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Browsing M.S. Theses by Author "Sankur, Bülent."

Browsing M.S. Theses by Author "Sankur, Bülent."

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  • A bottom-up approach to peer-to-peer live multicast 
    Öztaş, Başak. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    The implementation difficulty of IP multicast in terms of both structural and economical reasons, headed the multicast functionality towards higher layers. Peerto- peer multicasting have aroused as a potential solution for ...
  • 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 ...
  • A nonuniform sampling approach to data compression of speech and voiceband data signals 
    Bingöl, Ahmet Semih. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1985., 1985.)
    Using voiceband data and speech like signals the performance of the Asynchronous Delta Modulator. (ASDM) has been investigated and its capabilities as a potential medium-band speech coder have been evaluated. The asynchronous ...
  • 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 ...
  • Application of adaptive state estimation to target tracking 
    Özel, H. Yücel. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1986., 1986.)
  • Automatic analysis of head and facial gestures in video streams 
    Akakın, Hatice Çınar. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    Automatic analysis of head gestures and facial expressions is a challenging research area and it has significant applications for intelligent human-computer interfaces. An important task is the automatic classification of ...
  • Automatic topic categorization of Turkish Faxed Bank documents in the presence of OCR errors 
    Öztürk, Seçil. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    The technological advances in the last decades facilitated the easy transfer and storage of huge amounts of scanned soft documents. This improvement brings the challenge of automatically classifying big, unbalanced, ...
  • Comparison of single and multi frame super resolution reconstruction algorithms with analytical interpolation methods 
    Özdemir, Hüseyin. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Generating high resolution image (or image sequence) from low resolution image (or image sequence) has various applications such as image expansion, printing and conversion between different resolution formats. There is a ...
  • 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 ...
  • Evaluation of 2D local image descriptors and feature encoding methods for depth image based object class recognition 
    Kayım, Güney. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    In this thesis, we have investigated the 3D object class recognition problem. We used an approach that solves this problem with the use of depth images obtained from 3D object models. In the approach we used, 3D object ...
  • Maximum disparity estimation for depth discomfort detection 
    Gürol, Ömer Can. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    This thesis documents a work in which prediction of depth related discomfort levels, while watching stereoscopic 3D videos is studied. In commercial 3D videos, excessive depth levels can cause discomfort to the viewer and ...
  • 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 ...
  • Picture processing techniques 
    Mergen, Tijen. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1984., 1984.)
    Image processing techniques find applications in many areas, chief among which are image enhancement, picture compression, pattern recognition, efficient picture coding and image understanding. In this master thesis, some ...
  • Probabilistic time series classification 
    Sübakan, Yusuf Cem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    In this thesis, we investigate probabilistic methods for time series classification and clustering problems. For various classification and clustering tasks, we survey different time series models such as Markov models, ...
  • Prosodically guided syllable based speaker independent isolated Turkish word recognizer 
    Ersoy, Cem. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1986., 1986.)
  • Real time speech synthesis using reflection coefficients 
    Özbek, Hüsnü. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1986., 1986)
    This master thesis gives a way to analyze speech wavefore in order to store the speech at a lower bit rate ratner than the classical ways. During the analysis Linear Predictive Coding is used where speech is represented ...
  • Robust facial feature localization in frontal views 
    Çeliktutan, Oya. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    In this thesis, we focus on the reliable detection of facial fiducial points in frontal face images, such as eye, eyebrow and mouth corners. The proposed algorithm aims to improve automatic landmarking performance in ...
  • Robust watermarking of compressive sensed measurements under noise attacks 
    Yamaç, Mehmet. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    Traditional methods in data acquisition follow Shannon /Nyquist sampling theorem; one must sample a band-limited signal by at least two times faster than the signal bandwidth to exactly reconstruct the signal. However, ...
  • Semianalytic computer simulation of digital communication systems 
    Altınkaya, Mustafa Aziz. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1990., 1990.)
    Digital communication systems are subject to various realization imperfections and outer disturbances. The effect of such problems on the systems performance are difficult to solve using only analytical techniques. So, ...
  • Smoothing and refinement of motion vector fields for video frame rate conversion applications 
    Malkoç, Ümit. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    The main goal of Video Enhancement (VE) applications is to improve the visual quality of the video by modifying the input frame sequence. The enhancement operations could be performed in the spatial domain (each frame of ...

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