Arithmetic encoding and decoding method based on semantic source and related device
US12192467B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 25, 2024 |
| Grant date | Jan 7, 2025 |
| Priority date | — |
| Expiry date | Sep 25, 2044 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/91
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed is an arithmetic encoding method based on a semantic source, which is applied to an encoder. In this method, a preset encoding interval of the semantic source and a syntax symbol sequence containing syntax symbols are obtained. For each syntax symbol of the syntax symbols, a target synonymous subset of the syntax symbol is determined from preset synonymous subsets of the syntax symbol. The target synonymous subset of the syntax symbol is encoded according to the preset encoding interval through an arithmetic encoding algorithm to obtain an encoded result sequence corresponding to the syntax symbol sequence. After obtaining a sequence length of the syntax symbol sequence, the sequence length and the encoded result sequence are sent to a decoder for decoding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.