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Browsing Bilgisayar Mühendisliği Bölümü Yayın Koleksiyonu by Issue Date

Browsing Bilgisayar Mühendisliği Bölümü Yayın Koleksiyonu by Issue Date

Now showing items 21-40 of 330

Comparative analysis on wavelet-based detection of finite duration low-amplitude signals related to ventricular late potentials

Mousa, A.; Yılmaz, A. (IOP Publishing LTD, 2004-12)

Ventricular late potentials (VLPs) are considered as a noninvasive marker of patients with myocardial infarction, who are prone to the development of ventricular tachycardia. This paper investigates the effects of variations ...
Information/knowledge society and Europe

Aktaş, A. Ziya (World Acad Sci, 2005)

During the last decade some long lasting changes and developments are shaping the global society. The world is entering a new society which is already named as information or knowledge society. In the paper, information/knowledge ...
Real time hand-face tracking using skin color and motion

Hassanpour, Reza; Birdal, Ahmet (Int Inst Informatics & Systemics, 2005)

Human hand gestures and face expressions are a major tool for communicating ideas between people. Hand gestures may also account for the main part of the communication when other tools are not preferred or simply not ...
Parallelization of a molecular dynamics simulation of an ion-surface collision

Atış, Murat; Özdoğan, Cem; Güvenç, Ziya B. (World Scientific Publ CO PTE LTD, 2005-06)

Parallel molecular dynamics simulation study of the ion-surface collision system is reported. A sequential molecular dynamics simulation program is converted into a parallel code utilizing the concept of parallel virtual ...
Global minima of Al(N), Au(N) and Pt(N), N <= 80, clusters described by the Voter-Chen version of embedded-atom potentials

Şerbetçi, A.; Güvenç, Büşra (IOP Publishing LTD, 2005-07)

We report the global minima for aluminium, gold and platinum metal clusters modelled by the Voter-Chen version of the embedded-atom model potential containing up to 80 atoms using the basin-hopping Monte Carlo minimization ...
Human face identification using M-PCA augmented with Gabor Wavelet

Karaömeroǧlu, Betül; Hassanpour, Reza (2005-11)

In this paper, a specialized version of PCA augmented with Gabor Wavelet Transform is proposed for face identification. Firstly, to cope with the variations due to illumination and facial expression changes 2D Gabor Wavelet ...
Approaches on the selection of web cameras and calibration targets for stereo vision

Eren, Hüseyin; Çelik, Ümit; Poyraz, Mustafa (IEEE, 2006)

In this paper, it is studied on the calibration by using specified web cameras. The performance of 3D computer vision depends on the accuracy of camera parameters. Therefore, camera calibration is very crucial in stereo ...
Relative consistency of projective reconstructions obtained from the same image pair

Otlu, Burçak; Atalay, Mehmet Volkan; Hassanpour, Reza (World Scientific, 2006)

This study obtains projective reconstructions of an object or a scene from its image pair and measures relative consistency of these projective reconstructions. 3D points are estimated from an image pair using projective ...
Thermodynamics of small platinum clusters

Sebetçi, Ali; Güvenç, Ziya B.; Kökten, Hatice (Elsevier Science, 2006-03)

Using the Voter and Chen version of an embedded atom model, derived by fitting simultaneously to experimental data of both the diatomic molecule and bulk platinum, we have studied the melting behavior of free, small platinum ...
Experimental study on the sensitivity of autocalibration to projective camera model parameters

Hassanpour, Reza; Atalay, Volkan (Spie-Int Society Optical Engineering, 2006-04)

Existing methods of 3-D object modeling and recovering 3-D data from uncalibrated 2-D images are subject to errors introduced by assumptions about camera parameters and mismatches in finding point pairs in the images. In ...
Complexity metrics as predictors of maintainability and ıntegrability of software components

Salman, Nael (Çankaya Üniversitesi, 2006-05)

The work presented in this paper introduces a set of metrics for component oriented software systems. The work focuses mainly on the complexity that results mainly from factors related to system structure and connectivity. ...
A new relational learning system using novel rule selection strategies

Uludağ, Mahmut; Tolun, Mehmet R. (Elsevier Science, 2006-12)

This paper describes a new rule induction system, rila, which can extract frequent patterns from multiple connected relations. The system supports two different rule selection strategies, namely the select early and select ...
A density functional study of bare and hydrogenated platinum clusters

Sebetçi, Ali (Elsevier Science, 2006-12-11)

We perform density functional theory calculations using Gaussian atomic-orbital methods within the generalized gradient approximation for the exchange and correlation to study the interactions in the bare and hydrogenated ...
Component-based software development with component variants

Altunel, Yusuf; Tolun, Mehmet R. (Acta Press Anaheim, 2007)

Variants are the new units suggested for component-based software implementation to contain just one set of features that a traditional component might normally contain. They help us to implement the specialization of ...
Stereo vision and statistical based behaviour prediction of driver

Eren, Haluk; Çelik, Ümit; Poyraz, Mustafa (IEEE, 2007)

The goal of this project is to develop a webeam-based system for monitoring the activities of automobile drivers. As in any system deployed for monitoring driver activities, the primary goal is to distinguish between safe ...
Kavram Tabanlı Bilgi Geri Getirim Yaklaşımı

Sever, Hayri; Akal, Fuat; Köse, Güven (2007)

Arama motorları, hem belgelerin yazarları hem de bilgi ihtiyaçlarını açıklayan kullanıcılar tarafından kullanılan sözlükler arasındaki farklar yüzünden ortaya çıkan uçurumlarla başa çıkmada yetersiz hale gelmişlerdir. ...
Production and retrieval off rough classes in multi relations

Tolun, Mehmet R.; Sever, Hayri; Görür, Abdül Kadir (IEEE Computer Soc, 2007)

Organizational memory in today's business world forms basis for organizational learning, which is the ability of an organization to gain insight and understanding from experience through experimentation, observation, ...
Modeling the symptom-disease relationship by using rough set theory and formal concept analysis

Bal, Mert; Sever, Hayri; Kalıpsız, Oya (World Acad Sci, 2007)

Medical Decision Support Systems (MDSSs) are sophisticated, intelligent systems that can provide inference due to lack of information and uncertainty. In such systems, to model the uncertainty various soft computing methods ...
Evaluation of 3D high resolution images using inexpensive distributed parallel system: Application fields on medical images

Eren, Hüseyin; Çelik, Ümit; Poyraz, Mustafa (IEEE, 2007)

In the telesurgery operations, images should be high resolution and processed in real time. It seems difficult to accomplish this process in real time using only one computer. In our study, we propose to get 3d scene images ...
Main issues in scalable video coding: A review

Choupani, Roya; Tolun, Mehmet R. (2007)

Video streaming over the Internet has gained popularity during the recent years which is mainly the result of the introduction of videoconferencing and videotele-phony. These in turn have made it possible to bring to life ...

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