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Yayın tarihi için Elektrik- Elektronik Mühendisliği listeleme

Yayın tarihi için Elektrik- Elektronik Mühendisliği listeleme

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  • Multi-user communication over hybrid FSO UWB channels 
    Çağıral, Erman. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    UWB communication provides high data rates with a simple signal model over RF channels up to 10 meters. In literature, several studies have been done to generate and transmit UWB signals over optical carrier via fiber ...
  • A learning framework for robust hashing of face images 
    Şenel, Kamil. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    Robust image hashing has been actively researched over the last decade with varied applications in image content authentication and identification under distortions. In the existing literature on robust image hashing, hash ...
  • Voice conversion for reconstruction of dysphonic speech 
    Tarakcıoğlu, Gönenç Seçil. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    The medical term "dysphonia" is used for voice disorders caused by functional impairment of voice organs which results in inadequate oscillatory movement of the vocal folds. Dysphonic speech is typically hoarse, rough and ...
  • A generalized pareto front approach for performance estimation in analog design automation systems 
    Deniz, Engin. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    The design of analog circuits requires a deep insight into both physical and technological parameter interactions. In addition, every application of analog circuits has speci c constraints and requirements with large number ...
  • People detection in cluttered scenes 
    Öztürk, Serdar. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    In this thesis, we have performed people detection in cluttered scenes. The people search operation in an image is performed by sliding a detection window and converting the content of each window to a feature vector. Dense ...
  • Design of low noise CCII based current mode circuits to be used in high frequency applications 
    Arslan, Emre. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    High performance analog circuits need to be modified according to modern telecommunication needs such as higher frequency (GHz regions), low power, low voltage, low noise and higher relative dynamic range. The attractive ...
  • Center of gravity estimation and rollover prevention using Kalman filtering techniques 
    Dere, Ali Dinçer. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    Due to its impacts on human safety and its economical cost, vehicle rollover is a very important safety issue that attracts the attention of major vehicle manufacturers and researchers. The objective of this thesis is to ...
  • Second order sigma delta modulator architecture with low voltage swing at the output of the first integrator 
    Çakır, Necmettin Levent. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    The technological improvements in digital Very Large Scale Integration (VLSI) circuits increase the need of analog digital converter with high performance and lower power consumption. Primarily, the oversampling techniques ...
  • Comparative evaluation of birth and death method and orthogonal matching pursuit in image analysis 
    Arslan, Fatih. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    We present a new approach to extract predefined circular objects, such as trees and oil tanks, from aerial images. We consider a stochastic approach based on an object process also called marked point process. The objects ...
  • Impulse radio ultra-wideband communication over free-space optical links 
    Davaslıoğlu, Kemal. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    A composite impulse radio ultra-wideband (IR-UWB) communication system is presented. The proposed system model aims to transmit UWB pulses over several kilometers through free-space optical (FSO) links and depending on the ...
  • Using sonar ears for robotic navigation 
    Erdem, Mustafa. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    This thesis presents work on previously developed hardware module for in-air ultrasound measurements and analysis. Redesigned hardware and firmware enable real-time ultrasound echo measurements which are then transmitted ...
  • Indexation, retrieval and decision techniques for spoken term detection 
    Can, Doğan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    Speech Retrieval (SR) systems aim to provide access to large multimedia archives that include a vast amount of spoken media like lecture videos, podcasts, news clips and audio books. To that end, SR integrates two well ...
  • Design of a PDA-based stethoscope for pulmonary sound parametrization and classification 
    Özdemir, Ömer Faruk. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    Technological developments made in the near past, gave us a chance to analyze respiratory sounds quantitatively. Digitization of respiratory sounds, obviously, was the key in the analysis of respiratory sounds. Although ...
  • Performance bounds on the localization of cellular phones using RSS measurements with unknown pathloss exponents 
    Sarı, Veli. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    In this thesis, performance of an Received Signal Strength (RSS) based location estimation model, which incorporates the antenna radiation pattern information into log-normal path loss the signal model is evaluated. ...
  • Alternative arithmetic structures using redundant numbers and multi-valued circuit techniques 
    Çini, Uğur. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    Arithmetic circuits play a crucial role in VLSI technology. Arithmetic blocks are usually the most power consuming parts in a system since the switching activity is quite high. Alternative arithmetic implementations can ...
  • Fusing acoustic and linguistic parameters for multilingual emotion recognition 
    Erden, Mustafa. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Emotion recognition from speech can be used for detection of customer problems in call centers, agent performance monitoring, improving automatic speech recognition accuracies, enhancing human robot as well as human machine ...
  • Analog cell sizing using enhanced multi-objective evolutionary algorithm (MOEA/D-DE) and forming a feedback loop interface between SACSES and TOLAS 
    Sipahi, Süha. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    This thesis investigates an evolutionary-based design system for automated sizing of analog integrated circuits (ICs). A new algorithm, called multi-objective evolutionary algorithm based on decomposition using enhanced ...
  • The design aspects of an optically powered CMOS receiver front-end for electrically isolated applications 
    Aktan, Ozan. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    The receiver circuitry in a wireless communication system is a key component in determining the overall system performance. The power of the receiver circuitry is usually provided from a battery or through copper wires. ...
  • Realization of two dimensional MEMS based displays using polymer composite micro-scanners integrated with one dimensional polymer LED arrays 
    Gökdel, Yiğit Dağhan. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    A novel type of displays are realized by hybrid and monolithic integration of optoelectronic devices with micro electro mechanical systems (MEMS). MEMS platform, with mechanical quality factor (20-50 in air) enhanced ...
  • Assessing DT-MRI tractography results via sampling the fiber tract space 
    Yoldemir, Ahmet Burak. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Complex neural processes in human brain are realized through a huge number of connections between neural cells. White matter tractography is the only available tool to reconstruct these anatomical connectivities non-invasively ...