
- generating the bitstream from displacement data for dynamic mesh coding according to a format rule, wherin the displacement data is represented as the video, and
- wherein the format rule specifies that a displacement component of the displacement data is derived from a color component of the video based on a video format for coding the displacement data being a specific video format and a value of a displacement dimension varible (DisplacementDim), and the specific video format comprises at least one of a 4:2:0 video format, a 4:2:2 video format or a 4:0:0 video format.
Dependencies are inferred from the claim text.