{"title":"Analysis of the effects of bearings-only sensors on the performance of the neural extended kalman filter tracking system","authors":"S. Stubberud, K. Kramer, J. A. Geremia","doi":"10.1109/CIMSA.2008.4595832","DOIUrl":"https://doi.org/10.1109/CIMSA.2008.4595832","url":null,"abstract":"The neural extended Kalman filter (NEKF) has proven to be a quality maneuver target tracking system when the sensors provide a fully observable measurement, such as a radarpsilas range-bearing measurement or a position report. As with any state estimation technique, the NEKF requires observability in order to estimate the target track states. Observability is needed as well to train the weights of the neural network, since the neural network training paradigm is coupled to the target states. Passive sensor systems, such as electronic surveillance measures and passive sonar arrays, provide an angle-only measurement. Such bearings-only measurements make the tracking system an unobservable system. For a Kalman filter estimator, this will result in the eigenvalues of the error covariance matrix to grow without bound. For the NEKF, since both the target state and the weights of the neural network are affected by the lack of observability, the results could be more pronounced. In this paper, the application of the NEKF in bearings-only tracking problems is analyzed to determine the effects on performance. The analyzed cases look at a single sensor platform in four important scenarios: a stationary platform and straight-line target, a stationary platform and a maneuvering target, a maneuvering platform and a straight-line target, and a maneuvering platform and a maneuvering target.","PeriodicalId":302812,"journal":{"name":"2008 IEEE International Conference on Computational Intelligence for Measurement Systems and Applications","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123053935","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Improvements to the bacterial memetic algorithm used for fuzzy rule base extraction","authors":"L. Gál, János Botzheim, L. Kóczy","doi":"10.1109/CIMSA.2008.4595829","DOIUrl":"https://doi.org/10.1109/CIMSA.2008.4595829","url":null,"abstract":"In this paper we discuss new methods to improve the bacterial memetic algorithm (BMA) used for fuzzy rule base extraction. The first two methods are knot order violation handling methods which improves the performance of the BMA rather in the case of more complex fuzzy rule base. The third method is a new modification of the BMA in which the order of the operators is modified. This method improves the performance of the BMA rather in the case of less complex fuzzy rule base.","PeriodicalId":302812,"journal":{"name":"2008 IEEE International Conference on Computational Intelligence for Measurement Systems and Applications","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121586418","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Uncertainty mesurement in video and infrared cameras system","authors":"B. Cornel, S. Mircea","doi":"10.1109/CIMSA.2008.4595821","DOIUrl":"https://doi.org/10.1109/CIMSA.2008.4595821","url":null,"abstract":"Video and infrared cameras can be used in a variety of applications for measurements and recognitions. But these entire situations are affected by different degrees of uncertainty. In order to evaluate this uncertainty we propose a new method of mesurement based on fuzzy similarity. From two independent systems based on video and respectively on infrared cameras, two uncertainty evaluations are obtained. Based on these data, an information fusion is performed, taking in consideration the complementary behavior in time of the systems. The final result is proved to outperform each of the independently taken uncertainty measurements.","PeriodicalId":302812,"journal":{"name":"2008 IEEE International Conference on Computational Intelligence for Measurement Systems and Applications","volume":"102 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123512588","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Multiscale windowed denoising and segmentation of hyperspectral images","authors":"G. Bilgin, S. Erturk, T. Yıldırım","doi":"10.1109/CIMSA.2008.4595828","DOIUrl":"https://doi.org/10.1109/CIMSA.2008.4595828","url":null,"abstract":"This paper presents the effects of multiscale windowed denoising of spectral signatures before segmentation of hyperspectral images. In the proposed denoising approach it is intended to exploit both spectral and spatial information of the hyperspectral images by using wavelets and principal component analysis. The windowed structure incorporated for this method exploits spatial information by making use of possibly highly correlated pixels. In addition to the proposed method, the segmented PCA is also