Dynamic bit allocation in parallel video encoding
US9100509B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 7, 2012 |
| Grant date | Aug 4, 2015 |
| Priority date | — |
| Expiry date | Aug 13, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/436
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Techniques for efficient coding of digital media data are presented. A resource controller component dynamically allocates computing resources between an estimator component and a coder component. The estimator component generates initial motion estimation of a raw video frame of a sequence, based on a previous raw video frame, in parallel with the coder component encoding the previous raw video frame to generate a reconstructed previous video frame. The coder component encodes the raw video frame based on the reconstructed previous video frame. The coder component can dynamically allocate initial subsets of bits for respective coding units of the raw video frame based on residual data identified from the initial motion estimation. After completing encoding of a specified number of coding units, the coder component can dynamically adjust bit assignments for remaining coding units of the raw video frame based on initial residual data and identified real residual data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.