Yazar "Tavşanoğlu, Ahmet Vedat" için MF - Bildiri Koleksiyonu | Elektrik-Elektronik Mühendisliği Bölümü / Department of Electrical-Electronics Engineering listeleme
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3-D spatio-temporal Gabor-type filter implementations with Time-Derivative Cellular Neural Networks
Yavuz, Oǧuzhan; Tural Polat, Sadiye Nergis; Cesur, Evren; Tavşanoğlu, Ahmet Vedat (IEEE, 2013)In this paper, a 3-D spatio-temporal Gabor-type filter is implemented using Time-Derivative Cellular Neural Network (TDCNN) structure. To this end, the transfer function of the spatio-temporal filter previously constructed ... -
An analysis of the mortgage account as a discrete-time LTI system
Tavşanoğlu, Ahmet Vedat (IEEE, 2014)This paper presents a comprehensive mathematical analysis of the mortgage account with the aim of intentionally setting up a non-physical example for the teaching of discrete-time LTI systems in the courses signals and ... -
Bir otomatik hedef tanıma algoritmasının geliştirilmesi
Aldemir, Erdoğan; Yıldız, Nerhun; Tavşanoğlu, Ahmet Vedat (IEEE, 2013-04-24)Bu bildiri kapsamında bir Otomatik Hedef Tanıma (OHT) sistemi ele alınarak geliştirilmiş ve geliştirilen sistemin Matlab benzetimleri bildiride sunulmuştur. İkinci olarak OHT sistemlerinde kullanılan ve literatürde sıkça ... -
Computer assisted sperm motility analysis implemented on hybrid CPU+FPGA architecture as an intelligent microscope application
Şavkay, Osman Levent; Yalçın, Müştak Erhan; Tavşanoğlu, Ahmet Vedat (IEEE Computer Society, 2016)In this paper we present a Computer Assisted Semen Analysis (CASA) system which is designed and implemented on a hybrid CPU+FPGA architecture platform. The sperm motility analysis deals with the dynamics of sperm movements, ... -
Construction of the nodal conductance matrix of a planar resistive grid and derivation of the analytical expressions of its eigenvalues and eigenvectors using the Kronecker Product and Sum
Tavşanoğlu, Ahmet Vedat (IEEE, 2016-07-09)This paper considers the task of constructing an (MxN+1)-node rectangular planar resistive grid as: first forming two (MxN+1)-node planar sub-grids; one made up of M of (N+1)-node horizontal, and the other of N of (M+1)-node ... -
Demo: Real-time video frame differentiator based on external memory interface
Davutoğlu, Doğancan; Yıldız, Nerhun; Ayten, Umut Engin; Tavşanoğlu, Ahmet Vedat (IEEE Computer Society, 2018-08)Implementation and demonstration processes of a real-time video frame differentiator based on an external memory interface is described in this paper. The video frame differentiation process is successfully implemented on ... -
Design of a third generation real-time cellular neural network emulator
Yıldız, Nerhun; Cesur, Evren; Tavşanoğlu, Ahmet Vedat (IEEE, 2014)In this paper, the features of the next generation Real-Time Cellular Neural Network Processor (RTCNNP-v3) are discussed. The RTCNNP-v2 structure is the only CNN implementation that is reported to be capable of processing ... -
Dirençsel ızgara görüntü filtrelerinin fpga ile gerçekleştirilmeleri için jacobi yinelemesi yöntemi ile benzetimi
Tavşanoğlu, Ahmet Vedat (IEEE, 2014-04-23)Dirençsel ızgara yapılarının uzamsal impuls yanıtlarının üstel olarak azalan biçimden oldukları ve Gauss filtresininkine benzer bir uzamsal frekans yanıtı verdikleri, dolaysıyla da alçak geçiren filtre olarak kullanıldıkları ... -
A discussion on spatiotemporal filtering on a third generation real-time cellular neural network processor
Yıldız, Nerhun; Cesur, Evren; Tavşanoğlu, Ahmet Vedat (IEEE Computer Society, 2016)A third generation Real-Time Cellular Neural Network (CNN) Processor (RTCNNP-v3) is a CNN emulator currently being implemented targeting FPGA devices. Thanks to the frame buffer support of the RTCNNP-v3 it will be possible ... -
Hücresel sinir ağları kullanılarak el yazısı karakter tanıma uygulaması
Çalık, Nurullah; Cesur, Evren; Tavşanoğlu, Ahmet Vedat (IEEE, 2013-06-13)El yazısı karakter tanıma, örüntü tanımanın önemli alanlarından biridir. Bu alanın kapsamında önemli belgelerin , arşivlerin ve diğer yazılı metinlerin sayısal ortamlara aktarılması yada yazıcının tanınması gibi problemler ... -
