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Title: Correlation and 3D-tracking of objects by pointing sensors

Patent ·
OSTI ID:1349676

A method and system for tracking at least one object using a plurality of pointing sensors and a tracking system are disclosed herein. In a general embodiment, the tracking system is configured to receive a series of observation data relative to the at least one object over a time base for each of the plurality of pointing sensors. The observation data may include sensor position data, pointing vector data and observation error data. The tracking system may further determine a triangulation point using a magnitude of a shortest line connecting a line of sight value from each of the series of observation data from each of the plurality of sensors to the at least one object, and perform correlation processing on the observation data and triangulation point to determine if at least two of the plurality of sensors are tracking the same object. Observation data may also be branched, associated and pruned using new incoming observation data.

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC04-94AL85000
Assignee:
Sandia Corporation
Patent Number(s):
9,612,316
Application Number:
14/448,513
OSTI ID:
1349676
Resource Relation:
Patent File Date: 2014 Jul 31
Country of Publication:
United States
Language:
English

References (6)

Multiple hypothesis tracking for multiple target tracking journal January 2004
An extension of the Munkres algorithm for the assignment problem to rectangular matrices journal December 1971
Effect of sensor bias on space-based bearing-only tracker conference May 2008
Parametric model fitting: from inlier characterization to outlier detection journal March 1998
Track and tracklet fusion filtering conference August 2002
Streamlining measurement iteration for EKF target tracking journal March 1991

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