Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 42 for “"Multisensor"”.
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Multisensor modeling underwater with uncertain information
… spatial decomposition of stochastic, multisensor feature vectors that describe an underwater environment. Such models serve as intermediate descriptions that decouple low-level, high-bandwidth sensing from the higher-level, more asynchronous processes that extract information. A …
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Multisensor data fusion for robotic control
… sensors, while ultrasound sensors are external. Multisensor data fusion seeks to combine data from multiple sensors to perform inferences that may not be possible from a single sensor. Different sensors have different strengths and weaknesses, so fused data from multiple sensors provides several …
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Multisensor Microwave Remote Sensing in the Cryosphere
… focused on extracting key surface features from multisensor microwave data sets. First, several enhanced resolution image reconstruction issues are addressed. Among these are the optimization of the scatterometer image reconstruction (SIR) algorithm for NASA scatterometer (NSCAT) data, an …
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The development of multisensor arrays utilising conducting polymers.
… is concerned with the continued development of multisensor array sensing technology for the detection and classification of aromas. The technology applies the use of conducting polymers grown across a gap between metallic conductors. The electrochemically deposited films complete a circuit and …
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Robust Multisensor-based Framework for Efficient Road Information Services
Next-generation intelligent transportation systems of future road traffic monitoring will be required to provide reports of road conditions. Monitoring road surface conditions benefits drivers and the community. Road surface anomalies contribute to increased risk of traffic accidents, reduced …
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Hypothesis Testing Using Spatially Dependent Heavy-Tailed Multisensor Data
… schemes to extend the detector design to a multisensor (multivariate) setting. We use a hierarchical tree based approach, called vines, to model the multivariate copulas, i.e., model the spatial dependence between multiple sensors. The performance of the proposed detectors under the …
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Hybrid framework for dynamic position determination in multisensor environments
Information about a user's context is crucial in obtaining the goal of ubiquitous computing. This thesis introduces a new approach in for looking at a special case of context; location information. Making devices location-aware is the first step of providing context-based services. Existing …
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Comparison of Sampling-Based Algorithms for Multisensor Distributed Target Tracking
… problem of tracking a maneuvering target in a multisensor environment. A novel scheme for distributed tracking is employed that utilizes a nonlinear target model and estimates from local (sensor-based) estimators. The resulting estimation problem is highly nonlinear and thus quite challenging. …
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Power-aware multisensor-management tracking on the Micro-AMPS platform
Thesis (M.Eng. and S.B.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2003.
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Multisensor track initiation method that addresses the missing measurement problem
A method for integrating multisensor data for the purpose of track initiation using horizon infrared and radar data is proposed. This multisensor track initiation (MSTI) method extends contemporary data fusion techniques so as to address the problem of missing measurements. The missing measurement …
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Generic Multisensor Integration Strategy and Innovative Error Analysis for Integrated Navigation
A modern multisensor integrated navigation system applied in most of civilian applications typically consists of GNSS (Global Navigation Satellite System) receivers, IMUs (Inertial Measurement Unit), and/or other sensors, e.g., odometers and cameras. With the increasing availabilities of low-cost …
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Multisensor Multitemporal Fusion for Remote Sensing using Landsat and MODIS Data
… Landsat and MODIS per-pixel time series. A new Multisensor Adaptive Time Series Fitting Model (MATSFM) is proposed. MATSFM is the first model to use mapped MODIS values to guide the fitting applied to the sparse Landsat time series. MATSFM produced results with median R-squared of 0.98 over the …
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Multisensor Signal Processing: Theory and Algorithms for Image -Based Rendering and Multichannel Sampling
Finally, motivated by multichannel sampling applications, we consider hybrid filter banks consisting of fractional delay operators, analog analysis filters, slow A/D converters, digital expanders, and digital synthesis filters to approximate a fast A/D converter. The synthesis filters are to be …
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Novel Methods based on the Fusion of Multisensor Remote Sensing Data for Accurate Forest Parameter Estimation
In the last decade the increasing availability of high resolution remote sensing data enabled precision forestry, which aims to obtain a precise reconstruction of the forest at stand, sub-stand or individual tree level. This calls for the need of developing techniques tailored on such new data that …
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Validation of NOAA Interactive Snow Maps in the North American region with National Climatic Data Center Ground-based Data
… power and local water supply. The interactive multisensor snow and ice mapping system (IMS) is a geographic interactive system that allows for both the viewing of various sensor data and the mapping daily both snow and sea ice extent by an analyst on one platform. This thesis investigates the …
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Advanced methods for the analysis of multispectral multitemporal satellite images
… applied to the complex MT problems in both VHR multisensor and very high temporal resolution images is reduced. Accordingly, the goal of this thesis is to develop novel tech-niques for the automatic analysis of MT multispectral satellite images such that images acquired by multisensor VHR and …
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Transmission of Information in Control Systems
For decentralized control, we study multisensor and multicontroller architectures. For such decentralized structures, we introduce lower bounds on information rates leading to the existence of controllers and coders leading to stability. We further obtain stabilizing decentralized coder and …
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ΑΛΓΟΡΙΘΜΟΙ ΔΙΑΜΕΛΙΣΜΟΥ ΓΡΑΜΜΙΚΗΣ ΕΚΤΙΜΗΣΗΣ-ΣΥΓΚΡΙΤΙΚΗ ΥΠΟΛΟΓΙΣΤΙΚΗ ΑΝΑΛΥΣΗ
… TIME AND STORAGE REQUIREMENTS ARE APPLIED TO THE MULTISENSOR ESTIMATION PROBLEMS.
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