Data decompression system and method
US5048112A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 25, 1990 |
| Grant date | Sep 10, 1991 |
| Priority date | — |
| Expiry date | Apr 25, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/411
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Data decompression of an image is implemented by reconstructing blocks of pixels from a table that stores orthogonal icons and related attributes representing a data compressed image. Each block of pixels is processed independently of all other blocks. Orthogonal processing is employed to reconstruct orthogonal features that relate to manufactured elements in an image. An optimum set of orthogonal icons and an optimum set of attributes for each icon are employed to further improve data decompression and fidelity. The optimal set of orthogonal icons includes a flat icon, an edge icon, a ribbon icon, a corner icon and a spot icon. The optimal set of attributes includes average intensities, intensity transition position and separation, and angle of the principal axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.