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United States Patent | 6,018,562 |
Willson | January 25, 2000 |
An apparatus and method for automatic recognition and identification of concealed objects and features thereof, such as contraband in baggage or defects in articles of manufacture, is disclosed. The apparatus uses multiple energy X-ray scanning to identify targets with a spectral response corresponding to a known response of targets of interest. Detection sensitivity for both automatic detection and manual inspection are improved through the multiple-energy, multispectral technique. Multichannel processing is used to achieve high throughput capability. Target identification may be verified through further analysis of such attributes as shape, texture, and context of the scan data. The apparatus uses a statistical analysis to predict the confidence level of a particular target identification. A radiograph, CT image, or both may be reconstructed and displayed on a computer monitor for visual analysis by an operator. Finally, the apparatus may receive and store input from the operator for use in subsequent target identification.
Inventors: | Willson; Paul D. (Rockaway, NJ) |
---|---|
Assignee: |
The United States of America as represented by the Secretary of the Army
(Washington,
DC)
|
Family ID: | 27358169 |
Appl. No.: | 09/087,694 |
Filed: | May 22, 1998 |
Application Number | Filing Date | Patent Number | Issue Date | ||
---|---|---|---|---|---|
968799 | Nov 17, 1997 | ||||
591839 | Jan 25, 1996 | ||||
Current U.S. Class: | 378/9; 378/57 |
Current CPC Class: | G01N 23/087 (20130101) |
Current International Class: | G01N 23/16 (20060101); G01N 23/02 (20060101); G01N 023/16 () |
Field of Search: | ;378/5,9,57 |
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4651005 | March 1987 | Baba et al. |
5175756 | December 1992 | Pomgratz et al. |
5524133 | June 1996 | Neale et al. |
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