최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | UP-0268749 (2005-11-08) |
등록번호 | US-7734102 (2010-06-29) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 8 인용 특허 : 386 |
A system for screening cargo containers is provided including an image generation device, an apparatus for screening cargo containers and an output module. The image generation device generates an image signal conveying information related to the contents of the cargo container. The apparatus receiv
A system for screening cargo containers is provided including an image generation device, an apparatus for screening cargo containers and an output module. The image generation device generates an image signal conveying information related to the contents of the cargo container. The apparatus receives the image signal and a list of objects conveying objects expected to be present in the cargo container. A processing unit processes the image signal in combination with the list of objects and a group of target images associated with objects to derive mismatch information data. The mismatch information data conveys at least one distinction between the list of objects and the information related to the contents of the cargo container conveyed by the image signal. Information conveying the mismatch information data is released and conveyed to a user of the system by an output module.
The invention claimed is: 1. A method for screening a cargo container, said method being implemented by a computing apparatus having a processor, said method comprising: a) receiving at said computing apparatus image data associated with the cargo container and conveying information related to cont
The invention claimed is: 1. A method for screening a cargo container, said method being implemented by a computing apparatus having a processor, said method comprising: a) receiving at said computing apparatus image data associated with the cargo container and conveying information related to contents of the cargo container, said image data being derived by subjecting the cargo container to penetrating radiation; b) receiving at said computing apparatus a list of objects conveying objects expected to be present in the cargo container; c) using the processor of said computing apparatus; i. obtaining a group of target images based at least in part on the list of objects, the target images in said group corresponding to respective objects in the list of objects; and ii. processing the image data associated with the cargo container in combination with the group of target images to derive mismatch information data, said mismatch information data conveying at least one distinction between the list of objects and the information related to the contents of the cargo container conveyed by the image data; d) releasing at an output of said computing apparatus the mismatch information data. 2. A method as defined in claim 1, wherein said list of objects is a first list of objects, said method comprising: a) using the processor of said computing apparatus, processing the image data associated with the cargo container in combination with the group of target images to detect a presence of at least one object in the cargo container; b) using the processor of said computing apparatus, generating a second list of objects, the second list of objects conveying objects whose presence in the container was detected on the basis of the processing in a); c) using the processor of said computing apparatus, comparing the second list of objects with the first list of objects to derive the mismatch information data. 3. A method as defined in claim 2, wherein said mismatch information data conveys at least one object present in the first list of objects but absent from the second list of objects. 4. A method as defined in claim 2, wherein said first list of objects is derived from a manifest associated with the container. 5. A method as defined in claim 4, wherein obtaining the group of target images includes processing a database of target images on the basis of the first list of objects, the group of target images being a subset of the database of target images. 6. A method as defined in claim 1, wherein said image data conveys an x-ray image. 7. A method as defined in claim 1, wherein said method comprises using the processor of said computing apparatus to cause a display unit to convey the mismatch information data to a human operator. 8. A method as defined in claim 1, wherein said computing apparatus has access to a computer readable storage medium, said method comprises: a) using the processor of said computing apparatus, generating log information data elements conveying the mismatch information data; b) storing said log information data elements on the computer readable storage medium. 9. A method as defined in claim 8, wherein said log information data elements include a time stamp data element. 10. A method as defined in claim 2, wherein processing the image data associated with the container in combination with the group of target images to detect a presence of at least one object in the container comprises effecting a correlation operation between data derived from the image data and at least one target image in the group of target images. 11. A method as defined by claim 10, wherein said correlation operation is effected at least in part by an optical correlator. 12. A method as defined by claim 10, wherein said correlation operation is effected at least in part by a digital correlator. 13. A method as defined in claim 1, wherein the image data associated with the cargo container conveys a two-dimensional image. 14. A method as defined in claim 1, wherein the image data associated with the cargo container conveys a three-dimensional image. 15. A method as defined in claim 4, wherein said cargo container is associated to a cargo identifier data element, said method comprising using the processor of said computing apparatus for processing the cargo identifier data element in combination with a cargo container database to identify a manifest associated with the cargo container. 16. A method as define in claim 1, wherein the image data associated with the cargo container is derived by subjecting the cargo container to penetrating radiation using at least two sources of penetrating radiation, the at least two sources being positioned in different orientations. 