Detection methods and system using sequenced technologies
First Claim
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1. A method for detecting a presence of a characteristic in an object, the method comprising the steps of:
- providing at least three detection technologies;
first determining, utilizing one of the at least three detection technologies, whether the characteristic is present in the object;
subsequently determining, utilizing a subsequent one of the at least three detection technologies, whether the characteristic is present in the object;
finally determining utilizing another one of the at least three detection technologies, if previous determinations for a majority of said at least three detection technologies are not identical, whether the characteristic is present in the object;
applying a predetermined criterion, after determinations by at least a majority of the at least three detection technologies, to detect the presence of the characteristic in the object.
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Abstract
Methods and systems for interconnecting sub-systems and for identifying combinations of multiple technologies. The method of this invention can be applied to detecting the presence of a characteristic in an object.
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Citations
33 Claims
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1. A method for detecting a presence of a characteristic in an object, the method comprising the steps of:
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providing at least three detection technologies; first determining, utilizing one of the at least three detection technologies, whether the characteristic is present in the object; subsequently determining, utilizing a subsequent one of the at least three detection technologies, whether the characteristic is present in the object; finally determining utilizing another one of the at least three detection technologies, if previous determinations for a majority of said at least three detection technologies are not identical, whether the characteristic is present in the object; applying a predetermined criterion, after determinations by at least a majority of the at least three detection technologies, to detect the presence of the characteristic in the object. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for selecting sub-systems for integration into a system, the method comprising the steps of:
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(a) providing a candidate system comprising at least two detection sub-systems; (b) performing a Monte Carlo analysis of detecting a presence of the at least one characteristic in an object; (c) calculating a pre-defined figure of merit for the candidate system; (d) selecting the candidate system if the figure of merit value satisfies a pre-determined criterion. - View Dependent Claims (10, 11, 12, 13, 28, 29, 30)
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14. A system for detecting presence of a characteristic in an object, the system comprising:
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three detection sub-systems; and
, wherein,PD1 is a probability of detection of a sub-system that has a highest probability of detection, PD2 is a probability of detection of a second one of the three detection sub-systems, PD3 is a probability of detection of a third one of the three detection sub-systems, and, the probability of detection of the sub-system that has the highest probability of detection satisfies the following relation;
(1−
PD1)≧
[(1−
PD1)(1−
PD2)+(1−
PD1)PD2(1−
PD3)+PD1(1−
PD2)(1−
PD3)]. - View Dependent Claims (16, 17, 18, 19)
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15. A system for detecting presence of a characteristic in an object, the system comprising:
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three detection sub-systems; and
, wherein,PFA1 is a probability of false alarm of a sub-system that has a lowest probability of false alarm, PFA2 is a probability of false alarm of a second one of the three detection sub-systems, and PFA3 is a probability of false alarm of a third one of the three detection sub-systems, and, the probability of false alarm of the sub-system that has the lowest probability of false alarm satisfies the following relation;
PFA1≧
[(PFA1)(PFA2)+(1−
PFA1)(PFA2)(PFA3)+(PFA1)(1−
PFA2)(PFA3)]. - View Dependent Claims (20, 21, 22)
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23. A system for detecting presence of at least one characteristic in an object, the system comprising:
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at least two detection sub-systems; said at least two detection sub-systems being selected by the steps of; (a) providing a candidate system from at least two candidate systems, each candidate system from said at least two candidate systems comprising at least two detection sub-systems; (b) performing a Monte Carlo analysis of detecting a presence of the at least one characteristic in an object for the candidate system; (c) calculating a pre-defined figure of merit for the candidate system; (d) providing another candidate system from said at least two candidate systems; (e) repeating steps (a) through (c) for the another candidate system; (f) selecting a system from said at least two candidate systems, said selected system having a figure of merit value satisfying a pre-determined criterion. - View Dependent Claims (24, 25, 26, 27)
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31. A system for detecting presence of at least one type of explosive in an object, the system comprising:
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at least two explosive detection sub-systems; said at least two explosive detection sub-systems being selected by the steps of; (a) providing a candidate system from at least two candidate systems, each candidate system from said at least two candidate systems comprising at least two explosive detection sub-systems; (b) performing a Monte Carlo analysis of detecting a presence of the at least one type of explosive in an object for the candidate system; (c) calculating a pre-defined cost figure of merit for the candidate system; (d) providing another candidate system from said at least two candidate systems; (e) repeating steps (a) through (c) for the another candidate system; (f) selecting a system from said at least two candidate systems, said selected system having a cost figure of merit value satisfying a pre-determined criterion. - View Dependent Claims (32, 33)
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Specification