IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0510748
(2009-07-28)
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등록번호 |
US-8462042
(2013-06-11)
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발명자
/ 주소 |
- DeLong, Richard P.
- Blyth, Barbara J.
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출원인 / 주소 |
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대리인 / 주소 |
Schwegman Lundberg & Woessner, P.A.
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인용정보 |
피인용 횟수 :
1 인용 특허 :
6 |
초록
▼
In accordance with a particular embodiment of the invention, a kinematic indicator generator may receive tracking data describing the position and velocity of a target. The tracking data may be used to identify an event describing an action of the target that may have occurred. The probability that
In accordance with a particular embodiment of the invention, a kinematic indicator generator may receive tracking data describing the position and velocity of a target. The tracking data may be used to identify an event describing an action of the target that may have occurred. The probability that the event occurred may be calculated and indicated by a confidence. The kinematic indicator generator may generate a kinematic indicator that includes the event and the confidence.
대표청구항
▼
1. A method comprising: receiving tracking data at a kinematic indicator generator, the tracking data comprising a position and a velocity of a target;identifying an event according to the tracking data, the event describing an action of the target related to a change in target location;calculating
1. A method comprising: receiving tracking data at a kinematic indicator generator, the tracking data comprising a position and a velocity of a target;identifying an event according to the tracking data, the event describing an action of the target related to a change in target location;calculating a confidence of the event, the confidence indicating the probability that the event occurred;generating a kinematic indicator for the target, the kinematic indicator comprising the event and the confidence; andproviding the kinematic indicator to a multi-sensor integration (MSI) system. 2. The method of claim 1: the tracking data further comprising a location of a hostile base;the identifying the event further comprising: determining that the target is moving away from the hostile base; andidentifying the event as a Launched from Hostile Base event; andthe calculating the confidence further comprising: determining the confidence according to the position of the target relative to the location of the hostile base. 3. The method of claim 1: the tracking data further comprising a location of a member of a unit;the identifying the event further comprising: determining that the target is near the location of the member; andidentifying the event as a Suddenly Near Us event; andthe calculating the confidence further comprising: determining the confidence according to the position of the target relative to the location of the member. 4. The method of claim 1: the tracking data further comprising a location of a member of a unit;the identifying the event further comprising: determining that the target is moving toward the member; andidentifying the event as a Headed Toward Us event; andthe calculating the confidence further comprising: determining the confidence according to the velocity of the target and a transverse distance between the target trajectory and the member, the confidence increasing as the distance decreases or the speed increases. 5. The method of claim 1: the tracking data further comprising a location of a member of a unit;the identifying the event further comprising: determining that the target is moving away from the member; andidentifying the event as a Headed Away From Us event; andthe calculating the confidence further comprising: determining the confidence according to a velocity vector of the target and a vector from the member to the target, the confidence increasing as the alignment of the vectors coincides. 6. The method of claim 1: the tracking data further comprising a plurality of vertices describing a polygonal geodesic region, each vertex comprising a latitude coordinate and a longitude coordinate; the identifying the event further comprising: determining that the polygonal geodesic region is a candidate region in which the target might be located;identifying the event as an Inside Region event; andthe calculating the confidence further comprising: determining the confidence according to a probability integral. 7. The method of claim 1: the tracking data further comprising a plurality of vertices describing a polygonal geodesic region; andthe calculating the confidence further comprising: converting the plurality of vertices to a gnomonic form to yield a two-dimensional region defined by a boundary;obtaining a probability integral of a 1-form over the boundary of the two-dimensional region; andcalculating the confidence from the probability integral. 8. A method comprising: receiving tracking data at a kinematic indicator generator, the tracking data comprising a position and a velocity of a target;identifying an event according to the tracking data, the event describing an action of the target;calculating a confidence of the event, the confidence indicating the probability that the event occurred; andgenerating a kinematic indicator for the target, the kinematic indicator comprising the event and the confidence,wherein the tracking data further comprises an envelope describing a region of altitude and speed, the envelope corresponding to a performance characteristic of an aircraft;wherein identifying the event further comprises:determining that the envelope is a candidate envelope in which the target might be performing; andidentifying the event as an Inside Envelope event, andwherein calculating the confidence further comprises:determining the confidence according to a probability integral. 9. A method comprising: receiving tracking data at a kinematic indicator generator, the tracking data comprising a position and a velocity of a target;identifying an event according to the tracking data, the event describing an action of the target;calculating a confidence of the event, the confidence indicating the probability that the event occurred; andgenerating a kinematic indicator for the target, the kinematic indicator comprising the event and the confidence,wherein the tracking data further comprising an envelope describing a two-dimensional region of altitude and speed, the envelope corresponding to a performance characteristic of an aircraft; andwherein calculating the confidence further comprises: obtaining a probability integral of a 1-form over the boundary of the two-dimensional region; andcalculating the confidence from the probability integral. 10. The method of claim 1, further comprising: collecting a first set of tracking data over a time interval, the first set of tracking data comprising a number of attribute samples;collecting a second set of tracking data over the time interval, the second set of tracking data comprising a number of kinematic samples, the number of kinematic samples being greater than the number of attribute samples; andselecting a number of kinematic samples, the number of kinematic samples substantially equal to the number of attribute samples. 