17. An apparatus for screening a cargo container, said apparatus comprising: a) a first input for receiving image data associated with the cargo container and conveying information related to the contents of the cargo container, said image data being derived by subjecting the cargo container to penetrating radiation; b) a second input for receiving a first list of objects conveying objects expected to be present in the cargo container; c) a processing unit in communication with said first and second input, said processing unit being programmed for: i. obtaining a group of target images based at least in part on the list of objects, the target images in said group corresponding to respective objects in the list of objects; and ii. processing the image data associated with the cargo container in combination with the group of target images to derive mismatch information data, said mismatch information data conveying at least one distinction between the list of objects and the information related to the contents of the cargo container conveyed by the image data; d) an output for releasing the mismatch information data. 18. An apparatus as defined in claim 17, wherein said list of objects is a first list of objects, said processing unit being operative for: a) processing the image data associated with the cargo container in combination with the group of target images to detect a presence of at least one object in the cargo container; b) generating a second list of objects, the second list of objects conveying objects whose presence in the container was detected on the basis of the processing in a); c) comparing the second list of objects with the first list of objects to derive the mismatch information data. 19. An apparatus as defined in claim 18, wherein said mismatch information data conveys at least one object present in the first list of objects but absent from the second list of objects. 20. An apparatus as defined in claim 18, wherein said first list of objects is derived from a manifest associated with the container. 21. An apparatus as defined in claim 20, wherein obtaining the group of target images includes processing a database of target images on the basis of the first list of objects, the group of target images being a subset of the database of target images. 22. An apparatus as defined in claim 17, wherein said image data conveys an x-ray image. 23. An apparatus as defined in claim 18, wherein said output is adapted for releasing a signal for causing a display unit to convey the mismatch information data. 24. An apparatus as defined in claim 18, wherein said processing unit is programmed for: a) generating log information data elements conveying the mismatch information data; b) storing said log information data elements on a computer readable storage medium. 25. An apparatus as defined in claim 24, wherein said log information data elements include a time stamp data element. 26. An apparatus as defined in claim 18, wherein processing the image data associated with the container in combination with a group of target images to detect a presence of at least one object in the container comprises effecting a correlation operation between data derived from the image data and at least one target image in the group of target images. 27. An apparatus as defined by claim 26, wherein said correlation operation is effected at least in part by an optical correlator. 28. An apparatus as defined by claim 26, wherein said correlation operation is effected at least in part by a digital correlator. 29. An apparatus as defined in claim 18, wherein the image data associated with the cargo container conveys a two-dimensional image. 30. An apparatus as defined in claim 18, wherein the image data associated with the cargo container conveys a three-dimensional image. 31. An apparatus as defined in claim 20, wherein said cargo container is associated to a cargo identifier data element, said processing unit being operative for processing the cargo identifier data element in combination with a cargo container database to identify a manifest associated with the cargo container. 32. An apparatus as defined in claim 18, wherein said group of target images includes data elements indicative of Fourier transforms of target images. 33. An apparatus as defined in claim 18, wherein said processing unit includes an optical correlator, said optical correlator being operative for: a) processing the image data associated with the cargo container to derive a first Fourier transform data element, said first Fourier transform data element being indicative of a Fourier transform of the image data associated with the cargo container; b) computing a correlation operation between the first Fourier transform data element and at least one Fourier transform of target images to detect a presence of at least one target object in the cargo container. 34. A system for screening cargo containers, said system comprising: a) an image generation device suitable for using penetrating radiation to generate image data associated with a cargo container and conveying information related to the contents of the cargo container; b) an apparatus in communication with said image generation device, said apparatus comprising: i. a first input for receiving the image data associated with the cargo container; ii. a second input for receiving a list of objects conveying objects expected to be present in the cargo container; iii. a processing unit in communication with said first and second input, said processing unit being programmed for: (a) obtaining a group of target images based at least in part on the list of objects, the target images in said group corresponding to respective objects in the list of objects; and (b) processing the image data associated with the cargo container in combination with the group of target images to derive mismatch information data, said mismatch information data conveying at least one distinction between the list of objects and the information related to the contents of the cargo container conveyed by the image data; iv. an output for releasing the mismatch information data; c) an output module for conveying to a user of the system information derived at least in part on the basis of said mismatch information data. 35. A system as defined in claim 34, wherein said list of objects is a first list of objects, said processing unit being operative for: a) processing the image data associated with the cargo container in combination with the group of target images to detect a presence of at least one object in the cargo container; b) generating a second list of objects, the second list of objects conveying objects whose presence in the container was detected on the basis of the processing in a); c) comparing the second list of objects with the first list of objects to derive the mismatch information data. 36. A system as defined in claim 35, wherein said mismatch information data conveys at least one object present in the first list of objects but absent from the second list of objects. 37. A system as defined in claim 35, wherein said first list of objects is derived from a manifest associated with the container. 