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Conference Paper (9)

Recent Submissions

Ship detection in synthetic aperture radar (SAR) images by deep learning Ayhan, Oner; Sen, Nigar (2019-01-01) In this paper, we propose a Convolutional Neural Network (CNN) based method to detect ships in Synthetic Aperture Radar (SAR) images. The architecture of proposed CNN has customized parts to detect small targets. In order ...
Blockchain Technology in Smart City: A New Opportunity for Smart Environment and Smart Mobility Orecchini, F.; Santiangeli, A.; Zuccari, F.; Pieroni, Alessandra; Suppa, Tiziano (2019-01-01) The main and challenging evolutionary process that leads towards the so-called Smarter City is still represented by the optimization of the Intelligent Systems for the Quality of Life (QoL) and the Quality of Services (QoS...
Resource Constrained Multi-project Scheduling: Application in Software Company Kurt, Pelin Akyil; KEÇECİ, BARIŞ (2019-01-01) Project scheduling is a common problem of today's companies, which have project type production system. Project scheduling is a mechanism to communicate what tasks need to get done and which organizational resources will b...
Road and railway detection in SAR images using deep learning Sen, Nigar; Olgun, Orhun; Ayhan, Oner (2019-01-01) Detection and segmentation of motorways, railroads and other roads with similar features are significant for comprehension of both low and high resolution synthetic aperture radar (SAR) imagery. Separation of transportatio...
Simulation of Voltage Sag Events in Distribution Networks and Utility-Side Mitigation Methods Sezgin, Mustafa Selim; Polat, Onder; Yumak, Kahraman; Gül, Ömer; Atilla, Necip Erman (2017-12-02) As industrialization and automation processes continue to expand, power quality parameters and voltage sags in particular become more important. Sensitive equipment trips due to voltage sags cause enormous financial loss i...
Distance Measurement by Phase Tracking Dogan, Ozan; Demir, Ibrahim; Aydin, Umut (2017-05-18) In this work, multi frequency continuous wave radar phase unwrapping and the target tracking algorithm are combined. In order to unwrap the wrapped measurement, the unwrapped range measurement or the predicted range is uti...
Radiometric Cross-calibration of Goktiirk-2 with Landsat 8 Demirhan, Ismail Hakki; Deveci, Husne Seda; Sakarya, Ufuk (2017-05-18) Radiometric calibration studies need to be done during the life-time of a satellite. In this paper, reflectance-based cross calibration was conducted at Tuz Golu LandNet site in 2016 using Goktiirk-2 and Landsat 8 imagerie...
A Smart Meter Design and Implementation Using ZigBee Based Wireless Sensor Network in Smart Grid BURUNKAYA, MUSTAFA; Pars, Tufan (2017-04-10) In this paper Wireless Sensor Home Area Network (WSHAN) with ZigBee interfaced smart meter is designed and implemented. Because of the increasing demands on electricity, traditional electric grid needs to be replaced with ...
An overview of bird related issues in electrical power systems Polat, O.; Yumak, K.; Atilla, N. E.; Bağrıyanık, Mustafa (2016-09-25) Power system equipments, especially overhead lines and utility poles are posing great risk to avian species. Main purpose of this paper is to draw attention of distribution companies and community on conserving bird specie...
Load curve classification for the evaluation of demand side management programs Yumak, K.; Tosun, G.; Varlik, B.; Bağrıyanık, Mustafa (2016-09-25) The demand side management of electrical power systems is an issue of growing concern. In this study, annual load curves those have been obtained by field measurements on MV (31.5kV) feeders in an electricity distribution ...
