[특허]System and process for performing optimal target tracking

System and process for performing optimal target tracking 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01S-013/52
출원번호	US-0537590 (1995-10-02)
발명자 / 주소	Fiala Harvey E. (Downey CA)
출원인 / 주소	Rockwell International Corporation (Seal Beach CA 02)
인용정보	피인용 횟수 : 26 인용 특허 : 0

초록 ▼

A computer-implemented process is disclosed for processing incoming target data from a focal plane or scanning radar to accomplish multiple Target Tracking. Inputs are pixel plane coordinates and intensity of target blips. The Intelligent Target Tracking Processor (ITTP) employs an optimal target tracking algorithm. An optimal observation-to-track assignment exists when all target blips in a new frame of target data are matched up with nearby tracks, such that the sum of all the distances from each target blip to its assigned track is minimized. An expert system is used to control overall processing flow and provide efficient allocation of computing resources. Target blips without near neighbors are allowed to go directly to a real track table of established tracks, if their coordinates match-up with projected tracking gates. Otherwise, target blips are tested sequentially against two-frame, three-frame, and four- or higher-frame discriminants, to reject blips not belonging to established tracks. The ITTP can partition the pixel plane into “bite size partitions”, each with a manageable number of target blips, which it handles sequentially. The ITTP is designed to handle hundreds or thousands of targets as a stand-alone processor as is required in space object tracking or military scenarios. The expert system maintains an optimum balance between correlating on existing tracks and discriminating against impossible tracks. A total of 26 different metric and radiometric target tracking discriminants are employed. The ITTP is a dynamically and optimally configured set of general purpose parallel processors.

대표청구항 ▼

A computer-implemented process for performing optimal target tracking of incoming target data from a focal plane, said data including frames of target blips, comprising the steps of: a) storing target data from a focal plane temporarily in frame tables, said data including frames of target blips; b) partitioning said blips on a pixel plane representation of said focal plane into partitions sized to match said frame tables; c) discriminating against and rejecting said blips which do not meet a test of at least one of up to five (5) single-frame discriminants, the remaining blips forming a single-frame set; d) discriminating against and further rejecting said blips from said single-frame set which do not meet a test of at least one of up to five (5) two-frame discriminants, the remaining blips forming a two-frame set; e) discriminating against and further rejecting said blips from said two-frame set which do not meet a test of at least one of up to four (4) three-frame discriminants, the remaining blips forming a three-frame set; and, f) assigning said remaining blips, if any, from said three-frame set to resulting target tracks in a candidate track table for directing to a real track table or an external resolver, such that the sum of all the distances from each blip to its assigned target track is minimized.

이 특허를 인용한 특허 (26)

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Teoh, Edward Kah Ching; Tan, Zi Hao, System and method for identifying and labeling cluster pixels in a frame of image data for optical navigation.
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Ganesh, Chidambar; Gong, Kai F.; Hammel, Sherry E., System for bearing-only contact state estimation using recurrent neural networks.
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Shan Cong, Track map generator.
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Molin, Paul; Ricci, Yves, UHF radar system for implementing a method of eliminating vegetation clutter.
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Low, Colin Andrew, Visual sensing for large-scale tracking.
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IPC	Description
A	생활필수품
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System and process for performing optimal target tracking 원문보기

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System and process for performing optimal target tracking 원문보기

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