Güncel Gönderiler

  • 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 ...
  • 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 ...
  • Biometric recognition using bio-signals 

    Dursun, Ceren (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 ...
  • Enhancement of the coded speech using filtering 

    Taylan, Salih Sinan (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 ...
  • 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 ...
  • Ultra wideband indoor communication 

    Yirmibeş, Elif (Işık Üniversitesi, 2005)
    Ultra-wideband communication with its attractive features has received great interest from the industry and the research community. It has the potential for very high data rates with low processing powers. With its extremely ...
  • A novel channel estimation algorithm for ultra wideband communication system 

    Çağlar, Ekrem (Işık Üniversitesi, 2005)
    Ultra WideBand (UWB) is an emerging technology that is currently investigated as one viable solution for high capacity, short range wireless indoor systems. Its robustness in dense multipath environments, low cost and low ...
  • 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 ...
  • 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 ...
  • Joint modulation and space time block code classification for mimo systems 

    Bayer, Özgür (Işık Üniversitesi, 2014-10-31)
    In this thesis, the problems of modulation classification and space time block code (STBC) classification for MIMO systems are investigated. Two existing MIMO modulation type classification algorithms, an average likelihood ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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. ...
  • Prosodic, morphological and lexical feature extraction of turkish broadcast news data 

    Revidi, İzel D. (Işık Üniversitesi, 2014-06-05)
    Cümle bölütlemesi otomatik konuşma tanıma sisteminden çıkan sözcüklerin içeriğini zenginleştirmeyi hedefleyen sürecin bir parçasıdır. Cümle bölütlemesi, gelen kelime akışının bütün bir cümle olarak tanımlanması görevini ...
  • Implementation of cooperative diversity in space frequency coded ofdm system 

    Yiğit, Can (Işık Üniversitesi, 2007)
    Wireless technology is becoming an important part of our daily life. Although earlier wireless technologies were developed to provide voice transmission which did not require large amount of bandwidth, we are now equipped ...
  • Ground plane detection using and rgb-d camera for quadcopter landing 

    Kırcalı, Doğan (Işık Üniversitesi, 2013-06-04)
    The purpose of this study is to build an autonomous quadcopter which is capable of automated detection of landing zones and landing. To ensure this there are important steps linked together. The first step is to build a ...

Daha Fazla