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University of New Orleans Electronic Theses and Dissertations
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University of New Orleans Electronic Theses and Dissertations
  • All fields: detection
(38 results)



Display: 20

    • Adaptive Estimation and Detection Techniques with Applications

    • Adaptive Estimation and Detection Techniques with Applications

    • Variable structure multiple model estimation; Fault detection and identification; Maneuvering target tracking; Sequential probability ratio test; Multiple model estimation; Hybrid estimation

    • Hybrid systems have been identified as one of the main directions in control theory and attracted increasing attention in recent years due to their huge diversity of engineering applications. Multiplemodel (MM) estimation is the state-of-the-art...

    • 2005-08-10;
    • Power System Fault Detection Using Conductor Dynamics

    • Power System Fault Detection Using Conductor Dynamics

    • Detect; Conductor; Dynamics; Power system; Bundle; Pinch; Setting; Relay; Substation; Design; Bus; Rigid; Fault; Deflection

    • Power system fault detection is conventionally achieved using current and potential measurements. An alternate and unconventional form of protective relaying is feasible using rigid bus conductor motion as the means of detection. The...

    • 2005-08-10;
    • Steganalysis Techniques: A Comparative Study

    • Steganalysis Techniques: A Comparative Study
    •  

    • Steganography is the art of hiding information within cover objects like images or audio/video files. It has been widely reported that there has been a surge in the use of steganography for criminal activities and therefore, implementing effective...

    • 2007-05-18;
    • Dynamic Behavioral Analysis of Malicious Software with Norman Sandbox

    • Dynamic Behavioral Analysis of Malicious Software with Norman Sandbox

    • signature, behavior, Norman, sandbox, malicious software detection

    • Current signature-based Anti-Virus (AV) detection approaches take, on average, two weeks from discovery to definition update release to AV users. In addition, these signatures get stale quickly: AV products miss between 25%-80% of new malicious...

    • 2010-08-05
    • Wireless Intrusion Detection Sytem

    • Wireless Intrusion Detection Sytem

    • Wireless; 802.11; 802.11b; intrusion detection; security

    • The decrease in price and the ease of use of wireless network devices make them an attractive alternative to standard wired networks. However, the intrinsic insecurity of wireless media and weaknesses in the standards for use of wireless media...

    • 2004-12-17;
    • Novel Pitch Detection Algorithm With Application to Speech Coding

    • Novel Pitch Detection Algorithm With Application to Speech Coding

    • fundamental frequency; speech coding; wavelets and linear predictive coding

    • This thesis introduces a novel method for accurate pitch detection and speech segmentation, named Multi-feature, Autocorrelation (ACR) and Wavelet Technique (MAWT). MAWT uses feature extraction, and ACR applied on Linear Predictive Coding (LPC)...

    • 2003-12-19;
    • A Novel Chirp Slope Keying Modulation Scheme for Underwater Communication

    • A Novel Chirp Slope Keying Modulation Scheme for Underwater Communication

    • Modulation; chirp slope keying; underwater communication

    • A digital modulation method using Chirp-Slope Keying (CSK) is developed for coherent underwater acoustic communications. Effective signal detection is a critical stage in the implementation of any communications system; we will see that CSK solves...

    • 2004-12-17;
    • Target Detection Using a Wavelet-Based Fractal Scheme

    • Target Detection Using a Wavelet-Based Fractal Scheme

    • Target Detection; Wavelet; Fractal

    • In this thesis, a target detection technique using a rotational invariant wavelet-based scheme is presented. The technique is evaluated on Synthetic Aperture Rader (SAR) imaging and compared with a previously developed fractal-based...

    • 2006-05-22;
    • Vehicle detection and tracking using wireless sensors and video cameras

    • Vehicle detection and tracking using wireless sensors and video cameras

    • Surveillance testbed, vehicle detection and tracking, camera calibration, perspective projection model, wireless sensor measurements, Micaz, MoteView. Nonlinear minimization, fminsearch, estimation of camera parameters, azimuth and elevation angles

    • This thesis presents the development of a surveillance testbed using wireless sensors and video cameras for vehicle detection and tracking. The experimental study includes testbed design and discusses some of the implementation issues in using...

    • 2009-08-06;
    • Fatigue Monitoring System

    • Fatigue Monitoring System

    • Fatigue detection, IR active illumination, eyes detection, eyes tracking, workstation operator’s fatigue, PERCLOS, vigilance, alertness

    • This work provides an innovative solution for monitoring fatigue for users behind workstations. A web camera was adjusted to work in near infrared range and a system of 880 nm IR diodes was implemented to create an IR vision system to localize and...

    • 2010-05-14
    • Application of Dirichlet Distribution for Polytopic Model Estimation

    • Application of Dirichlet Distribution for Polytopic Model Estimation

    • Model interpolation, Quasi-Bayes procedure for mixtures, Dirichlet distribution, Jump-Markov linear systems, Polytopic model

    • The polytopic model (PM) structure is often used in the areas of automatic control and fault detection and isolation (FDI). It is an alternative to the multiple model approach which explicitly allows for interpolation among local models. This...

    • 2010-08-05
    • Implementation of Separable & Steerable Gaussian Smoothers on an FPGA

    • Implementation of Separable & Steerable Gaussian Smoothers on an FPGA

    • Field Programmable Gate Arrays (FPGAs), Parallel Image Processing, Directional Smoothing Filters, Steerable Filters, Gaussian Mask, Separable Convolution

    • Smoothing filters have been extensively used for noise removal and image restoration. Directional filters are widely used in computer vision and image processing tasks such as motion analysis, edge detection, line parameter estimation and texture...

    • 2010-12-17

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