Method, device, and computer-readable medium for video coding and decoding
US8537888B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 8, 2010 |
| Grant date | Sep 17, 2013 |
| Priority date | — |
| Expiry date | Nov 21, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/61
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method, device, and computer-readable medium for video coding or decoding wherein a number of blocks of residual picture data respectively stored in a number of first data arrays in a memory of a computer device represent at least a part of a video picture to be coded or decoded. The method includes calculating DC coefficients respectively associated with the blocks and inserting the DC coefficients in a second data array in a block associative order, classifying each of the blocks as skipped in response to an associated DC coefficient being lower than a predefined threshold, and non-skipped in response to the associated DC coefficient being higher than a predefined threshold, generating a bit mask containing 1-bits in positions corresponding to positions in the second data array having DC coefficients higher than the predefined threshold, and 0-bits in positions corresponding to positions in the second data array having DC coefficients lower than the predefined threshold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.