11. The method of claim 1, further comprising: determining the target is a new target for which tracking data has not been previously received; andidentifying the event further comprising: identifying the event from a set of events comprising a Launched From Hostile Base event, a Suddenly Near Us event, a Headed Toward Us event, a Headed Away From Us, an Inside Region Event, and an Inside Envelope event. 12. The method of claim 1, further comprising: determining tracking data has been previously received for the target; andidentifying the event further comprising: identifying the event from a set of events comprising a Headed Toward Us event, a Headed Away From Us, an Inside Region Event, and an Inside Envelope event. 13. An apparatus comprising: an interface configured to: receive tracking data at a kinematic indicator generator, the tracking data comprising a position and a velocity of a target; anda processor configured to: identify an event according to the tracking data, the event describing an action of the target related to a change in target location;calculate a confidence of the event, the confidence indicating the probability that the event occurred; andgenerate a kinematic indicator for the target, the kinematic indicator comprising the event and the confidence; andprovide the kinematic indicator to a multi-sensor integration (MSI) system. 14. The apparatus of claim 13: the tracking data further comprising a location of a hostile base;the processor configured to identify the event by: determining that the target is moving away from the hostile base; andidentifying the event as a Launched from Hostile Base event; andthe processor configured to calculate the confidence by: determining the confidence according to the position of the target relative to the location of the hostile base. 15. The apparatus of claim 13: the tracking data further comprising a location of a member of a unit;the processor configured to identify the event by: determining that the target is near the location of the member; andidentifying the event as a Suddenly Near Us event; andthe processor configured to calculate the confidence by: determining the confidence according to the position of the target relative to the location of the member. 16. The apparatus of claim 13: the tracking data further comprising a location of a member of a unit;the processor configured to identify the event by: determining that the target is moving toward the member; andidentifying the event as a Headed Toward Us event; andthe processor configured to calculate the confidence by: determining the confidence according to the velocity of the target and a transverse distance between the target trajectory and the member, the confidence increasing as the distance decreases or the speed increases. 17. The apparatus of claim 13: the tracking data further comprising a location of a member of a unit;the processor configured to identify the event by: determining that the target is moving away from the member; andidentifying the event as a Headed Away From Us event; andthe processor configured to calculate the confidence by: determining the confidence according to the velocity vector of the target and a vector from the member to the target, the confidence increasing as the alignment of the vectors coincides. 18. The apparatus of claim 13: the tracking data further comprising a plurality of vertices describing a polygonal geodesic region, each vertex comprising a latitude coordinate and a longitude coordinate;the processor configured to identify the event by: determining that the polygonal geodesic region is a candidate region in which the target might be located;identifying the event as an Inside Region event; andthe processor configured to calculate the confidence by: determining the confidence according to a probability integral. 19. The apparatus of claim 13: the tracking data further comprising a plurality of vertices describing a polygonal geodesic region; andthe processor configured to calculate the confidence by: converting the plurality of vertices to a gnomonic form to yield a two-dimensional region defined by a boundary;obtaining a probability integral of a 1-form over the boundary of the two-dimensional region; andcalculating the confidence from the probability integral. 20. An apparatus comprising: an interface configured to:receive tracking data at a kinematic indicator generator, the tracking data comprising a position and a velocity of a target; anda processor configured to:identify an event according to the tracking data, the event describing an action of the target;calculate a confidence of the event, the confidence indicating the probability that the event occurred; andgenerate a kinematic indicator for the tar et the kinematic indicator comprising the event and the confidence,wherein the tracking data further comprises an envelope describing a region of altitude and speed, the envelope corresponding to a performance characteristic of an aircraft;wherein the processor is configured to identify the event by: determining that the envelope is a candidate envelope in which the target might be performing; andidentifying the event as an Inside Envelope event, andwherein the processor is configured to calculate the confidence by: determining the confidence according to a probability integral. 21. An apparatus comprising: an interface configured to:receive tracking data at a kinematic indicator generator, the tracking data comprising a position and a velocity of a target; anda processor configured to:identify an event according to the tracking data, the event describing an action of the target;calculate a confidence of the event, the confidence indicating the probability that the event occurred; andgenerate a kinematic indicator for the tar et the kinematic indicator comprising the event and the confidence,wherein the tracking data further comprise an envelope describing a two-dimensional region of altitude and speed, the envelope corresponding to a performance characteristic of an aircraft;wherein the processor is configured to calculate the confidence by:obtaining a probability integral of a 1-form over the boundary of the two-dimensional region; andcalculating the confidence from the probability integral. 22. The apparatus of claim 13, further configured to: collect a first set of tracking data over a time interval, the first set of tracking data comprising a number of attribute samples;collect a second set of tracking data over the time interval, the second set of tracking data comprising a number of kinematic samples, the number of kinematic samples being greater than the number of attribute samples; andselect a number of kinematic samples, the number of kinematic samples substantially equal to the number of attribute samples. 23. The apparatus of claim 13, further configured to: determine the target is a new target for which tracking data has not been previously received; andthe processor configured to identify the event by: identifying the event from a set of events comprising a Launched From Hostile Base event, a Suddenly Near Us event, a Headed Toward Us event, a Headed Away From Us, an Inside Region Event, and an Inside Envelope event. 24. The apparatus of claim 13, further configured to: determine tracking data has been previously received for the target; andthe processor configured to identify the event by: identifying the event from a set of events comprising a Headed Toward Us event, a Headed Away From Us, an Inside Region Event, and an Inside Envelope event.
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