Dynamic sampling
US8446530B2 · kind B2 · utility
30Cited by
14References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 28, 2001 |
| Grant date | May 21, 2013 |
| Priority date | — |
| Expiry date | Jan 24, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/14
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A sampling system adapts the sampling rate for sampling analog signals and/or the stored number of samples to the fixed or video image content, such that a higher rate, and equivalently a larger number of samples, are acquired for an image or video segment containing higher spatial frequencies while a lower number of samples (lower sampling rate) are retained for image or video segments containing lower spatial frequencies. The Nyquist theorem may still be satisfied for each individual image segment, while information necessary for edge enhancement is retained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.