Method for statistically lossless compression of digital projection radiographic images
US6269193A · kind A · utility
11Cited by
9References
8Claims
0Family size
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Key dates
| Filing date | Dec 21, 1998 |
| Grant date | Jul 31, 2001 |
| Priority date | — |
| Expiry date | Dec 21, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T9/005
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method of automatically compressing and decompressing a digital image that is comprised of the following steps: acquiring a digital image through an image acquisition system; generating a look-up-table (companding function) based upon noise characteristics of the image acquisition system; applying the companding function to the image; processing the image using a lossless compression algorithm; reconstructing the image using the associated decompression algorithm; and applying the inverse of the companding function to the image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.