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Multiple target detection - optimum resolution
ICASSP '86. IEEE International Conference on Acoustics, Speech, and Signal Processing, 1986A new method of estimating the directions and powers of multiple targets from array data is described and illustrated. Target directions are first determined using the energy distribution of the covariance-matrix eigensystem, and their corresponding powers are then determined using the maximum likelihood method, which are also used to eliminate ...
A. Abo-Zena, E. Church
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2018
Target detection means to illuminate the target and then calculate its parameters, such a range, speed, azimuth, and altitude. The target range can be obtained using one of several methods: by calculating the time between the detected target echo and the transmitted wave, then calculating the difference in frequency between the received echo and the ...
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Target detection means to illuminate the target and then calculate its parameters, such a range, speed, azimuth, and altitude. The target range can be obtained using one of several methods: by calculating the time between the detected target echo and the transmitted wave, then calculating the difference in frequency between the received echo and the ...
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Target association using detection methods
Proceedings of the 2002 American Control Conference (IEEE Cat. No.CH37301), 2002This paper presents a residual-based scheme for solving the radar track association problem using bearings-only measurements. To accomplish track association between two stations, we analyze the residuals of a bank of nonlinear filters called modified gain extended Kalman filters (MGKEFs).
Jonathan D. Wolfe, Jason L. Speyer
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Target detection enhancement using target motion discrimination
1998 IEEE Aerospace Conference Proceedings (Cat. No.98TH8339), 1998The significant challenge in shallow water environments is performing reliable target detection and classification while maintaining a reasonable false alert rate. Recent Navy operational experiences in shallow water environments have shown that existing active sonar systems experience excessive amounts of clutter and false alerts which result in a ...
D. Lerro, Y. Bar-Shalom
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2019
Target detection is one of the very first operations, which has to be performed on received radar signal. The purpose of detection is normally to distinguish genuine target reflections from noise and clutter. This chapter discusses the main concepts and methods used for radar detection.
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Target detection is one of the very first operations, which has to be performed on received radar signal. The purpose of detection is normally to distinguish genuine target reflections from noise and clutter. This chapter discusses the main concepts and methods used for radar detection.
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Detecting People who can Detect Targets
Proceedings of the Human Factors Society Annual Meeting, 1991Research on what determines vigilance performance has been extensive; yet, few guidelines exist for the selection of persons who are best suited to perform vigilance tasks. The focus of the present pilot study was to determine if a subset of items from the Minnesota Multiphasic Personality Inventory (MMPI) could be identified which would discriminate ...
Linda G. Pierce +2 more
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Target Tracking With Target State Dependent Detection
IEEE Transactions on Signal Processing, 2011Target tracking algorithms usually treat the probability of detection as independent of the target state. In most cases, this assumption is not true, with subsequent degradation in the target tracking performance from both expected and optimal levels.
Taek Lyul Song +2 more
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2004
In this chapter Bayes decision rules are developed for optimizing the detection of multiple targets. We show that the strategy consists of an independent threshold test at each expected time of arrival for all targets in the radar field of view. This separable test strategy is shown to be optimum for the limiting cases of large and small signal-to ...
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In this chapter Bayes decision rules are developed for optimizing the detection of multiple targets. We show that the strategy consists of an independent threshold test at each expected time of arrival for all targets in the radar field of view. This separable test strategy is shown to be optimum for the limiting cases of large and small signal-to ...
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Target detectability in acoustic elastography
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 1999The clinically relevant task of visually detecting low contrast targets in noisy strain images estimated from ultrasonic signals is studied. Detectability is measured quantitatively using contrast-to-noise ratio (CNR) analysis. Contrast in strain images is generated by a complex interaction among the soft tissue elasticity shear modulus distribution ...
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Hyperspectral Target Detection
2016Target detection can be performed either in a supervised or an unsupervised manner, depending on the level of target knowledge being used for detection. On the other hand, it can also be performed either at full pixel level or subpixel scale, depending on whether a target is smaller than pixel resolution.
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