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  • Modeling and simulation support to the defense planning process 

    Çayırcı, Erdal; Özçakır, Lütfü (SAGE Publications Inc., 2017-04-01)
    Defense planning is a crucial part of the defense process. It identifies the capabilities required for the future defense environment, analyzes the capability shortfalls, prioritizes them, and provides the fundamental ...
  • Bagging soft decision trees 

    Yıldız, Olcay Taner; Alpaydın, Ahmet İbrahim Ethem; İrsoy, Ozan (Springer Verlag, 2016)
    The decision tree is one of the earliest predictive models in machine learning. In the soft decision tree, based on the hierarchical mixture of experts model, internal binary nodes take soft decisions and choose both ...
  • A model to describe hybrid conflict environments 

    Çayırcı, Erdal; Bruzzone, Agostino G.; Longo, Franceso; Gunneriusson, Hakan (Dime University of Genoa, 2016)
    This article focuses on the definition, implementation and testing of a model to describe Hybrid Conflict Environments. Without the need of citing specific cases or countries, it is clear that hybrid strategy and warfare ...
  • Noisemap: An environmental noise monitoring sensor network 

    Göçen, R. Kerem; Erman, Ayşegül Tüysüz (Institute of Electrical and Electronics Engineers Inc., 2016-06-20)
    The environmental noise levels of our working areas have a critical impact on our psychological and physical health and business efficiency. Therefore; there is a need for systems that monitor environmental noise. In this ...
  • Interactive learning based nodule detection in ct lung volumes 

    Çam, İlker; Tek, Faik Boray (Institute of Electrical and Electronics Engineers Inc., 2016-06-20)
    We present a novel method to automatically detect lung nodules in CT lung scans. Our method is generalized in the sense that it does not assume/depend a particular organ or a particular nodule type. hence it does not require ...
  • A novel kernel to predict software defectiveness 

    Yıldız, Olcay Taner (Elsevier Science Inc., 2016-09)
    Although the software defect prediction problem has been researched for a long time, the results achieved are not so bright. In this paper, we propose to use novel kernels for defect prediction that are based on the ...
  • English-Turkish parallel treebank with morphological annotations and its use in tree-based SMT 

    Görgün, Onur; Yıldız, Olcay Taner; Solak, Ercan; Ehsani, Razieh (SciTePress, 2016)
    In this paper, we report our tree based statistical translation study from English to Turkish. We describe our data generation process and report the initial results of tree-based translation under a simple model. For ...
  • Tree Ensembles on the Induced Discrete Space 

    Yıldız, Olcay Taner (Institute of Electrical and Electronics Engineers Inc., 2016-05)
    Decision trees are widely used predictive models in machine learning. Recently, K-tree is proposed, where the original discrete feature space is expanded by generating all orderings of values of k discrete attributes and ...
  • Palmprint verification using SIFT majority voting 

    Abeysundera, Hasith Pasindu; Eskil, Mustafa Taner (Springer-Verlag, 2011-09-26)
    In this paper we illustrate the implementation of a robust, real-time biometric system for identity verification based on palmprint images. The palmprint images are preprocessed to align the major axes of hand shapes and ...
  • Unsupervised morphological analysis using tries 

    Ak, Koray; Yıldız, Olcay Taner (Springer London, 2011-09-28)
    This article presents an unsupervised morphological analysis algorithm to segment words into roots and affixes. The algorithm relies on word occurrences in a given dataset. Target languages are English, Finnish, and Turkish, ...
  • Semi-automatic adaptation of high-polygon wireframe face models through inverse perspective projection 

    Benli, Kristin Surpuhi; Ağdoğan, Didem; Özgüz, Mete; Eskİl, Mustafa Taner (Springer-Verlag, 2011-09-26)
    Precise registration of a generic 3D face model with a subject's face is a critical stage for model based analysis of facial expressions. In this study we propose a semi-automatic model fitting algorithm to fit a high-polygon ...
  • A novel approach to morphological disambiguation for Turkish 

    Görgün, Onur; Yıldız, Olcay Taner (Springer-Verlag, 2011-09-26)
    In this paper, we propose a classification based approach to the morphological disambiguation for Turkish language. Due to complex morphology in Turkish, any word can get unlimited number of affixes resulting very large ...
  • Using morphology in English-Turkish statistical machine translation 

    Görgün, Onur; Yıldız, Olcay Taner (IEEE, 2012-04-18)
    In this study, statistical machine translation approaches for English-Turkish language couple are offered using morphological analysis in order to achieve different sub-lexical representations on SIU corpus. For language ...
  • Numerical integration methods for simulation of mass-spring-damper systems 

    Özgüz, Mete; Eskil, Murat Taner (Springer-Verlag, 2011-09-26)
    The dynamics of a face are often implemented as a system of connected particles with various forces acting upon them. Animation of such a system requires the approximation of velocity and position of each particle through ...
  • Texture recognition for frog identification 

    Tek, Faik Boray; Cannavó, Flavio; Nunnari, Giuseppe; Kale, İzzet R. (ACM SIGMM, 2012-11-02)
    This paper describes a visual processing technique for automatic frog (Xenopus Laevis sp.) localization and identification. The problem of frog identification is to process and classify an unknown frog image to determine ...
  • Demo abstract: TeleHealth - Intelligent healthcare with M2M communication module 

    Erman, Ayşegül Tüysüz; Erman, Kamil; Özgül, Mehmet Emin; Ayyıldız, Cem; Güngör, Çağrı (ACM, 2012-11-06)
    Chronic diseases, such as diabetes, heart disease (e.g. arrhythmia and hypertension), chronic respiratory diseases (e.g. asthma and COPD), are by far the leading cause of mortality in the world, representing 63% of all ...
  • Adaptive visual obstacle detection for mobile robots using monocular camera and ultrasonic sensor 

    Tek, Faik Boray; İyidir, İbrahim Kamil; Kırcalı, Doğan (Springer-Verlag, 2012-10-07)
    This paper presents a novel vision based obstacle detection algorithm that is adapted from a powerful background subtraction algorithm: ViBe (VIsual Background Extractor). We describe an adaptive obstacle detection method ...
  • Constructing a turkish constituency parse tree Bank 

    Yıldız, Olcay Taner; Solak, Ercan; Çandır, Şemsinur; Görgün, Onur (Springer Verlag, 2015-09-21)
    In this paper, we describe our initial efforts for creating a Turkish constituency parse treebank by utilizing the English Penn Treebank. We employ a semiautomated approach for annotation. In our previouswork [18], the ...
  • QoS-constrained core selection for group communication 

    Karaman, Ayşe; Hassanein, Hossam (IEEE, 2005-10-03)
    The core-based approach in multipoint communication enhances the solution space in terms of QoS-efficiency of solutions in inter and intra-domain routing. In an earlier work [KH04], we showed that the constrained cost ...
  • Budding Trees 

    Yıldız, Olcay Taner; İrsoy, Ozan; Alpaydın, Ethem (IEEE Computer Soc, 2014-08-24)
    We propose a new decision tree model, named the budding tree, where a node can be both a leaf and an internal decision node. Each bud node starts as a leaf node, can then grow children, but then later on, if necessary, its ...

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