A Novel Dynamic Programming Algorithm for Track-Before-Detect in Radar Systems
In this paper we present a novel procedure for multi-frame detection in radar systems. The proposed architecture consists of a pre-processing stage, which extracts a set of candidate alarms (or plots) from the raw data measurements (e.g., this can be the Detector and Plot-Extractor of common radar s...
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| Published in: | IEEE transactions on signal processing Vol. 61; no. 10; pp. 2608 - 2619 |
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| Main Authors: | , , |
| Format: | Journal Article |
| Language: | English |
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New York, NY
IEEE
01.05.2013
Institute of Electrical and Electronics Engineers The Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
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| ISSN: | 1053-587X, 1941-0476 |
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| Abstract | In this paper we present a novel procedure for multi-frame detection in radar systems. The proposed architecture consists of a pre-processing stage, which extracts a set of candidate alarms (or plots) from the raw data measurements (e.g., this can be the Detector and Plot-Extractor of common radar systems), and a track-before-detect (TBD) processor, which jointly elaborates observations from multiple scans (or frames) and confirms reliable plots. A computationally efficient dynamic programming algorithm for the TBD processor is derived, which does not require a discretization of the state space and operates directly on the input plot-lists. Finally, a simple algorithm to solve possible data association problems arising at the track-formation step is given, and a thorough complexity and performance analysis is provided, showing that large detection gains with respect to the standard radar processing are achievable with negligible complexity increase. |
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| AbstractList | In this paper we present a novel procedure for multi-frame detection in radar systems. The proposed architecture consists of a pre-processing stage, which extracts a set of candidate alarms (or plots) from the raw data measurements (e.g., this can be the Detector and Plot-Extractor of common radar systems), and a track-before-detect (TBD) processor, which jointly elaborates observations from multiple scans (or frames) and confirms reliable plots. A computationally efficient dynamic programming algorithm for the TBD processor is derived, which does not require a discretization of the state space and operates directly on the input plot-lists. Finally, a simple algorithm to solve possible data association problems arising at the track-formation step is given, and a thorough complexity and performance analysis is provided, showing that large detection gains with respect to the standard radar processing are achievable with negligible complexity increase. |
| Author | Grossi, Emanuele Lops, Marco Venturino, Luca |
| Author_xml | – sequence: 1 givenname: Emanuele surname: Grossi fullname: Grossi, Emanuele email: e.grossi@unicas.it organization: DIEI, Università degli Studi di Cassino e del Lazio Meridionale, Italy – sequence: 2 givenname: Marco surname: Lops fullname: Lops, Marco email: lops@unicas.it organization: DIEI, Università degli Studi di Cassino e del Lazio Meridionale, Italy – sequence: 3 givenname: Luca surname: Venturino fullname: Venturino, Luca email: l.venturino@unicas.it organization: DIEI, Università degli Studi di Cassino e del Lazio Meridionale, Italy |
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| Cites_doi | 10.1049/cp.2012.1679 10.1109/TSP.2008.924870 10.1109/MIKON.2004.1356866 10.1109/PROC.1973.9030 10.1109/RADAR.2007.374209 10.1109/7.250412 10.1109/TAES.1985.310548 10.1109/TAES.2008.4516999 10.1109/7.745690 10.1109/7.543865 10.1109/7.250410 10.1109/TAES.2011.5937268 10.1109/TAES.2005.1541440 10.1109/5.18626 10.1109/78.134399 10.1049/cp:20020299 10.1109/TSP.2009.2032991 10.1109/ICASSP.2012.6288780 10.1109/7.106120 10.1109/NRC.1991.114715 10.1109/TPAMI.1981.4767153 10.1109/RADAR.1995.522561 10.1109/7.705887 10.1109/RADAR.1990.201202 10.1109/ITW.2008.4578675 10.1109/7.250411 10.1109/ACSSC.1998.750901 10.1109/TAES.2003.1261132 10.1109/7.366306 10.1109/29.56019 10.1109/TAES.1987.310914 10.1109/7.543858 10.1109/TAES.1983.309401 10.1109/SSP.2012.6319818 10.1109/7.249112 10.1109/RADAR.2008.4721110 10.1109/AERO.2007.353035 10.1109/7.7174 10.1109/48.393073 10.1109/TAES.2008.4655369 10.1109/TIT.2008.928261 |
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| SubjectTerms | Alarms Algorithms Applied sciences Complexity Detection, estimation, filtering, equalization, prediction Detector Dynamic programming Dynamical systems Dynamics Exact sciences and technology Heuristic algorithms Information theory Information, signal and communications theory Microprocessors multi-frame detection (MFD) plot extractor Radar Radar detection Radar systems Radar tracking Signal and communications theory Signal, noise Studies Target tracking Telecommunications and information theory track-before-detect (TBD) tracking Trajectory |
| Title | A Novel Dynamic Programming Algorithm for Track-Before-Detect in Radar Systems |
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