Image signal encoding with variable low-pass filter
US6026190A · kind A · utility
31Cited by
13References
25Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 31, 1994 |
| Grant date | Feb 15, 2000 |
| Priority date | — |
| Expiry date | Oct 31, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/60
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A computer-implemented method and apparatus for encoding image signals. According to a preferred embodiment, an image signal is received. A strength S of a variable low-pass filter having a variable strength is selected. The low-pass filter means is applied at strength S to the image signal. The filtered image signal is encoded to provide an encoded bitstream representative of the current image signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.