Methods, devices and systems for compressing images
US7245778B2 · kind B2 · utility
4Cited by
2References
19Claims
0Family size
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Key dates
| Filing date | Nov 12, 2002 |
| Grant date | Jul 17, 2007 |
| Priority date | — |
| Expiry date | Feb 4, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T9/005
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Methods, devices and systems for compressing images are provided. One method includes creating halftone mask structures and applying compression coding techniques to arrayed pixels sorted using the halftone mask structures in order to convert an image to a compressed bi-level, halftoned image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.