investigated and compared in the experimental results with a proper modification. In the segmentation process, the K-means and fuzzy-ART algorithms are used. Especially fuzzy-ART is a fast learning network and can be used in high dimensional and high volume data such as hyperspectral images. In the experiments it has been shown that multiscale windowed principal component denoising has positive effects on the segmentation/clustering level.","PeriodicalId":302812,"journal":{"name":"2008 IEEE International Conference on Computational Intelligence for Measurement Systems and Applications","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124921632","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hui-min Hao, Jianan Cao, Hongliang Wang, Zhiqiang Yu, Junhua Liu
{"title":"Coupling Kernel Principal Component Analysis with ANN for improving analysis accuracy of seven-component alkane gaseous mixture","authors":"Hui-min Hao, Jianan Cao, Hongliang Wang, Zhiqiang Yu, Junhua Liu","doi":"10.1109/CIMSA.2008.4595823","DOIUrl":"https://doi.org/10.1109/CIMSA.2008.4595823","url":null,"abstract":"To further improving the analysis accuracy of Artificial Neural Networks (ANN) model for quantitative analysis of seven-component alkane gaseous mixtures composed of methane, ethane, propane, isobutane, n-butane, isopentane, and n-pentane, the Kernel Principal Component Analysis (KPCA) technique was proposed to couple with it. The gaseous mixtures were measured by a novel Acousto-Optic Tunable Filter Near Infrared (AOTF-NIR) spectrometer. KPCA mapped the NIR spectral data of gaseous mixtures by a Gaussian kernel to a high-dimensional feature space and implemented feature extraction in it. As input variables, the extracted features were fed into a three-layered ANN to create quantitative analysis model of above-mentioned seven component gases. The performance of KPCA-NN model was assessed by Root Mean Square Error of Prediction (RMSEP) of testing set. The RMSEP of seven components by KPCA-ANN were less than 0.361%. Comparing with the ANN model without KPCA feature extraction, the KPCA-ANN model obtained the less RMSEP values. The research results indicated that the KPCA-NN model shows higher analysis accuracy than ANN model.","PeriodicalId":302812,"journal":{"name":"2008 IEEE International Conference on Computational Intelligence for Measurement Systems and Applications","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133569701","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Reliability assessment under uncertainty using Dempster-Shafer and vague set theories","authors":"S. Pashazadeh, M. Sharifi","doi":"10.1109/CIMSA.2008.4595847","DOIUrl":"https://doi.org/10.1109/CIMSA.2008.4595847","url":null,"abstract":"Analyzing reliability of a system in design stage requires expertpsilas estimations and statistical data with various degrees of epistemic uncertainty and doing aggregation in a coherent framework. Dempster-Shafer (DS) theory is theorypotentially valuable tool for combination of evidence obtained from multiple different sources. One approach for fuzzy reliability assessment is using Vague set (VS) theory. DS theory has many similarities with VS theory. Uncertain raw data about the component reliability of a system can be combined using different combination methods of DS theory and can be represented in the form of triangular fuzzy vague number. Using the proper methods and equations, the fuzzy reliability of the system can be computed with triangular vague numbers of components reliability. Combining these two theories eliminates the gap between the representation of combined evidences and the way of representing the reliability of components in the VS theory for reliability assessment. Our proposed method eliminates this gap in very convenient form. Because of closed relevance of these two theories we can represent the output of DS combination in the form of vague triangular number in the VS theory. With this method we eliminate the loss of meaningful information in this conversion.","PeriodicalId":302812,"journal":{"name":"2008 IEEE International Conference on Computational Intelligence for Measurement Systems and Applications","volume":"138 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134484087","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Application of data approximation and classification in measurement systems - comparison of “neural network” and “Least Squares” approximation","authors":"Amir Jabbari, R. Jedermann, W. Lang","doi":"10.1109/CIMSA.2008.4595834","DOIUrl":"https://doi.org/10.1109/CIMSA.2008.4595834","url":null,"abstract":"In measurement systems, environmental conditions are measured based on predefined scenarios. Measured data are then processed in either a decentralized or centralized