Automatic control of visual parameters in video processing
US8279349B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 17, 2009 |
| Grant date | Oct 2, 2012 |
| Priority date | — |
| Expiry date | Apr 9, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30236
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Embodiments of the invention are directed to a system and method for controlling visual parameters of a capturing device to minimize clipping and saturation according to predefined parameters. The method may include processing pixel values of a current input frame of a received video signal captured by a capturing device; accumulating processing results of the current input frame to processing results of one or more previous input frames and calculating a desired dynamic range based on pre-determined user parameters. The processing may further include checking if the accumulated results are within the desired dynamic range and determining if adjustment is desired. If the accumulated results are not within the desired dynamic range, adjusting visual parameters for a subsequent input frame, by controlling the capturing device and if the accumulated results are within the desired dynamic range maintaining current visual parameters of the current input frame for the subsequent input frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.