Proceedings of the Fifth International Conference on Information Fusion. FUSION 2002. (IEEE Cat.No.02EX5997)
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Information fusion for image analysis: geospatial foundations for higher-level fusion
Tập 1 - Trang 562-569 vol.1
In support of the AFOSR program in Information Fusion, the CNS Technology Laboratory at Boston University is developing and applying neural models of image and signal processing, pattern learning and recognition, associative learning dynamics, and 3D visualization, to the domain of Information Fusion for Image Analysis in a geospatial context. Our research is focused by a challenge problem involvi......
#Image analysis #Laboratories #Context modeling #Signal processing #Pattern recognition #Image recognition #Vehicle dynamics #Visualization #Focusing #Terrorism
A new method for representing linguistic quantifications by random sets with applications to tracking and data fusion
Tập 2 - Trang 1308-1315 vol.2
There is an obvious need to be able to integrate both linguistic-based and stochastic-based input information in data fusion. In particular, this need is critical in addressing problems of track association, including cyber-state intrusions. This paper treats this issue through a new insight into how three apparently distinct mathematical tools can be combined: "boolean relational event algebra" (......
#Algebra #Fuzzy logic #Fuzzy sets #Educational institutions #Probabilistic logic #Arithmetic #Natural languages #Stochastic processes #Information security #Testing
Association of narrow band sources in passive sonar
Tập 2 - Trang 1141-1146 vol.2
The problem of track to track association in passive sonar with multiple platforms and/or time interruptions is considered. Typical case is a submarine equipped with a hull array (HA) and a towed array (TA). A few methods are applicable and discussed here, coming from detection and estimation theory. Performance of likelihood ratio test are studied for the binary case to associate one track from m......
#Narrowband #Sonar #Target tracking #Motion analysis #Underwater vehicles #Estimation theory #Testing #Antenna measurements #Frequency #Antenna theory
A Markov model for initiating tracks with the probabilistic multi-hypothesis tracker
Tập 1 - Trang 735-742 vol.1
An important problem in multi-target tracking is track initiation and termination. The tracking algorithm aims to discriminate false detections caused by various sources of interference from valid detections caused by targets of interest. This is a problem of model order estimation. One approach to solving this problem with the Probabilistic Data Association Filter has been referred to as target v......
#Target tracking #Filters #Technological innovation #Clutter #Surveillance #Observability #Sensor systems #Information processing #Interference #State estimation
Fusing binary and continuous output of multiple classifiers
Tập 1 - Trang 380-387 vol.1
This paper describes a fusion architecture and implementation for classifiers with binary as well: as continuous output. The fusion scheme is represented as a multi-layered architecture which structures the approach into pre-processing, analysis, and post-processing. All components are partitioned into layers where each layer performs logical tasks. In particular, the pre-processing component is p......
#Remote monitoring #Sampling methods #Engines #Frequency #Phase estimation
The system probability information content (PIC) relationship to contributing components, combining independent multi-source beliefs, hybrid and pedigree pignistic probabilities
Tập 2 - Trang 1277-1283 vol.2
In the design of information fusion systems, the reduction of computational complexity is a key design parameter for real-time implementations. One way to simplify the computations is to decompose the system into subsystems of non-correlated informational components, such as a qualitative informational component, a quantitative informational component, and a complement informational component. A p......
#Computational complexity #Real time systems #Probability distribution #Entropy #Distributed computing #Robustness #Decision making
Reduced complexity spatio-temporal image-based tracking for maneuvering targets
Tập 1 - Trang 743-750 vol.1
There is significant motivation to develop reduced complexity filtering algorithms (with explicit performance bounds) for tracking maneuvering targets. Maneuvering target estimation is an important problem in target tracking due to the uncertainty in maneuvers of the target. In a hostile environment a target will try to avoid being tracked by maneuvering in such a way so that its motion is difficu......
#Target tracking #Hidden Markov models #Nonlinear filters #Filtering algorithms #Trajectory #Linear systems #Uncertainty #Image sensors #Image generation #Noise generators
Network-centric MFA tracking architectures
Tập 1 - Trang 520-526 vol.1
Multiple frame association (MFA) based on multiple dimensional assignment problems has been developed for a centralized communication and tracking architecture, but such an architecture suffers from communication overloading, single-point failure, and data latency over the network of platforms. Thus, one must turn to decentralized architectures with the objectives being to affordably preserve the ......
#Target tracking #Radar tracking #Delay #Nearest neighbor searches #Mathematics #Testing #Multidimensional systems #Radar clutter #Spaceborne radar #Sensor phenomena and characterization
Multi-modality gaze-contingent displays for image fusion
Tập 2 - Trang 1213-1220 vol.2
Gaze-contingent displays are used in this paper for integrated visualisation of 2-D multi-modality images. In gaze-contingent displays a window centred around the observer's fixation point is modified while the observer moves their eyes around the display. In the proposed technique, this window, in the central part of vision, is taken from one of the input modalities, while the rest of the display......
#Displays #Image fusion #Eyes #Visualization #Humans #Visual system #Fuses #Medical tests #Biomedical imaging #Computed tomography
Optimal linear estimation fusion. Part V. Relationships
Tập 1 - Trang 497-504 vol.1
For pt.IV see proc. 2001 International Conf on Information Fusion. .In this paper, we continue our study of optimal linear estimation fusion in. a unified, general, and systematic setting. We clarify relationships among various BLUE and WLS fusion rules with complete, incomplete, and no prior information presented in Part I before; and we quantify the effect of prior information and data on fusion......
#Data models #Least squares approximation #Estimation error #Hip #Mathematics #Distributed computing #Symmetric matrices #Bayesian methods