Methods for encrypting and compressing video
US8189664B2 · kind B2 · utility
5Cited by
16References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 18, 2007 |
| Grant date | May 29, 2012 |
| Priority date | — |
| Expiry date | Jan 17, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/2347
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for compressing and transmitting a sequence of video frames represented by arrays of digital pixel values includes the following steps: transmitting a representation of a first frame (I1) of the sequence; deriving a sorting permutation P1 of the first frame; using the sorting permutation of the first frame, P1, to approximately sort a second frame (I2) of the sequence, to obtain approximately sorted frame P1(I2); and compressing and transmitting the approximately sorted frame P1(I2).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.