Now showing items 1-20 of 35

  • Artifact reduction in occluded regions for motion compensated frame interpolation 

    Yazgan, Rıfat (Işık Üniversitesi, 2008)
    In this paper, we propose a new method to be used in occluded regions for motion compensated frame interpolation. Frame rate up conversion is becoming much more important when usage of digital video systems increase. ...
  • Automatic speech recognition system for Turkish spoken language 

    Dalva, Doğan (Işık Üniversitesi, 2012-06-21)
    The transmission and storage of speech sounds is possible for decades. In addition by using signal processing techniques, it is also possible tp process speech signals. By using time abd frequency analysis od speech signal ...
  • Biometric recognition using bio-signals 

    Dursun, Ceren (Işık Üniversitesi, 2017-04-14)
    The main objective of the project is to increase the recognition rate by establishing a multimodal biometric recognition system that uses two di_erent biometric characteristics, as bio-signals. Today, institutions use ...
  • Channel adaptive user cooperation strategies for fading wireless channels 

    Edemen, Çağatay (Işık Üniversitesi, 2006)
    In this dissertation, a channel adaptive method is proposed for a two user halfduplex cooperative communication system under the assumption of perfect channel state information at the transmitters and the receiver. An ...
  • Cluster based sensor scheduling in a target tracking application with particle filter method 

    Özfidan, Özgür (Işık Üniversitesi, 2006)
    In multisensor applications, management of sensors is neccessary for the classification of data they produce and for the efficient use of sensors as well. One of the most important aspects in sensor management is the sensor ...
  • Compress and forward based cooperation strategies in wireless networks 

    Güneş, Mehmet (Işık Üniversitesi, 2011-09-09)
    Cooperative Communications are emerging as an alternative technology to MIMO Communications. In this thesis, we first summarize information theoretical anal- ysis of known channel types and also consider three fundamental ...
  • Compression of the mammography images using quadtree based energy and pattern blocks 

    Nahavandi Gargari, Sepideh (Işık Üniversitesi, 2017-01-16)
    Medical images, like any other digital data, require compression in order to reduce disk space needed for storage and time needed for transmission. This thesis offers , a novel image compression method based on generation ...
  • Construction of multivariable broadband matching networks : an integrated design tool 

    Şimşek, Hayri (Işık Üniversitesi, 2009)
    One of the major problems in high frequency applications is designing matching circuits. Real frequency design of broadband matching networks is a commonly preferred approach since experimental termination data is directly ...
  • A cooperetaive communication approach to cognitive radio 

    İşleyen, Murat (Işık Üniversitesi, 2011-09-12)
    Cognitive radio, whose main idea is to have intelligent devices utilize the linı- ited resources, such as frequency spectrum in wireless channels, is becoming a groundbreaking technology. The aim of this thesis is to apply ...
  • Data compression for smart grid infrastructure 

    Sarı, Ege Münir (Işık Üniversitesi, 2018-01-15)
    Embedded systems, which work with large data sets, need larger memory and consume much more data traffc when compared to other IOT (Interne Of Things) devices. In this study, Human's Lossless Compression Algorithm is ...
  • Decision making and yarsoy decision support tool 

    Atasoy, Ercan (Işık Üniversitesi, 2002)
    Every human makes decisions in the course of his interactions with the world and other human acting in the world. To make good decisions, we need knowledge about events that occur in the world and preferences we have. ...
  • Deep learning techniques for building density estimation from remotely sensed imagery 

    Süberk, Nilay Tuğçe (Işık Üniversitesi, 2019-04-05)
    This thesis is about point-wise estimation of building density on the remote sensing optical imageries by applying deep learning methods. The goal of the project is to reduce mean square error of the estimated density by ...
  • Design and implementation of a low cost telematic control system 

    Şişman, Alper (Işık Üniversitesi, 2002)
    The thesis explains phases from ideation to concretize of a device that aims to solve continuously increase security needs in everyday life more effective, more reliable and cheaper way; however the device has so many ...
  • Design and performance analysis of a novel trellis coded space-time-frequency transmission scheme 

    Oğuz, Onur (Işık Üniversitesi, 2004)
    This work is concerned with a transmitter diversity technique for wireless communications over frequency selective fading channels. The proposed technique utilizes orthogonal frequency division multiplexing (OFDM) to ...
  • Design of reed-solomon and convolutional coded OFDM system and performance analysis 

    Bal, Ufuk (Işık Üniversitesi, 2003)
    In this study, OFDM and error-correcting codes, which have an important place in digital communication systems, have been studied. Literature research has been made on OFDM and error-correcting codes like Reed-Solomon and ...
  • Doppler radars in avionics systems 

    Özel, Volkan (Işık Üniversitesi, 2003)
    At the beginning of my thesis I give a brief information about history of Doppler radars. Then I studied the types and working principles of Doppler radars. After that I researched the avionic systems and radar types which ...
  • Energy and data cooperation in energy harvesting multiple access channels 

    Şişman, Berrak (Işık Üniversitesi, 2016)
    A typical wireless device is limited by its nite battery, and energy limitation is as a critical bottleneck on wireless network performance. In addition to the EM radiation caused by high power wireless devices, the ...
  • Enhancement of the coded speech using filtering 

    Taylan, Salih Sinan (Işık Üniversitesi, 2017-04-14)
    The processing and storage of speech signals are widely implemented in modern communication systems. Decreasing the amount of information for modeling the reconstruction of speech signal enhances the transmission and ...
  • Evaluation of feature selection and encoding methods fpr superpixel image parsing 

    Sünetci, Sercan (Işık Üniversitesi, 2017-12-14)
    This thesis is about image parsing which is one of the important problems in computer vision. The goal of image parsing is segmentation of object and labeling of each object. Recently, a popular way of image segmentation ...
  • Fingertip ECG signal based biometric recognition system 

    Güven, Gökhan (Işık Üniversitesi, 2016-05-10)
    The idea is the; realize biometric recognition system by using ECG signal which was began to use in the last 10 years. Until now, ECG based biometric systems have been developed by using the database which ECG signals are ...