Motion compensation method and device using bi-directional optical flow
US11297344B2 · kind B2 · utility
6Cited by
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8Claims
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Key dates
| Filing date | Aug 29, 2018 |
| Grant date | Apr 5, 2022 |
| Priority date | — |
| Expiry date | Aug 29, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/577
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed herein is a method for adaptive bidirectional optical flow estimation for inter-screen prediction compensation during video encoding. The method aims to reduce complexity and/or cost of bidirectional optical flow (BIO) at a pixel level or a subblock level.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.