Now showing items 1-20 of 28

    • A framework for applying the principles of depth perception to information visualization 

      Çipiloğlu Yıldız, Zeynep; Bülbül, Abdullah; Capin, Tolga (ACM, 2010)
      During the visualization of 3D content, using the depth cues selectively to support the design goals and enabling a user to perceive the spatial relationships between the objects are important concerns. In this novel ...
    • A fully object-space approach for full-reference visual quality assessment of static and animated 3D meshes 

      Çipiloğlu Yıldız, Zeynep; Capin, Tolga (SciTePress, 2019)
      3D mesh models are exposed to several geometric operations such as simplification and compression. Several metrics for evaluating the perceived quality of 3D meshes have already been developed. However, most of these metrics ...
    • A hybrid genetic - Differential evolution algorithm (HybGADE) for a constrained sequencing problem 

      Abidin, Didem (Institute of Electrical and Electronics Engineers Inc., 2018-09-28)
      For researchers, evolutionary algorithms are mostly preferable because of their effectiveness in finding the optimum solutions to many problems. Among these problems, sequencing is one of the most popular. In daily life, ...
    • A machine learning framework for full-reference 3D shape quality assessment 

      Çipiloğlu Yıldız, Zeynep; Öztireli, A. Cengiz; Capin, Tolga (Springer Berlin Heidelberg, 2018)
      To decide whether the perceived quality of a mesh is influenced by a certain modification such as compressionors implification, a metric for estimating the visual quality of 3D meshes is required. Today, machine learning and ...
    • A new method for computer-assisted detection, definition and differentiation of the urinary calculi 

      Yıldırım, Düzgün; Öztürk, Övünç; Tutar, Onur; Nurili, Fuad; Bozkurt, İbrahim Halil; Kayadibi, Hüseyin; Karaarslan, Ercan (Taylor & Francis, 2014-09)
      Purpose: Urinary stones are common and can be diagnosed with computed tomography (CT) easily. In this study, we aimed to specify the opacity characteristics of various types of calcified foci that develop through the urinary ...
    • A perceptual quality metric for dynamic triangle meshes 

      Çipiloğlu Yıldız, Zeynep; Capin, Tolga (Springer International Publishing, 2017)
      A measure for assessing the quality of a 3D mesh is necessary in order to determine whether an operation on the mesh, such as watermarking or compression, affects the perceived quality. The studies on this field are limited ...
    • A semantic web case study: representing the ephesus museum collection using erlangen CRM ontology 

      Özacar Öztürk, Tuğba; Öztürk, Övünç; Yüksel, Fulya; Lobaba, Salloutah; Abdülbaki, Baraa; Bilici, Elif (Springer Verlag, 2017-11)
      Cultural heritage has recently become an important application area for Semantic Web technologies. Semantic Web technologies and ontologies provide a solution for intelligent integration of heterogeneous data about the ...
    • A tool for producing structured interoperable datafrom product features on the web 

      Özacar Öztürk, Tuğba (Pergamnon, 2015)
      This paper introduces a tool that produces structured interoperable data from product features, i.e., attribute name-value pairs, on the web. The tool extracts the product features using a web site specific template created ...
    • Agent-Based modeling and simulation of biological systems 

      Bora, Şebnem; Emek, Sevcan (IntechOpen, 2019)
      Agent-based modeling and simulation is a powerful technique in simulating and exploring phenomena that includes a large set of active components represented by agents. The agents are actors operating in a real system, ...
    • An approach for online weight update using particle swarm optimization in dynamic fuzzy cognitive maps 

      Altundoğan, Turan Göktuğ; Karaköse, Mehmet (Institute of Electrical and Electronics Engineers Inc., 2018-09-20)
      Fuzzy cognitive maps (FCM) is a method to update a given initial vector to obtain the most stable state of a system, using a neighborhood of weights between these vectors and updating it over a series of iterations. FCMs ...
    • Buz pateni öğrenenler için hareket algılama tabanlı bir sistem tasarımı 

      Öztürk, Övünç; Kahramanlı, Murat Mecit (Institute of Electrical and Electronics Engineers Inc., 2018-05)
      Bu bildiride buz patenini yeni öğrenmeye başlayanlar için hareket algılama tabanlı, ergonomik, kurulumu basit ve taşınabilir bir sistem tasarımı sunulmaktadır. Sistem kullanıcıların temel kayma tekniklerini doğru bir şekilde ...
    • Effects of image filters on various image datasets 

      Abidin, Didem (ICCTA, 2019-04-16)
      Image classification is a very common research area, on which researchers work with various classification techniques. The aim of this study is to apply different filters on four different datasets and evaluate their ...
    • Electrical analogue of arterial blood pressure signals 

      Emek, Sevcan; Evren, Vedat; Bora, Şebnem (Gümüşhane Üniversitesi, 2018)
      In this study, we propose an electrical circuit model that will be useful for understanding of the mechanisms and dynamics of the human cardiovascular system, which is considered as a complex system in the field of physiology. ...
    • Genetik algoritmalar kullanılarak metinlerde otomatik özet çıkarma 

      Karcıoğlu, Abdullah Ammar; Yaşa, Ahmet Cahit (IEEE, 2020-01-07)
      Automatic text summarization is one of the applications of natural language processing that has been studied for a long time. The increase in the amount of information in web resources has increased the need for automatic ...
    • IRIS: A Prot´eg´e plug-in to extract and serialize product attribute name-value pairs 

      Özacar Öztürk, Tuğba (2014)
      This article introduces IRIS wrapper, which is developed as a Prot´eg´e plug-in, to solve an increasingly important problem: extracting information from the product descriptions provided by online sources and structuring ...
    • Klasik Türk müziğinde makam tanıma için veri madenciliği kullanımı 

      Abidin, Didem; Özacar, Tuğba; Öztürk, Övünç (Gazi Üniversitesi, 2017-12)
      Müzik eserlerinin sayısal ortama aktarılmasıyla birlikte, bilgisayar bilimleri müzikoloji çalışmalarının içerisinde kendine yer bulmaya başlamıştır. Müzik eserleri bilimsel araştırmalarda veri olarak kullanılmakta ve ...
    • KORAL: Türk müziği için makam tabanlı öneri motoru tasarımı 

      Öztürk, Övünç; Özacar Öztürk, Tuğba; Abidin, Didem (Institute of Electrical and Electronics Engineers Inc., 2018-09)
      Bu çalışmada, tek bir Türk Sanat Müziği eserinden yola çıkarak makam ve usul yönünden benzer eserleri bulan ve fasıl niteliğinde bir çalma listesi oluşturabilen bir uygulama tasarımı anlatılmaktadır. Çalışmada kullanılan ...
    • Movie rating prediction with machine learning algorithms on IMDB data set 

      Abidin, Didem; Bostancı, Caner; Site, Atakan (2018-05-11)
      Predicting movie success with machine learning algorithms has become a very popular research area. There are many algorithms which can be applied on a data set to make movie success prediction if the data set is prepared ...
    • Onyx: A new Canvas-based tool for visualizing biomedical and health ontologies 

      Öztürk, Övünç; Açıkgöz, Hasan Gökhan (Wiley, 2019-02)
      Ontologies provide formal, machine-readable, and human-interpretable representations of domain knowledge. Therefore, ontologies have come into question with the development of Semantic Web technologies. People who want to ...
    • OPPCAT: Ontology population from tabular data 

      Öztürk, Övünç (SAGE Publications Ltd., 2019-02)
      In order to present large amount of information on the Web to both users and machines, it is urgently needed to structure Web data. E-commerce is one of the areas where increasing data bottlenecks on the Web inhibit data ...