Method and apparatus employing erosion-based filter pairs for image mapping
US5680485A · kind A · utility
16Cited by
17References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 1994 |
| Grant date | Oct 21, 1997 |
| Priority date | — |
| Expiry date | Dec 19, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/4055
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention is a method and apparatus for mapping digital image data using paired erosion-based filters. One filter of the pair creates a superset of the output image data and the other a subset of the output image data, and combinatorial logic is then applied to the superset and subset data to obtain the mapped image data. In one embodiment a plurality of erosion-based filters are used where one filter of the pair is extensive and the other filter is antiextensive, each pair generating a sample phase of a high resolution output image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.