38. A system as defined in claim 37, wherein obtaining the group of target images includes processing a database of target images on the basis of the first list of objects, the group of target images being a subset of the database of target images. 39. A system as defined in claim 35, wherein said output module includes a display screen for conveying to a user of the system information derived at least in part on the basis of said mismatch information in visual format. 40. A system as defined in claim 35, wherein said output module includes an audio output for conveying to a user of the system information derived at least in part on the basis of said mismatch information in audio format. 41. A system as defined in claim 35, wherein said processing unit is programmed for: a) generating log information data elements conveying the mismatch information; b) storing said log information data elements on a computer readable storage medium. 42. A system as defined in claim 35, wherein processing the image data associated with the container in combination with a group of target images to detect a presence of at least one object in the container comprises effecting a correlation operation between data derived from the image data and at least one target image in the group of target images. 43. A system as defined by claim 42, wherein said correlation operation is effected at least in part by an optical correlator. 44. A system as defined by claim 42, wherein said correlation operation is effected at least in part by a digital correlator. 45. A system as defined in claim 34, wherein the penetrating radiation is selected from the set consisting of x-ray, gamma-ray, computed tomography (CT scans) and millimeter wave. 46. A system as defined in claim 37, wherein said cargo container is associated to a cargo identifier data element, said processing unit being operative for processing the cargo identifier data element in combination with a cargo container database to identify a manifest associated with the cargo container. 47. A system as defined in claim 35, wherein said group of target images includes data elements indicative of Fourier transforms of target images. 48. A system as defined in claim 47, wherein said processing unit includes an optical correlator, said optical correlator being operative for: a) processing the image data associated with the cargo container to derive a first Fourier transform data element, said first Fourier transform data element being indicative of a Fourier transform of the image data associated with the cargo container; b) computing a correlation operation between the first Fourier transform data element and at least one Fourier transform of target images to detect a presence of at least one target object in the cargo container. 49. A computer readable medium including a program element suitable for execution by a computing apparatus for screening a cargo container, said computing apparatus comprising a memory unit and a processor operatively connected to said memory unit, said program element when executing on said processor being operative for: a) receiving image data associated with the cargo container and conveying information related to the contents of the cargo container, said image data being derived by subjecting the cargo container to penetrating radiation; b) receiving a first list of objects conveying objects expected to be present in the cargo container; c) obtaining a group of target images based at least in part on the list of objects, the target images in said group corresponding to respective objects in the list of objects; d) processing the image data associated with the cargo container in combination with the group of target images to detect a presence of at least one object in the cargo container; e) generating a second list of objects, the second list of objects conveying objects whose presence in the container was detected in d); f) comparing the second list of objects with the first list of objects to derive mismatch information data, said mismatch information data conveying at least one distinction between the first list of objects and the second list of objects; g) releasing the mismatch information data. 50. A computer readable medium as defined in claim 49, wherein said mismatch information data conveys at least one object present in the first list of objects but absent from the second list of objects. 51. A computer readable medium as defined in claim 49, wherein said first list of objects is derived from a manifest associated with the container. 52. A computer readable medium as defined in claim 51, wherein said program element when executing on said processor being operative for obtaining the group of target images by processing a database of target images on the basis of the first list of objects, the group of target images being a subset of the database of target images. 53. A computer readable medium as defined in claim 49, wherein said program element when executing on said processor being operative for causing a display unit to convey the mismatch information data. 54. A computer readable medium as defined in claim 49, wherein said program element when executing on said processor being operative for: a) generating log information data elements conveying the mismatch information data; b) storing said log information data elements on a memory unit. 55. A computer readable medium as defined in claim 54, wherein said log information data elements include a time stamp data element. 56. A computer readable medium as defined in claim 51, wherein said cargo container is associated to a cargo identifier data element, said program element when executing on said processor being operative for processing the cargo identifier data element in combination with a cargo container database to identify a manifest associated with the cargo container. 57. An apparatus for screening a cargo container, said apparatus comprising: a) means for receiving image data associated with the cargo container and conveying information related to the contents of the cargo container, said image data being derived by subjecting the cargo container to penetrating radiation; b) means for receiving a list of objects conveying objects expected to be present in the cargo container; c) means for obtaining a group of target images based at least in part on the list of objects, the target images in said group corresponding to respective objects in the list of objects; d) means for processing the image data associated with the cargo container in combination with the group of target images to derive mismatch information data, said mismatch information data conveying at least one distinction between the first list of objects and the information related to the contents of the cargo container conveyed by the image data; e) means for releasing the mismatch information data.
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