Karma CPU + FPGA yapısı üzerinde tasarlanmış bilgisayar destekli sperm analizi sistemi
Savkay, Osman Levent; Tavşanoğlu, Ahmet Vedat; Yalçın, Müştak Erhan; Cesur, Evren (IEEE, 2015-06-19)Bu bildiride karma CPU + FPGA tabanlı bir donanım mimarisi üzerinde tasarlanan Bilgisayar Destekli Semen Analizi (BDSA) sistemi genel özellikleri ile anlatılmıştır. Spermatozoa motilite analizi hareketli çoklu nesne izleme ... -
New criteria for the existence of stable equilibrium points in nonsymmetric cellular neural networks
Özcan, Neyir; Arık, Sabri; Tavşanoğlu, Ahmet Vedat (IEEE, 2003)A new criteria for the existence of stable equilibrium points in nonsymmetric cellular neural networks (CNN) was presented. It was shown that the results obtained can be used to derive some complete stability conditions ... -
On the way to a third generation real-time cellular neural network processor
Yıldız, Nerhun; Cesur, Evren; Tavşanoğlu, Ahmet Vedat (IEEE Computer Society, 2016)In this proceeding, the architecture of a third generation Real-Time Cellular Neural Network (CNN) Processor (RTCNNP-v3) is disclosed, which is a digital CNN emulator to be implemented on an FPGA device. The previous ... -
Real-time frame buffer implementation based on external memory using FPGA
Davutoğlu, Doğancan; Yıldız, Nerhun; Ayten, Umut Engin; Tavşanoğlu, Ahmet Vedat (Elsevier B.V., 2018)In this paper, design of a real-time video frame buffer with an external memory interface is proposed. In addition, simulation and implementation processes of the design is described. The mentioned system is able to buffer ... -
Real-time video frame differentiator based on DDR3 SDRAM memory interface
Davutoğlu, Doğancan; Yıldız, Nerhun; Tavşanoğlu, Ahmet Vedat; Ayten, Umut Engin (IEEE Computer Society, 2018-08)In this paper, design of a real-time video frame differentiator based on an external memory interface is proposed. Furthermore, implementation and simulation processes of the design is discussed. The proposed design is ... -
Realization of preprocessing blocks of CNN based CASA system on FPGA
Şavkay, Osman Levent; Yıldız, Nerhun; Cesur, Evren; Yalçın Müştak, Erhan; Tavşanoğlu, Ahmet Vedat (2013)In this paper, hardware optimization of the preprocessing part of a computer aided semen analysis (CASA) system is proposed, which is also implemented on an FPGA device as a working prototype. A real-time cellular neural ... -
Realization of processing blocks of CNN based CASA system on CPU and FPGA
Şavkay, Osman Levent; Cesur, Evren; Yıldız, Nerhun; Yalçın, Mustak Erhan; Tavşanoğlu, Ahmet Vedat (IEEE, 2014)In this paper, hardware optimization of the preprocessing and software implementation of the processing blocks of a computer aided semen analysis (CASA) system are proposed, which is also implemented on an FPGA and ARM ... -
Sperm morphology analysis with CNN based algorithms
Şavkay, Osman Levent; Cesur, Evren; Yalçın, Müştak Erhan; Tavşanoğlu, Ahmet Vedat (IEEE Computer Society, 2014-08-29)In this paper Morphological Analysis part of our proposed computer-aided sperm analysis system (CASA) is simulated and the results beside the algorithm steps are presented. The morphology analysis is simply dealing with ... -
A systematic approach to the time-domain computation of the impulse response and post-initial conditions of causal LTI systems at the origin
Tavşanoğlu, Ahmet Vedat (IEEE, 2015)This paper presents a systematic approach to the computation of the impulse response in the time domain at the origin and post-initial conditions of an N-th-order causal SISO LTI system differential equation. It is shown ... -
Teaching aliasing and spectral leakage through the sampling of images
Tavşanoğlu, Ahmet Vedat (Institute of Electrical and Electronics Engineers Inc., 2019-05-29)Aliasing and spectral leakage are artifacts of sampling and rectangular windowing, respectively, whose manifestations are noticed in both the spatial and frequency domains. This paper aims to provide a classroom example ...