Weighted inverse topography method for digital x-ray image data processing
US6381351B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 24, 1999 |
| Grant date | Apr 30, 2002 |
| Priority date | — |
| Expiry date | Nov 24, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N23/04
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for displaying on a display medium an image corresponding to detected exposures of a plurality of pixels converted to a matrix having n rows and m columns of digital values. The method comprises creating a weighted, smoothed, subtracted matrix, adding the weighted, smoothed, subtracted matrix to the starting matrix to produce an enhanced matrix; and then using the digital values from the enhanced matrix to display an image. Preferably, a sampled submatrix of digital values having n/I rows and m/I columns is created from the starting matrix from which is compiled a weighted, smoothed, subtracted submatrix that is then extrapolated to create the weighted, smoothed, subtracted matrix. A program storage device for carrying out the method, a digital x-ray image data capture system, and a method of using the system of this invention are also claimed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.