Pixel interpolation method and related pixel interpolation system
US7161602B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 7, 2005 |
| Grant date | Jan 9, 2007 |
| Priority date | — |
| Expiry date | Apr 7, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N7/0142
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A pixel interpolation method includes: utilizing a plurality of pixel pairs on two successive scan lines to determine at least one first possible angle; utilizing a plurality of pixel value distribution trends of the two successive scan lines to determine at least one second possible angle; comparing pixel values of a plurality of pairs of neighboring pixels to detect whether the pixel values are larger than a threshold value in order to determine at least one third possible angle; determine a most appropriate angle according to the first, second, and third possible angles; detecting whether the most appropriate angle is correct by examining that the most appropriate angle is in a group; and utilizing a first pixel on the upper scan line of the two successive scan lines and a second pixel on the bottom scan line of the two successive scan lines to interpolate the a target pixel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.