SYSTEM AND METHOD FOR DETECTING PERFORMANCE OF A SENSOR FIELD AT ALL POINTS WITHIN A GEOGRAPHIC AREA OF REGARD
First Claim
1. A method for determining a path of travel of an intruder traversing an area of regard (AOR) to a predefined point, where the path of travel has a minimum probability of detection relative to other potential paths of travel of the intruder, the method comprising:
- providing three dimensional terrain data concerning the area of regard;
providing the locations of a plurality of detection sensors implemented in the area of regard, with each said detection sensor have a known field of view;
providing a predetermined single scan detection probability for each of the detection sensors;
generating a grid of points that is laid over the area of regard;
using the grid of points, the three dimensional terrain data, and the predetermined single scan detection probability for each of the detection sensors, to determine a particular path of travel, defined by arcs connecting selected ones of said grid of points, of said intruder to said predefined point that represents a minimum probability of detection of said intruder relative to all other potential paths of travel through said area of regard to said predefined point.
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Abstract
A method for determining a path of travel of an intruder traversing an area of regard (AOR) to a predefined point, where the path of travel has a minimum probability of detection relative to other potential paths of travel of the intruder. The method may comprise: providing three dimensional terrain data concerning the AOR; providing the locations of a plurality of detection sensors implemented in the AOR, with each detection sensor having a known field of view; providing a predetermined single scan detection probability for each of the detection sensors; generating a grid of points that is laid over the AOR; and using the foregoing information to determine a particular path of travel, defined by selected arcs connecting specific ones of the grid of points, of the intruder to the predefined point that represents a minimum probability of detection of the intruder.
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Citations
20 Claims
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1. A method for determining a path of travel of an intruder traversing an area of regard (AOR) to a predefined point, where the path of travel has a minimum probability of detection relative to other potential paths of travel of the intruder, the method comprising:
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providing three dimensional terrain data concerning the area of regard; providing the locations of a plurality of detection sensors implemented in the area of regard, with each said detection sensor have a known field of view; providing a predetermined single scan detection probability for each of the detection sensors; generating a grid of points that is laid over the area of regard; using the grid of points, the three dimensional terrain data, and the predetermined single scan detection probability for each of the detection sensors, to determine a particular path of travel, defined by arcs connecting selected ones of said grid of points, of said intruder to said predefined point that represents a minimum probability of detection of said intruder relative to all other potential paths of travel through said area of regard to said predefined point. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for determining a path of travel of an intruder traversing an area of regard (AOR) to a predefined point, where the path of travel has a minimum probability of detection relative to other potential paths of travel of the intruder, the method comprising:
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providing three dimensional terrain data concerning the area of regard; providing the location of each one of a plurality of detection radar sensors located at spaced apart locations within the area of regard; providing a predetermined single scan detection probability for each said detection radar sensor; defining a valid detection by each of said detection radar sensors as comprising more than one detection while said intruder is moving within a field of view of a given one of said detection radar sensors; generating a grid of points over the area of interest; using the grid of points, the three dimensional terrain data, the outputs from the detection sensors and the predetermined single scan detection probability for the detection sensor, to determine a particular path of travel of said intruder through said AOR, defined by selected ones of said grid of points, that represents a minimum probability of detection of said intruder relative to all other potential paths of travel through said AOR to said predefined point. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. A system for monitoring a geographic area of regard (AOR) and determining a path of travel of an intruder traversing an area of regard (AOR) to a predefined point, where the path of travel has a minimum probability of detection relative to other potential paths of travel of the intruder, the system comprising:
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a plurality of detection sensors located at known, predetermined locations within said area of regard, each said detection sensor having a known field of view; each said detection sensor having a predetermined single scan probability of detecting said intruder as said intruder moves within said field of view of said detection sensor; a processor adapted to; generate a grid of points over a map of said AOR, with said detection sensors laid out on said map; and to use known three dimensional terrain data of said AOR and outputs from each of the detection sensors to determine a particular path of travel, defined by selected ones of said grid of points, of said intruder to said predefined point that represents a minimum probability of detection of said intruder relative to all other potential paths of travel through said area of regard to said predefined point. - View Dependent Claims (18, 19, 20)
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Specification