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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0006828 (1993-01-21) |
| 발명자 / 주소 |
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| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 328 인용 특허 : 0 |
An apparatus for detecting concealed objects, such as explosives, drugs, or other contraband is disclosed. The apparatus uses CT scanning to identify concealed objects with a density corresponding to the density of target objects such as explosives or drugs. To reduce the amount of CT scanning requi
An apparatus for detecting concealed objects, such as explosives, drugs, or other contraband is disclosed. The apparatus uses CT scanning to identify concealed objects with a density corresponding to the density of target objects such as explosives or drugs. To reduce the amount of CT scanning required, a number of prescanning approaches are disclosed. Based upon the prescan data, selected locations for CT scanning are identified. CT scanning is undertaken at the selected locations. The resultant CT scan data is utilized to automatically identify objects of interest. This identification of objects may be verified through further automatic analysis of such attributes as shape, texture, context, and X-ray diffraction. Finally, the objects of interest may be reconstructed and displayed on a computer monitor for visual analysis by an operator.
An apparatus for automatically detecting a target object within a container, said apparatus comprising: means for prescanning said container to form prescan data; means for determining a first selected location and a second selected location for CT scanning of said container, said determining means
An apparatus for automatically detecting a target object within a container, said apparatus comprising: means for prescanning said container to form prescan data; means for determining a first selected location and a second selected location for CT scanning of said container, said determining means utilizing said prescan data; means for simultaneously CT scanning said container at said first selected location and said second selected location to form CT data, said CT scanning means being responsive to said determining means; and means for analyzing said CT data to identify target object data within said CT data having an associated mass corresponding to an associated mass of said target object in said container, said analyzing means receiving said CT data from said scanning means.
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