Browsing Fen Bilimleri Enstitüsü by Title

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  • Virtual screening and docking of potential protein kinase B inhibitors 
    Kenar, Seval. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    This study aims to carry out a molecular docking process of novel ATP competitive inhibitors for protein kinase B-beta (PKBβ / AKT-2), activation of which has been observed in 30-40% of ovarian and pancreatic cancers. 3D ...
  • Virulence and genetic diversity of Colletotrichum Lindemuthianum isolates collected from common bean varieties of Turkey 
    Küçükyan Canseven, Serli. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    The common bean (Phaseolus vulgaris L.) is the most widely distributed and consumed legume species of the genus Phaseolus. As one of the major producer in the world, common bean production is highly dominated by the Black ...
  • Vision based automated landing of quadrotors 
    Mete, Mustafa. (Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in the Social Sciences, 2018., 2018.)
    This thesis focuses on the design and development of quadrotors that are capable of autonomous landing on a stationary platform. This problem is motivated by the fact that quadrotors have to land frequently to charge their ...
  • Vision based control algorithms for a small size robot soccer team 
    Karaoğuz, Hakan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Multi-robot coordination is one of the hot topics of today's robotics research. In our case, our main concern is to build up a small sized (SSL) robot soccer team. Robot soccer requires e ective and fast robot control and ...
  • Vision based real-time continuous 3D hand gesture recognition interface for generic applications based on input-output hidden Markov models 
    Keskin, Cem. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    This study focuses on the application of InputOutput Hidden Markov Models (IOHMM) to the recognition of 3D hand gestures that involve both hand motion and hand posture in a stereo visionbased approach. The proposed system ...
  • Vision based sign language recognition: modeling and recognizing isolated signs with manual and non-manual components 
    Aran, Oya. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    This thesis addresses the problem of vision based sign language recognition and focuses on three main tasks to design improved techniques that increase the perfor- mance of sign language recognition systems. We first attack ...
  • Vision correction for the visually impaired via digital image processing 
    Keleş, Onur. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    In this study, an adjustment based on the mathematical modeling on digital screens for people with refractive visual impairments is proposed. According to the laws of refraction and diffraction, the human eye can be considered ...
  • Visual product recognition from retail scenes 
    Aydın, Alper. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    In this thesis project, we explore the problem of recognizing the products in retail scenes. We proposed a method where we localize the products by detecting their separating boundaries and recognize the product images ...
  • VLSI implemantation of an M-band wavelet filter 
    Atabek, K. Yavuz. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1996., 1996.)
    In this thesis, an integrated circuit realizing M-Band wavelet transfqrm and its perfect reconstruction (PR) counter part is designed. Although M is taken as 4 in the design, the M-Band Wavelet Transform has all four ...
  • 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 ...
  • 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 ...
  • 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 ...
  • Voice driven keyword spotter 
    Çengelci, Onur. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    We designed a voice driven keyword spotter. To improve the success of the system, we made use of synthetically generated voice inputs in addition to natural voice inputs and used approximate string matching instead of exact ...
  • VoIP performance in NGEO satellite IP networks with on-board processing capability 
    Bayhan, Suzan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    In this thesis study, an adaptive routing policy utilizing the real-time network information of a two-layered satellite network is introduced. In a satellite network, de- pending on the requirements and properties of ...
  • Vulnerability of networks against rank ordered independent link failures 
    Çolak, Serdar. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    In this study, various random and regular networks are investigated and compared in terms of their vulnerabilities against independent but ordered failures. Upon the mathematical basis of graph theory, methods of analysis ...
  • Water - gated field effect transistor with integrated microfluidic channel 
    Dündar, Doruk. (Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in the Social Sciences, 2017., 2017.)
    This thesis establishes a novel fabrication method to integrate water-gated tran sistors with microfluidic channels using surface micromachining techniques. Transistors are designed and fabricated on 16 nm thick single ...
  • Water soluble, low migration and visible light photoinitiators for greener photopolymerization 
    Eren, Tuğçe Nur. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2021., 2021.)
    In this work, novel monomeric, polymeric and mesomeric (high enough molecular weight to provide lower migration but not high enough to be called a macromolecule) photoinitiators (PIs) were synthesized with the aim of ...
  • Watermarking algorithm based on modified non-negative matrix factorization 
    Kayacan, Can. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Non-negative matrix factorization has become a significant area of research within the last 10 years. After the research paper ”Learning the parts of objects by non-negative matrix factorization” by Daniel D. Lee & H. ...
  • Watershed modeling and risk assesment of Ergene river basın 
    Rahmanlar, Musa. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Protection of water resources in terms of quality and quantity is one of the main challenges for the developed and developing countries. Especially, pollution caused by industrialization and agriculture makes difficult to ...
  • Wavelet analysis in computational fluid dynamics 
    Kahraman, Ali Berk. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    Wavelets are compact functions in space and time which enable easy data com pression through multi-resolution analysis. The compression is done by scattering dif ferent resolution levels of wavelets onto the domain, and ...

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