Now showing items 1954-1973 of 1983

    • Virtual Machine-Assisted Collaborative Junk Object Detection 

      Ma, Ming (University of Waterloo, 2014-08-18)
      Memory leak is unrecoverable software bug that causes performance degradation and re- liability issues to software applications. Although memory management systems exist in modern Object Oriented Language to reclaim unused ...
    • Vision Augmented State Estimation with Fault Tolerance 

      Chandail, Rahul (University of Waterloo, 2018-05-15)
      Obtaining accurate and reliable measurement data is really crucial for any vehicle system, especially if the system deals with maintaining safe operations of the vehicle. Conventional direct methods of obtaining such ...
    • Visual Attention for Robotic Cognition: A Biologically Inspired Probabilistic Architecture 

      Begum, Momotaz (University of Waterloo, 2010-06-18)
      The human being, the most magnificent autonomous entity in the universe, frequently takes the decision of `what to look at' in their day-to-day life without even realizing the complexities of the underlying process. When ...
    • Visual Attention-based Small Screen Adaptation for H.264 Videos 

      Mukherjee, Abir (University of Waterloo, 2008-08-29)
      We develop a framework that uses visual attention analysis combined with temporal coherence to detect the attended region from a H.264 video bitstream, and display it on a small screen. A visual attention module based ...
    • Visual Content Characterization Based on Encoding Rate-Distortion Analysis 

      Li, Zhuoran (University of Waterloo, 2023-02-27)
      Visual content characterization is a fundamentally important but under exploited step in dataset construction, which is essential in solving many image processing and computer vision problems. In the era of machine learning, ...
    • Viterbi Decoding for OFDM systems operating in narrow band interference 

      Mukherjee, Arijit (University of Waterloo, 2009-10-05)
      Our main objective in this thesis is to study the effect of narrow band interference on OFDM systems operating in the 2.4 Ghz ISM band and identify ways to improve upon existing techniques to deal with them. We first ...
    • Voice Capacity and Data Response Time in Cognitive Radio Networks 

      Gunawardena, Subodha (University of Waterloo, 2013-05-22)
      The growing interest towards wireless communication services over the recent years has increased the demand for radio spectrum. Inefficient spectrum management together with the scarcity of the radio spectrum is a limiting ...
    • Voltage Sag Ride-Through and Harmonics Mitigation for Adjustable Speed Drives using Dual-Functional Hardware 

      Salib, Anton Samir (University of Waterloo, 2006)
      Great portion of today's industry are <em>Adjustable Speed Drives</em> (<em>ASD's</em>) operated in order to fulfill certain processes. When these processes are critical ones or sensitive to voltage disturbances, that ...
    • Voltage Stability Analysis with High Distributed Generation (DG) Penetration 

      Al-Abri, Rashid (University of Waterloo, 2012-08-14)
      Interest in Distributed Generation (DG) in power system networks has been growing rapidly. This increase can be explained by factors such as environmental concerns, the restructuring of electricity businesses, and the ...
    • Voting-Based Consensus of Data Partitions 

      Ayad, Hanan (University of Waterloo, 2008-08-29)
      Over the past few years, there has been a renewed interest in the consensus problem for ensembles of partitions. Recent work is primarily motivated by the developments in the area of combining multiple supervised learners. ...
    • vProfile: Voltage-Based Sender Identification on Controller Area Networks 

      Liu, Nathan Dingming (University of Waterloo, 2021-08-25)
      Modern vehicles are becoming more accessible targets for cyberattacks due to the proliferation of wireless communication channels. The intra-vehicle Controller Area Network (CAN) bus lacks sender authentication, exposing ...
    • WasmWalker: Path-based Code Representations for Improved WebAssembly Program Analysis 

      Robati Shirzad, Mohammad (University of Waterloo, 2023-05-05)
      WebAssembly, or Wasm, is a low-level binary language that enables execution of near-native-performance code in web browsers. Wasm has proven to be useful in applications including gaming, audio and video processing, and ...
    • A Watermarking-Based Framework for Protecting Deep Image Classifiers Against Adversarial Attacks 

      Sun, Chen (University of Waterloo, 2021-09-27)
      Although deep learning-based models have achieved tremendous success in image-related tasks, they are known to be vulnerable to adversarial examples---inputs with imperceptible, but subtly crafted perturbation which fool ...
    • Wavelet Filter Banks in Perceptual Audio Coding 

      Lee, Peter (University of Waterloo, 2003)
      This thesis studies the application of the wavelet filter bank (WFB) in perceptual audio coding by providing brief overviews of perceptual coding, psychoacoustics, wavelet theory, and existing wavelet coding algorithms. ...
    • Weak invariant simulation and analysis of parameterized networks 

      ZIbaeenejad, Mohammad Hadi (University of Waterloo, 2014-12-11)
      Multi-process networks figure in many engineering applications such as communication networks, transportation networks, manufacturing and logistic systems, and computer hardware and software. Parameterized discrete event ...
    • Wearable RF Resonant Gaseous Chemical Sensor Array 

      Chen, Wei Ting (Scott) (University of Waterloo, 2015-05-01)
      Biomarker detection is a major engineering goal that enables numerous applications in the fields of biomedical and law enforcement. By monitoring the conditions of the subject with a dedicated biomarker detection system, ...
    • Wideband Micro-Power Generators for Vibration Energy Harvesting 

      Soliman, Mostafa (University of Waterloo, 2009-08-24)
      Energy harvesters collect and convert energy available in the environment into useful electrical power to satisfy the power requirements of autonomous systems. Vibration energy is a prevalent source of waste energy in ...
    • Wideband Rectenna System for Microwave Power Transfer 

      Aldosari, Mohammed (University of Waterloo, 2018-08-14)
      One of the fundamental devices in Microwave Power Transfer (MPT) is the recenna or rectifying antenna, which collects the electromagnetic energy from the free space and convert it directly to a useful DC power. Although ...
    • Widely Linear MIMO MMSE Filter and Joint MLSE for VAMOS 

      Huang, Wenjie (University of Waterloo, 2010-10-01)
      Currently, the 3rd Generation Partnership Project (3GPP) standards body is working actively to specify Voice services over Adaptive Multi-user channels on One Slot (VAMOS), an enhanced transmission scheme to double the ...
    • Wind Farms Production: Control and Prediction 

      EL-Fouly, Tarek Hussein Mostafa (University of Waterloo, 2007-10-16)
      Wind energy resources, unlike dispatchable central station generation, produce power dependable on external irregular source and that is the incident wind speed which does not always blow when electricity is needed. This ...


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