System and method of scaling images using adaptive nearest neighbor
US7142729B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2002 |
| Grant date | Nov 28, 2006 |
| Priority date | — |
| Expiry date | Jan 29, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T3/4007
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method for interpolating a target pixel from a plurality of source pixels in a high contrast image. The method comprises the following steps. A window of the plurality of source pixels is examined and compared with a plurality of predefined conditions for determining if a structure of significance is present within the window. A filter configuration is selected from a plurality of filter configurations in accordance with results of the comparison. The selected filter is applied to the source pixels for interpolating the target pixel. If the structure of significance is detected in the window, the selected filter best preserves the structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.