manner. In advanced systems (especially for distributed data processing), taking artificial intelligence features into consideration could improve measurement performance and reliability. It is assumed as autonomy in measurement system which leads to distributed ldquointelligent data measurement and processingrdquo. In this paper, two different methodologies for ldquotemperature predictionrdquo are compared. A discussion concerning the classification of recorded data is then presented. Both a mathematical approach, the so-called ldquoleast squaresrdquo approach, and a model-free approach, called back-propagation, are applied and compared for temperature approximation. After approximation, the predicted temperature values are compared with real temperature records for classification purposes. The ldquoclassification mechanismrdquo includes signal processing features for improving performance.","PeriodicalId":302812,"journal":{"name":"2008 IEEE International Conference on Computational Intelligence for Measurement Systems and Applications","volume":"73 3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133652200","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Categorization of power quality transients using higher-order statistics and competitive layers-based neural networks","authors":"J.-J.G. de-la-Rosa, A. M. Muñoz","doi":"10.1109/CIMSA.2008.4595838","DOIUrl":"https://doi.org/10.1109/CIMSA.2008.4595838","url":null,"abstract":"This paper deals with power-quality (PQ) event detection, classification and characterization using higher-order sliding cumulants (which are calculated over high-pass filtered signals to avoid the low-frequency 50-Hz sinusoid), whose maxima and minima are the coordinates of two-dimensional feature vectors. The classification strategy is based in competitive layers. We focus on the problem of differentiating two types of transients: short-duration (impulsive transients) and long-duration (oscillatory transients). The results show that the measured vectors are classified into clearly differentiated clusters in the feature space. The experience aims to set the foundations of an automatic procedure for PQ event detection.","PeriodicalId":302812,"journal":{"name":"2008 IEEE International Conference on Computational Intelligence for Measurement Systems and Applications","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134608245","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"An occupancy grid based SLAM method","authors":"Ozan Ozisik, Sirma Yavuz","doi":"10.1109/CIMSA.2008.4595844","DOIUrl":"https://doi.org/10.1109/CIMSA.2008.4595844","url":null,"abstract":"Simultaneous localization and mapping (SLAM) is an active area of research. SLAM algorithms should allow the robot to start its movement from a random position in an unknown environment and to build the map of the area while knowing its own position relative to the map. Thus, at the end of the mapping task robot should be able to return where it has started. Especially in real time applications, using limited sensor data, there are still many problems to be conquered. In this study a probabilistic occupancy grid approach is proposed to build the map of an unknown environment. The method tested both in a simulation environment and on a real robot. Although there are some improvements to be made, the initial results are promising.","PeriodicalId":302812,"journal":{"name":"2008 IEEE International Conference on Computational Intelligence for Measurement Systems and Applications","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127788916","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A quality of performance model for evaluating post-stroke patients","authors":"A. Alamri, M. Eid, A. El Saddik","doi":"10.1109/CIMSA.2008.4595824","DOIUrl":"https://doi.org/10.1109/CIMSA.2008.4595824","url":null,"abstract":"Augmented reality (AR) has recently emerged as an assistive tool for effective diagnosis and rehabilitation intervention. However, measuring the quality of performance (QoP) of patients has gained limited attention from the research community. The objective of this paper is to propose and test a evaluation taxonomy for an AR-based stroke patient rehabilitation system that is currently under development at the MCRlab, University of Ottawa. The taxonomy is modeled using a fuzzy logic inference (FLI) system to quantitatively measure the QoP of the patient and eventually provide the therapist with discrete recommendation regarding the progress of patient treatment.","PeriodicalId":302812,"journal":{"name":"2008 IEEE International Conference on Computational Intelligence for Measurement Systems and Applications","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130763085","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}