Method for predicting quantization parameter used in a video encoding/decoding apparatus
US12363279B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Aug 4, 2021 |
| Grant date | Jul 15, 2025 |
| Priority date | — |
| Expiry date | Oct 20, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/46
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed are a method and an apparatus for generating quantization parameters for generating a predicted quantization parameter for a quantization group using quantization parameters of a frame encoded/decoded previously in time. The method and the apparatus may achieve an effect of improving prediction performance for the quantization parameter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.