Variations Of Choroidal And Retinal Thickness Measurements Analyzed By Enhanced Depth Imaging Optical Coherence Tomography In Uveitis Gurses, Ozlem; Karaismailoglu, Eda (2016-09-01) Purpose : Choroidal thickness (CT) is considered a promising parameter to monitor the severity of inflammation. We hypothesize that inflammation of the iris and ciliary body in anterior uveitis might affect the CT, and inf...
Cytotoxic dose assessment of cell stress inducers on human bone marrow mesenchymal stem cells by real-time xCELLigence impedance analysis Aygar, S.; BALTA, GÜNAY; ÇELEBİ SALTIK, BETÜL; KILIÇ, ESRA; Cetinkaya, D. Uckan (2016-09-01)
ABSOLUTE RADIOMETRIC CALIBRATION OF THE GOKTURK-2 SATELLITE SENSOR USING TUZ GOLU (LANDNET SITE) FROM NDVI PERSPECTIVE Sakarya, Ufuk; Demirhan, Ismail Hakki; Deveci, Husne Seda; Teke, Mustafa; Demirkesen, Can; Kupcu, Ramazan; Oztoprak, A. Feray; Efendioglu, Mehmet; Simsek, F. Fehmi; Berke, Erdinc; Gurbuz, Sevgi Zubeyde (2016-07-19) TOBITAK UZAY has conducted a research study on the use of space-based satellite resources for several aspects of agriculture. Especially, there are two precision agriculture related projects: HASSAS (Widespread application...
IMPLEMENTATION OF GAIN CONTROL AS IP CORE Karabalkan, Melike Atay; Ermis, Ercan; Oner, Mehmet (2016-05-19) Stable output level increases the accuracy of further signal processing algorithms. So, gain control algorithms are important preprocessing steps. On the other hand, implementation of gain control algorithms vary depending...
Enhancement of Laser Damage Resistance at 1064 nm of High and Anti-Reflective Optical Multilayers by Tailoring the Electric Field Distribution and Post-Annealing Aydogdu, G. H.; Batman, H.; Cosar, M. B.; Ozhan, A. E. S. (2016-05-13) In this study, multilayer Ta2O5/SiO2 and HfO2/SiO2 films were deposited on glass substrates by ion beam sputtering and physical vapor deposition methods, respectively. The effect of electric field distribution and heat tre...
The Effect of the Types of Network Topologies on Non-Technical Losses in Secondary Electric Distribution Systems Yorukoglu, Sinan; Nasibov, Fuad; Mungan, Mehmet; Bağrıyanık, Mustafa (2016-05-05) A portion of generated electrical power is lost in transmission and distribution systems while serviced to endusers. These losses are called technical and non-technical losses in electricity distributions systems. With pri...
Graphics processing unit based next generation DDoS prevention system Keskin, Selcuk; Erdogan, Hasan Tugrul; KOÇAK, TAŞKIN (2016-04-27) Packet filtering is the main component of prevention systems to protect the network system of the devices against attacks. The algorithm allows the packets to access to network after passing some rules. The packets with de...
Interoperability Profiles for Disaster Management and Maritime Surveillance Gencturk, Mert; Duro, Refiz; Kabak, Yildiray; Bozic, Bojan; Kahveci, Kubilay; Yilmaz, Burcu (2015-11-26) Nowadays, many different Command and Control (C2) Systems and Sensor order to manage disasters effectively and achieve powerful surveillance, it is essential for C2 and Sensor Systems to cooperate and exchange timely avail...
A Short Survey of Hyperspectral Remote Sensing and Hyperspectral Remote Sensing Research At TUBITAK UZAY Sakarya, Ufuk; Teke, Mustafa; Demirkesen, Can; Haliloglu, Onur; Kozal, Ali Omer; Deveci, Husne Seda; Oztoprak, A. Feray; Toreyin, Behcet Ugur; Gurbuz, Sevgi Zubeyde (2015-06-19) Hyperspectral remote sensing (HSRS) is becoming more and more attractive. Recent advances in sensor technologies enabled numerous applications of this imaging modality. HSRS research has been conducted at TUBITAK UZAY sinc...
Performance Evaluation of Pansharpening Methods on GPU for RASAT Images Acikgoz, Ibrahim Serdar; Teke, Mustafa; KUTBAY, UĞURHAN; HARDALAÇ, FIRAT (2015-06-19) Turkey is among the countries which could develop earth observation satellites. RASAT and Gokturk-2 satellites are still operational and continuously acquire images of the Earth. Their images are processed before sharing w...

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