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US 2025/0220181 A1Published application
Displacement quantization syntax
AssigneesSony Group Corporation, Sony Corporation of America
InventorsDanillo Graziosi, Ali Tabatabai
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Abstract
Quantization-related parameters are removed from the lifting transform parameters structure and have an independent structure referred to as quantization parameters that will contain the quantization-related information. The modified implementation has no performance difference from a reference implementation, and the modified implementation now can address displacement quantized values, even if they were not transformed.
Claims20
A method programmed in a non-transitory memory of a device comprising:
- storing lifting transform information in a lifting transform structure;
- and
- storing quantization parameter information in a quantization parameter structure, wherein the lifting transform structure is independent from the quantization parameter structure.
An apparatus comprising:
- a non-transitory memory for storing an application, the application for:
- storing lifting transform information in a lifting transform structure;
- and
- storing quantization parameter information in a quantization parameter structure, wherein the lifting transform structure is independent from the quantization parameter structure;
- and
- a processor coupled to the memory, the processor configured for processing the application.
3 more elements
A system comprising:
- an encoder configured for:
- storing lifting transform information in a lifting transform structure;
- and
- storing quantization parameter information in a quantization parameter structure, wherein the lifting transform structure is independent from the quantization parameter structure;
- and
- a decoder configured for reconstructing a mesh with the lifting transform information and the quantization parameter information.
3 more elements
Dependencies are inferred from the claim text.