Video signal processing
US6233018A · kind A · utility
2Cited by
5References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 7, 1999 |
| Grant date | May 15, 2001 |
| Priority date | — |
| Expiry date | Jun 7, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N7/012
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Video line interpolator has delays for providing simultaneous access to a current field and at least two adjacent fields; shifters for shifting the adjacent fields in accordance with vertical motion vectors rounded to even numbers of picture lines and an interpolation filter taking information from at least three line of each of the current and shifted adjacent fields, the contributions from said adjacent fields summing to zero at low frequencies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.