Device and method of selecting an intra mode of a coding unit
US11051013B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Nov 12, 2019 |
| Grant date | Jun 29, 2021 |
| Priority date | — |
| Expiry date | Nov 12, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/186
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A selection module for selecting an intra mode comprises a histogram of oriented gradient (HOG) module, for receiving a coding unit (CU), to select four angular modes from 33 angular modes of the CU, a DC mode of the CU and a planar mode of the CU; and a decision module, couple to the HOG module, for receiving the six modes from the HOG module, to compare the six modes according to a Split Sum of Absolute Transformed Difference (SSATD) algorithm, to select one of the six modes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.