Browsing by Author "Uğurdağ, Hasan Fatih"
Now showing items 61-80 of 96
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A novel approach for identification of thermal and optical characteristics for the active layer of high power photonic devices
Muslu, Ahmet Mete (2019-12)A vast amount of electricity consumption for general lighting, the implementation of energy efficient technologies is highlighted in many platforms with the use of light emitting diodes (LEDs). Because of its environmentally ... -
Online real-time simulation of vehicles
Şahin, Mert; Gözüküçük, Mehmet Ali; Uğurdağ, Hasan Fatih (IEEE, 2020-09)Real-time simulation of a vehicle accessible as a server process on a network is needed in multiple use cases. One such use case is coordinated driving. Coordinated driving will eventually require us to control vehicles ... -
OPLINQ: opportunistic link scheduling for massive device-to-device mmWave communication networks
Özen, Orkun (2017-01)mmWave communications networking is a promising physical layer technology for the requirement of the huge bandwidth in next generation 5G infrastructures. One of the emerging important applications for 5G mmWave architectures ... -
Output domain downscaler
Büyükmıhçı, M.; Levent, Vecdi Emre; Guzel, Aydın Emre; Ates, Ozgur; Tosun, Mustafa; Akgün, T.; Erbas, C.; Gören, S.; Uğurdağ, Hasan Fatih (ISCIS 2016: Computer and Information Sciences, 2016)This paper offers an area-efficient video downscaler hardware architecture, which we call Output Domain Downscaler (ODD). ODD is demonstrated through an implementation of the bilinear interpolation method combined with ... -
Partial bitstream protection for low-cost FPGAs with physical unclonable function, obfuscation, and dynamic partial self reconfiguration
Gören, S.; Ozkurt, O.; Yildiz, A.; Uğurdağ, Hasan Fatih; Chakraborty, R. S.; Mukhopadhyay, D. (Elsevier, 2013-02)This paper proposes a technique based on Physical Unclonable Functions (PUFs), obfuscation, and Dynamic Partial Self Reconfiguration (DPSR) to protect partial FPGA configuration bitstreams from cloning and reverse engineering. ... -
Performance evaluation of unfolded sparse matrix-vector multiplication
Akgün, İbrahim Ümit (2015-01)Sparse matrix-vector multiplication (spMV) is a kernel operation in scientific com- putation. There exist problems where a matrix is repeatedly multiplied by many different vectors. For such problems, specializing the spMV ... -
Performance improvement strategies for 802.11 network
Çakmak, Kıvanç (2017-08)802.11 networks have enabled and are fueled by the proliferation of connected mobile devices with a wide variety of applications, which have been integral parts of our daily lives. Currently, IEEE 802.11ac is a state-of-art ... -
A platform for personal e-mobility with route forecasting
Kaya, Kamil (2021-01-14)Decreasing fossil fuel sources and increasing carbon exhaust rate makes human-beings lead to search on different technological fields and to develop new technology. Also, thanks to developing tendency to the clean energy ... -
Portable devices for In-Vitro characterization based on ultrasound
Nabavi, Seyedfakhreddin (2015-08)Bu projede taşınabilir kartuş tabanlı lab-on-a-chip platformu öneriliyor. Ve bu platformun ana algılama mekanizması yüksek frekanslı akustik dalgalar ile çalışmaktadır. Biyolojik ölçümler için iki farklı transdüserin ... -
Portable low cost ultrasound imaging system
Sobhani, Mohammad Rahim (2015-08)The use of ultrasound in medicine has increased in the last decade either in diagnostics or in treatments. Ultrasound is safe and easy to use compared to other imaging methods, such as X-ray imaging. Various probes are ... -
Preface
Maniatakos, M.; Elfadel, I. A. M.; Sonza Reorda, M.; Uğurdağ, Hasan Fatih; Monteiro, J.; Reis, R. (Springer Nature, 2019)N/A -
Preface
Orailoğlu, A.; Uğurdağ, Hasan Fatih; Silveira, L. M.; Margala, M.; Reis, R. (Springer Science+Business Media, 2015) -
Pseudothermal light based quantum random number generator
Dandaşi, Abdulrahman (2021-01-18)Random number generators (RNGs) have recently gained lots of attention from the scientific and commercial communities recently. That is due to computers' fast development, making cracking cryptographic systems faster than ... -
PYNQ-based rapid FPGA implementation of quantum key distribution
Bilgin, Yiğit; Tesfay, Shewıt Weldu; İpek, Seçkin; Uğurdağ, Hasan Fatih; Durak, Kadir; Gören, S. (IEEE, 2021)In this paper, we present a real-time Quantum Key Distribution (QKD) implementation on Field Programmable Gate Arrays (FPGAs) for secure communication. We propose a novel methodology with a Python-based programming interface ... -
Rapid design of real-time image fusion on FPGA using HLS and other techniques
Aydın, Furkan; Uğurdağ, Hasan Fatih; Levent, Vecdi Emre; Güzel, Aydın Emre; Annafianto, Nur Fajar Rızqı; Özkan, M. A.; Akgun, T.; Erbas, C. (IEEE, 2018)During the process of implementing a parameterized hardware IP generator for an image fusion algorithm, we had a chance to test various tools and techniques such as HLS, pipelining, and PCIe logic/software porting, which ... -
Referanssız görüntü bloklanma ölçümü için yeni bir yöntem
Ozansoy, Koray; Özer, N.; Dönmez, F.; Uğurdağ, Hasan Fatih (IEEE, 2014)Internet’te ve servis sağlayıcı ağlarında video trafiğinin tavan yaptığı günümüzde otomatik görüntü kalitesi ölçümünün faydaları aşikardır. Bu ölçümlerin birçok uygulamada gerçekzamanlı yapılması gerekir ve de bu “Referanssız” ... -
RImCom: raster-order image compressor for embedded video applications
Palaz, Okan; Uğurdağ, Hasan Fatih; Ozkurt, O.; Kertmen, B.; Donmez, F. (Springer International Publishing, 2017)This paper presents a real-time, rate controlled, end-to-end (encoder and decoder) hardware solution for memory compression of raster-order video streams—named RImCom (short for Raster-order Image Compression). RImCom ... -
A robotics summer camp for high school students: pipelines activities promoting careers in engineering fields
Ayar, M.; Yalvaç, B.; Uğurdağ, Hasan Fatih; Şahin, A. (American Society for Engineering Education, 2013-06)In this paper we discuss the lived-experiences and the career interests of 27 high school students who participated in a two-week Robotics summer camp in 2012. The summer camp was designed by a team of engineering faculty, ... -
RoCoCo: row and column compression for high-performance multiplication on FPGAs
Uğurdağ, Hasan Fatih; Keskin, O.; Tunç, Cihan; Temizkan, Fatih; Fici, G.; Dedeoğlu, S. (IEEE, 2011)Multiplication is, in no doubt, one of the top few frequently used operations in hardware and software. In high-performance hardware design, after high-level optimizations are exhausted, component level optimizations are ... -
Runtime specialization and autotuning of sparse matrix-vector multiplication
Ylmaz, Buse (2015-12)Runtime specialization is used for optimizing programs based on partial information available only at runtime. In this thesis, we present a purpose-built compiler to quickly specialize Sparse Matrix-Vector Multiplication ...
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