System and method for transitioning between two filters, allowing for the use of higher order interpolation
US6414682B1 · kind B1 · utility
3Cited by
11References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 28, 1998 |
| Grant date | Jul 2, 2002 |
| Priority date | — |
| Expiry date | Dec 28, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F17/17
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present invention provides a system, apparatus and method for filtering an image that produces output images having high resolution without visual discontinuity across a wide range of resize ratios. The invention includes a linear filter for source images requiring low magnification and a higher order filter for source images requiring high magnification. In the transition region an interpolation is performed between the linear and higher order filters to provide a smooth transition in filtering and magnification to produce an output image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.