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 50 for “"Pattern recognition techniques."”.
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DNA microarray image processing based on advanced pattern recognition techniques
In the present thesis, a novel gridding technique, as well as, two new segmentation methods applied to complementary DNA (cDNA) microarray images is proposed. More precise, a new gridding method based on continuous wavelet transform (CWT) was performed. Line profiles of x and y axis were …
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Recognition of aerospace acoustic sources using advanced pattern recognition techniques
An acoustic pattern recognition system has been developed to identify aerospace acoustic sources. The system is capable of classifying five different types of air and ground sources: jets, propeller planes, helicopters, trains, and wind turbines. The system consists of one microphone for data …
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Pattern recognition techniques applied to rust classification in steel structures
… classification of rust steel surfaces. Various Pattern recognition methods are studied for classifying less subjective steel surfaces from a time corrosion perspective. Our primary contribution is: with appropriate features from the steel surfaces, artificial neural network pattern recognition …
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Automatic solar feature detection using image processing and pattern recognition techniques
… by violent solar activity. Image processing and pattern recognition techniques are applied to this system. For automatic flare detection, the advanced pattern recognition techniques such as Multi-Layer Perceptron (MLP), Radial Basis Function (RBF), and Support Vector Machine (SVM) are used. By …
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Nailfold capillary loop shape analysis and classification by using image processing and pattern recognition techniques.
… "bushy" loops.<br/><br/>We propose the use of pattern recognition algorithms that are based on the evaluation of the capillary shape parameters such as loop length, loop width, limb width, the curvature, orientation, etc., to classify capillaries. By the use of mathematical morphology, …
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Use of soft computing pattern recognition techniques to analyse tropical cyclones from meteorological satellite data
… on developing a unique fuzzy logic based patter recognition algorithm for identifying key recognisable structural elements of North Atlantic basin hurricanes. Due to vaguely defined boundaries and cloud patterns associated to cyclones and hurricanes, existing hurricane detection and …
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Assessment of seismic damage to civil structures using statistical pattern recognition techniques and time series analysis
… as damage sensitive features and statistical pattern recognition techniques were investigated for interpreting changes in the values of these features caused by damage. Initially, an offline damage detection method was developed in which BP ANNs were used for both classification and …
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Use of linear predictive features and pattern recognition techniques to develop a vector quantization based blind SNR estimation system
… this thesis a Vector Quantization (VQ) based pattern recognition system approach is applied to estimate the SNR of speech signals. Features for the VQ system are derived from the speech signals through linear predictive analysis. The system is trained and tested on a range of 0 to 30 dB SNR in …
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Application of Pattern Recognition Techniques to Monitoring-While-Drilling on a Rotary Electric Blasthole Drill at an Open-Pit Coal Mine
This thesis investigates the application of pattern recognition techniques to rock type recognition using monitoring-while-drilling data. The research is focused on data from a large electric blasthole drill operating in an open-pit coal mine. Pre-processing and normalization techniques are applied …
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Monitoring-While-Drilling for Open-Pit Mining in a Hard Rock Environment: An Investigation of Pattern Recognition Techniques Applied to Rock Identification
This thesis investigated the abilities of artificial neural networks as rock classifiers in an open-pit hard rock environment using monitoring-while-drilling (MWD) data. Blast hole drilling data has been collected from an open-pit taconite mine. The data was smoothed with respect to depth and …
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Predicting cardiovascular risks using pattern recognition and data mining.
This thesis presents the use of pattern recognition and data mining techniques into risk prediction models in the clinical domain of cardiovascular medicine. The data is modelled and classified by using a number of alternative pattern recognition and data mining techniques in both supervised and …
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Computer Techniques in Analysing Human Adventitious Lung Sounds
… of applying digital signal processing and pattern recognition techniques to analyse human adventitious lung sounds, which are distinct sound patterns superimposed onto the normal breath sound and are indicative of certain lung diseases. A software program is written which, upon analysing …
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PICTURE PRE-PROCESSING INTERFACE FOR THE SIGMA-2 COMPUTER
… mechanical means are discussed in the light of pattern recognition techniques, and the need for an adequate picture pre-processing scheme considered. This leads to a description of FIDAC in which an alternative driving mode is introduced. The logic of FIDAC is then described in detail in order …
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The automatic identification of aerospace acoustic sources
This work describes the design of an intelligent recognition system used to distinguish noise signatures of five different acoustic sources. The system uses pattern recognition techniques to identify the information obtained from a single microphone. A training phase is used in which the system …
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EMG Control of an Upper-Limb Rehabilitation Exoskeleton for SCI Affected Users
… affected subjects. The presented scheme utilizes pattern recognition techniques to monitor the user's muscle activation patterns and select their intended direction of motion in single or multiple degree-of-freedom (DoF) movements of the elbow and wrist joints. The results presented demonstrate …
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Solar activity detection and prediction using image processing and machine learning techniques
… flares. Image processing and machine learning techniques are applied in this study. These methods can be used for automatic observation of solar activities and prediction of space weather that may have great influence on the near earth environment. The research presented in this dissertation …
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Methods of bacteria recognition relying on simple hardware techniques.
… Traditional (biochemical) methods of bacteria recognition require complicated sample preparation for reliable results. Automated technologies exist for the identification of bacterial cells in suspension, but are relatively expensive with only limited success. Therefore, an early warning system …
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Design of a Multi-biometric Platform, based on physical traits and physiological measures: Face, Iris, Ear, ECG and EEG
… and investments in the area of biometric recognition and video surveillance, especially after the sad happenings of September 2001. Outlays assessments of the U.S. government for the years 2001-2005 estimate that the homeland security spending climbed from $56.0 billions of dollars in 2001 …
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Biclustering and Visualization of High Dimensional Data using VIsual Statistical Data Analyzer
… sets have too many features for conventional pattern recognition techniques to work properly. This thesis investigates techniques that alleviate these difficulties. One such technique, biclustering, clusters data in both dimensions and is inherently resistant to the challenges posed by having …
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Pattern recognition of brain fMRI images for various physiological states
… functions using different stimuli. The use of pattern recognition techniques have made it possible to predict the stimuli being presented from the corresponding brain images and activation patterns. The primary objective of the present study was to use pattern recognition methods to develop a …
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