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...... hiện toàn bộ
#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" (...... hiện toàn bộ
#Algebra #Fuzzy logic #Fuzzy sets #Educational institutions #Probabilistic logic #Arithmetic #Natural languages #Stochastic processes #Information security #Testing
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...... hiện toàn bộ
#Computational complexity #Real time systems #Probability distribution #Entropy #Distributed computing #Robustness #Decision making
Command Decision Support Interface (CODSI) for human factors and display concept validation
Tập 2 - Trang 1284-1291 vol.2
The development of Decision Support System (DSS) is challenging, as it must include the participation of system designers and human factor specialists to ensure the cognitive fit between the DSS and the decision-maker in order to maximize decision-making effectiveness. The validation step from the DSS development process is often skipped due to money and time constraints and lack of appropriate va...... hiện toàn bộ
#Human factors #Displays #Decision support systems #Research and development #Decision making #Time factors #Command and control systems #Information processing #Man machine systems #Control systems
Information fusion based on fast covariance intersection filtering
Tập 2 - Trang 901-904 vol.2
Information fusion based on Kalman filtering often suffers from the lack of knowledge about cross correlations between the noise-corrupted signal sources. Covariance intersection filtering provides a general framework for information fusion with incomplete knowledge about the signal sources since it yields consistent estimates for any degree of cross correlation. However, covariance intersection f...... hiện toàn bộ
#Information filtering #Information filters #Covariance matrix #State estimation #Yield estimation #Kalman filters #Cost function #Nonlinear filters #Statistics #Estimation error
A region-based multiresolution image fusion algorithm
Tập 2 - Trang 1557-1564 vol.2
We propose a multiresolution fusion algorithm which combines aspects of region and pixel-based fusion. We use multiresolution decompositions to represent the input images at different scales, and introduce a multiresolution/multimodal segmentation to partition the image domain at these scales. The basic idea is to use this segmentation to guide the fusion process. A region-based multiresolution ap...... hiện toàn bộ
#Image resolution #Image fusion #Signal resolution #Spatial resolution #Low pass filters #Image segmentation #Nonlinear filters #Mathematics #Computer science #Pixel
Performance enhancement of the IMM estimation by smoothing
Tập 1 - Trang 713-720 vol.1
This paper proposes and investigates an enhancement of the IMM estimation (referred to as smoothing-enhanced IMM or SE-IMM) at the expense of a reasonable increase in computation. It is based on improved reinitialization of the IMM filter by IMM smoothing. An approximate IMM smoothing (IMMS) algorithm is provided. To maintain a minimum overall computational load, the SE-IMM scheme is applied only ...... hiện toàn bộ
#Smoothing methods #Target tracking #Filters #Change detection algorithms #Testing #Estimation error #History
On platform-based sensor management
Tập 1 - Trang 600-607 vol.1
The design of a generic mechanism for platform-based data fusion and sensor management is described. It is based on the duality between two types of agents, task agents and sensor agents. Task agents buy information from sensor agents that sell it, and sensors produce information that tasks consume. These buy and sell interactions occur very frequently for systems involving sensors that work with ...... hiện toàn bộ
#Sensor fusion #Samarium #Sensor systems #Humans #Modems #Sensor phenomena and characterization #Multiagent systems #Programmable control #Adaptive control #Radar
Monte Carlo-based filter for target tracking with feature measurement
Tập 2 - Trang 1499-1505 vol.2
Monte Carlo-based algorithm for tracking maneuvering target with a feature measurement is proposed in the paper Amplitude Information (AI) is used as a feature for state estimation of relatively low observable target (low Signal-to-Noise Ratio (SNR)) in the presence of high rate of false alarms. Rayleigh distributed noise amplitude and Swerling 3 type target model are assumed. The stochastic filte...... hiện toàn bộ
#Filters #Target tracking #Artificial intelligence #Signal to noise ratio #State estimation #Noise level #Stochastic resonance #Kinematics #Performance analysis #Analytical models
Creating knowledge from heterogeneous data stove pipes
Tập 2 - Trang 1162-1167 vol.2
The modern day challenges posed by terrorism and crime mean that we must make better use of the data we collect. We need to create a process that can transform different types of explicit and structured data into actionable knowledge. We need to be able to create unified infrastructure that will support a single query across all of the data sources. This unified infrastructure would allow us to in...... hiện toàn bộ
#Data mining #Information analysis #Terrorism #Knowledge based systems #Text mining #Decision making #Data warehouses #Audio recording #Video recording #Knowledge management