Controlling a video content system by computing a frame quality score
US9491464B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 28, 2012 |
| Grant date | Nov 8, 2016 |
| Priority date | — |
| Expiry date | Aug 7, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/182
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
According to examples of the presently disclosed subject matter, a method of controlling a video content system can include: obtaining a current input frame and a preceding input frame from an input video sequence and obtaining a current degraded frame and a preceding degraded frame from a degraded video sequence corresponding to the input video sequence; computing a first differences value from the current input and the preceding input frames and a second differences value from the current degraded frame and the preceding degraded frame, comparing the first and second differences values, giving rise to an inter-frame quality score; computing an intra-frame quality score using an intra-frame quality measure that is applied in the pixel-domain of the current degraded frame and the current input frame and providing a configuration instruction to the video content system based on a quality criterion related to the inter-frame and the intra-frame quality scores.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.