Filtering circuit for image signal processing
US6697533B1 · kind B1 · utility
0Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 24, 2000 |
| Grant date | Feb 24, 2004 |
| Priority date | — |
| Expiry date | Mar 24, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T5/20
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A filtering circuit for image signal processing has a high frequency filtering circuit and a low frequency filtering circuit. The high frequency filtering circuit only includes one adder to obtain a high frequency component. The low frequency filtering circuit includes one adder and utilizes the high frequency component generated by the high frequency filtering circuit to obtain a low frequency component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.