Browsing by Author "2"
Now showing items 181-200 of 398
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Görünür ışık kanalların modellenmesi ve ACO-OFDM için başarım analizi
Yeşilkaya, A.; Alsan, H. F.; Miramirkhani, Farshad; Panayırcı, E.; Şenol, H.; Uysal, Murat (IEEE, 2015)Spectrum scarcity of traditional radio communication has led communication engineers to find new alternatives. Indoor visible light communication is one alternative to solve this problem since its spectrum is not regulated ... -
Hareketten yapı çıkarımı için görsel kullanıcı arayüzü
Hüroğlu, Cengiz; Erdem, Tanju (IEEE, 2014)The usage of computer vision applications such as 3D reconstruction, motion tracking and augmented reality gradually increases. The first and the most important stage of these kind of applications is estimating the 3D scene ... -
A hierarchical approach for solving simultaneous lot sizing and scheduling problem with secondary resources
Şafak, C. U.; Yılmaz, Görkem; Albey, Erinç (Elsevier, 2019)This study represents a decomposition heuristic approach for simultaneous lot sizing and scheduling problem for multiple product, multiple parallel machines with secondary resources. The motivation of the study comes from ... -
High temperature characteristics of Al2024/SiC metal matrix composite fabricated by friction stir processing
Ghobadlou, Ali Hosseinzadeh; Yapıcı, Güney Güven (Elsevier, 2018-07-25)In the present study, friction stir processing (FSP) is used for the synthesis of an aluminum metal matrix composite (MMC) reinforced by SiC particles. MMC specimens with reinforced microstructures exhibited significant ... -
High temperature deformation behavior of 4340 steel: activation energy calculation and modeling of flow
Sajadifar, Seyed Vahid; Yapıcı, Güney Güven; Ketabchi, M.; Bemanizadeh, B. (Elsevier, 2013-12)The 4340 steel is extensively utilized in several industries including automotive and aerospace for manufacturing a large number of structural components. Due to the importance of thermo-mechanical processing in the ... -
High temperature flow response modeling of ultra-fine grained titanium
Sajadifar, Seyed Vahid; Yapıcı, Güney Güven (MDPI AG, 2015)This work presents the mechanical behavior modeling of commercial purity titanium subjected to severe plastic deformation (SPD) during post-SPD compression, at temperatures of 600-900 °C and at strain rates of 0.001-0.1 ... -
HMM bazlı 3 boyutlu insan hareketi tanıma ile insan ve robotun ortak çalışması
Pehlivan, Alp Burak; Öztop, Erhan (IEEE, 2014)We offer a system for a human-robot cooperation with natural communication in order to make using of robots in human-interactive tasks easier and more effective. This system includes a system with 3D motion capture cameras, ... -
Hot deformation behavior of ultra-fine grained pure Ti
Sajadifar, Seyed Vahid; Yapıcı, Güney Güven (Trans Tech Publications, 2013-11)In the present study, compression tests were performed at a strain rate of 0.001 to 0.1 s(-1) and in the range of 600 degrees C to 900 degrees C to investigate the high temperature deformation behavior and flow stress model ... -
Human adaptation to human–robot shared control
Amirshirzad, Negin; Kumru, Asiye; Öztop, Erhan (IEEE, 2019-04)Human-in-the-loop robot control systems naturally provide the means for synergistic human-robot collaboration through control sharing. The expectation in such a system is that the strengths of each partner are combined to ... -
Hücresel sistemlerde bağlantı katmanı kaynak dağıtımı veriminin kontrolcü yoluyla artırılması
Arsal, Ali; Sunay, Mehmet Oğuz (IEEE, 2013)In this work, we aim to investigate the efficiency of link layer resource allocation when a device which is called controller is used behind the base stations. By using this device, base stations are collaborating, in other ... -
A hybrid approach based on the fuzzy AHP and HFACS framework for identifying and analyzing gross navigation errors during transatlantic flights
Havle, Celal Alpay; Kılıç, Bilal (Elsevier, 2019-05)Despite the considerable efforts to alleviate problems of North Atlantic (NAT) air traffic and implementation of novel surveillance systems, oceanic errors still remain stubbornly high. The purpose of this study is to ... -
Hybrid job scheduling for improved cluster utilization
Arı, İsmail; Kocak, Uğur (Springer Science+Business Media, 2014)In this paper, we investigate the models and issues as well as performance benefits of hybrid job scheduling over shared physical clusters. Clustering technologies that are currently supported include MPI, Hadoop-MapReduce ... -
Hybrid nearest-neighbor/cluster adaptive training for rapid speaker adaptation in statistical speech synthesis systems
Mohammadi, Amir; Demiroğlu, Cenk (International Speech Communication Association, 2013)Statistical speech synthesis (SSS) approach has become one of the most popular methods in the speech synthesis field. An advantage of the SSS approach is the ability to adapt to a target speaker with a couple of minutes ... -
Hybrid statistical/unit-selection Turkish speech synthesis using suffix units
Demiroğlu, Cenk; Güner, Ekrem (Springer International Publishing, 2016-12)Unit selection based text-to-speech synthesis (TTS) has been the dominant TTS approach of the last decade. Despite its success, unit selection approach has its disadvantages. One of the most significant disadvantages is ... -
Identification of common data environment functions during construction phase of BIM-based projects
Özkan, Selen; Seyis, Senem (Luxembourg Institute of Science and Technology, 2021-10)The utilization of building information modeling (BIM) has been rapidly increasing in the last decade as it stimulates project constructability, quality, efficiency, and success. A well-structured and organized information ... -
IEEE 802.11bb reference channel models for indoor environments
Uysal, Murat; Miramirkhani, Farshad; Baykas, T.; Qaraqe, K. (2018-09-10)This contribution proposes 802.11bb reference channel models for indoor environments. -
IEEE 802.15.13-compliant visible light communications in vehicular networks
Turan, B.; Narmanlıoğlu, Ömer; Uysal, Murat (Taylor & Francis, 2018-01)Current research activities and standardization efforts in intelligent transportation systems (ITS) have mainly focused around the deployment of radio frequency (RF)-based communication techniques for vehicular networking. ... -
Image denoising using deep convolutional autoencoder with feature pyramids
Çetinkaya, Ekrem; Kıraç, Mustafa Furkan (TÜBİTAK, 2020)Image denoising is 1 of the fundamental problems in the image processing field since it is the preliminary step for many computer vision applications. Various approaches have been used for image denoising throughout the ... -
Image registration method for mobile-device-based multispectral optical diagnostics for buildings
Şahin, Cem Doğan; Mengüç, Mustafa Pınar (The Optical Society, 2019-09-10)The recent advances in mobile device hardware and software introduced new opportunities to perform more advanced computation and measurements for buildings. Multispectral optical imaging is a widely recognized technique ... -
The impact of English medium instruction (EMI) on students' language abilities
Coşgun, Gülçin; Hasırcı, Bahar (World Council for Curriculum and Instruction (WCCI), 2017-11)This paper reports on an investigation of Turkish English-medium university students’ perceptions of the change in their language ability and difference between students’ level of English proficiency when they start their ...
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