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Browsing Elektrik- Elektronik Mühendisliği by Issue Date

Browsing Elektrik- Elektronik Mühendisliği by Issue Date

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  • Texture defect detection using wavelet transforms 
    Amet, Ahmet Latif. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Sciences and Engineering, 1997., 1997.)
    In recent years, achievements obtained in machine vision were on the way to facilitate computers replace several tasks heretofore performed by humans. Among those tasks, visual inspection of textile fabrics is one of ...
  • VLSI implementation of a new standard for lossless compression of continuous-tone still images 
    Aktürk, A. Suat. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1998., 1998.)
    In this thesis, an integrated circuit realizing lossless compression of continuous-tone still images is designed. Lossless compression has two main parts. In the encoding part, digital source image data are encoded in order ...
  • A hybrid document segmentation method for Turkish newspapers 
    Aktaş, M. Feridun. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1998., 1998.)
    Today most of the information is conveyed in the form of printed papers. The range of them varies from the newspapers to formal correspondence letters, from banking documents to envelopes etc. The evaluation of document ...
  • VLSI implementation of a secure communication system using current-mode chaotic circuits 
    Nişancı, Sedat. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1999., 1999.)
    Analogue IC(Integrated Circuit) design is historically seen as a voltage dominated form of signal processing. In fact, the analogue devices that are often used (e.g. transistors) are current output devices, so we can utilize ...
  • Development of a high level synthesis tool specialized on fir-based multirate systems 
    Yurdakul, Arda. (Thesis (Ph.D.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1999., 1999.)
    Digital Signal Processing (DSP) is the most studied area in design automation, because it is one of the most well-established branches of electrical engineering for several years. In the last few years, it is stimulated ...
  • Multilayer perceptron neural network in analog VLSI-A system level study 
    Öğrenci, Arif Selçuk. (Thesis (Ph.D.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1999., 1999.)
    Analog neural networks exhibit a potential for proper/suitable hardware implementation of artificial neural networks. Their advantages such as small size, low power and high speed, however, are seriously questioned/confronted ...
  • Effects of lossy compression on face recognition algorithms 
    Kamaşak, Mustafa. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1999., 1999.)
    Face databases can consist of a few hundreds of face images to thousands, even millions. Because of storage and banwidth limitations, face databases are maintained under compressed domain. One of the related problems is ...
  • Variable structure systems theory based training strategies for computationally intelligent systems 
    Efe, Mehmet Önder. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2000., 2000.)
    Noise rejection, handling the plant-model mismatches and alleviation of structured or unstructured uncertainties constitute prime challenges that are frequently encountered in the practice of systems and control engineering. ...
  • Architectures and implementations for speech enhancement 
    Coşgül, Gökhan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2000., 2000.)
    Complexity of a high performance speech enhancement algorithm has been reduced while retaining its quality. This modification leads to faster implementation as well as lower cost.The reduced complexity speech enhancement ...
  • Targeting via region scheduling for the control of chaotic systems 
    Aksoy, Özgür. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2000., 2000.)
    The local control method for chaotic dynamics as proposed by Ott, Grebogi and Yorke (the OGY method) has drawn the attention of many non-linear system researchers within the last decade. This method exploits the properties ...
  • Logic-level pover estimation in CMOS VLSI circuits 
    Aktan, Mustafa. (Thesis (M.S.) - Bogazici University. Institue for Graduate Studies in Science and Engineering, 2001., 2001.)
    In this thesis, a power estimator for both combinational and sequential CMOS logic circuits is presented. The estimation method is probabilistic in nature and is based on tagged probabilistic simulation (TPS). TPS can ...
  • A general design methodology for embedded high speed A/D converters 
    Talay, Selçuk. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2001., 2001.)
    There are various types of analog-to-digital converters available in the literature. The fast and efficient data converter design automation systems gaining more and more interest. Although there are tools available for ...
  • Statistical language models for large vocabulary Turkish speech recognition 
    Dutağacı, Helin. (Thesis (M.S.) - Bogazici University. Institue for Graduate Studies in Science and Engineering, 2002., 2002.)
    In this thesis we have compared four statistical language models for large vocabulary Turkish speech recognition. Turkish is an agglutinative language and has a productive morphotactics. This property of Turkish results ...
  • Blind collision resolution for wireless multiple access using independent component analysis 
    Özgül, Barış. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2002., 2002.)
    In wireless random access networks, packet collision is an important medium access problem for the packet radio environment. Simple protocols such as the slotted ALOHA do not provide an efficient solution to the collision ...
  • Duration analysis and modelling for Turkish text to speech synthesis 
    Şayli, Ömer. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2002., 2002.)
    Naturalness in TTS systems plays a big role in the acceptability of the TTS synthesis outputs. Rhythm, intonation, stress pattern, pitch and duration (timing) are the most important parameters which effect naturalness of ...
  • Recognition of planar objects using multiresolution analysis 
    Güney, Nazlı. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2003., 2003.)
    Object recognition is one of the biggest problems in computer vision. In order to be able to solve this problem, many methods have been tried in the past. Wavelets, which have successfully been used in such areas as image ...
  • An analytical performance estimation tool for analog computer aided design 
    Kayaaltı, Balkır. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2003., 2003.)
    Automatic analog design tools are very attractive for the integrated circuit (IC) providers, because they increase the employees' efficiency and productivity; eliminate the high time and effort consumption. A performance ...
  • Analysis of functional near infrared spectroscopy signals 
    Akgül, Ceyhun Burak. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2004., 2004.)
    In recent years, positron emission tomography (PET) and functional magnetic resonance imaging (fMRI) have facilitated the monitoring of the human brain non-invasively, during functional activity. Nevertheless, the use of ...
  • Active filter design with unity gain current cells 
    Erdoğan, Erdem Serkan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2004., 2004.)
    In this thesis, the design of a current follower (CF) starting from the building stages as input, inversion and output, is presented together with the newly proposed circuit techniques to improve the performance of the CF ...
  • Reconfiguring sliding-mode controller for underwater vehicles 
    Demirci, Ufuk. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2004., 2004.)
    The challenging control problem of underwater vehicles is addressed in this study under excessive sea wave disturbances at shallow submerged operation. The systems are becoming more and more complex with the effect of rapid ...

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