Now showing items 21867-21886 of 25121

    • System for MR image-guided prostate interventions: Canine study 

      Susil, R. C.; Krieger, A.; Derbyshire, J. A.; Tanacs, A.; Whitcomb, L. L.; Fichtinger, G.; Atalar, E. (Radiological Society of North America, Inc.Radiological Society of North America, Inc., 2003)
      The purpose of this study was to demonstrate the use of a transrectal system that enables precise magnetic resonance (MR) image guidance and monitoring of prostate interventions. The system used a closed-bore 1.5-T MR ...
    • System for prostate brachytherapy and biopsy in a standard 1.5 T MRI scanner 

      Susil, R.C.; Camphausen, K.; Choyke, P.; McVeigh, E. R.; Gustafson, G. S.; Ning, H.; Miller, R. W.; Atalar, E.; Coleman, C. N.; Ménard, C. (John Wiley & Sons, 2004)
      A technique for transperineal high-dose-rate (HDR) prostate brachytherapy and needle biopsy in a standard 1.5 T MRI scanner is demonstrated. In each of eight procedures (in four patients with intermediate to high risk ...
    • System for removing shell pieces hazelnut kernels using impact vibration analysis 

      Cetin, A. E.; Pearson, T. C.; Sevimli, R. A. (Elsevier BV, 2014-02)
      A system for removing shell pieces from hazelnut kernels using impact vibration analysis was developed in which nuts are dropped onto a steel plate and the vibration signals are captured and analyzed. The mel-cepstral ...
    • A system level simulation study of WiMAX 

      Başçiftçi, Yüksel Ozan (Bilkent University, 2010)
      In this thesis, we implement a WiMAX system level simulator compliant with the evaluation methodology document published by the IEEE 802.16m Task Group. We study the PHY abstraction of polar codes and integrate polar codes ...
    • A System model for pin-pointing the historical buildings with respect to multiple typologies 

      Şenyapılı, Burcu (Österreichischer Kunst- und Kulturverlag, 2005)
      This paper discusses the problem of locating buildings of architectural heritage with respect to different typologies. The cross referencing process of such a task can often be tedious and difficult. Within this framework, ...
    • System-theoretical algorithmic solution to waiting times in semi-Markov queues 

      Akar, N.; Sohraby, K. (ELSEVIER, 2009-05-07)
      Markov renewal processes with matrix-exponential semi-Markov kernels provide a generic tool for modeling auto-correlated interarrival and service times in queueing systems. In this paper, we study the steady-state actual ...
    • Systematic ab initio study of curvature effects in carbon nanotubes 

      Gülseren, O.; Yildirim, T.; Çıracı, Salim (American Physical Society, 2002)
      We investigate curvature effects on geometric parameters, energetics, and electronic structure of zigzag nanotubes with fully optimized geometries from first-principle calculations. The calculated curvature energies, which ...
    • A systematic analysis of an initial STEM professional development program : a case study 

      Şenkutlu, Nil (Bilkent University, 2019-01)
      The aim of this case study was to gain a better understanding of how an initial STEM (Science, Technology, Engineering, and Mathematics) professional development (PD) program implemented on a specific group of mathematics ...
    • A systematic analysis of category learning: effects of different learning strategies and task characteristics 

      Solmaz, Elif Cemre (Bilkent University, 2019-06)
      Many studies showed that organization of study materials has a strong effect on learning performance (Kornell & Bjork, 2008). The current study compared category learning performance through blocked and interleaved learning ...
    • Systematic discovery of Rab GTPases with synaptic functions in Drosophila 

      Chan, C.-C.; Scoggin, S.; Wang, D.; Cherry, S.; Dembo, T.; Greenberg, B.; Jin, E.J.; Kuey, C.; Lopez, A.; Mehta, S.Q.; Perkins, T.J.; Brankatschk, M.; Rothenfluh, A.; Buszczak, M.; Hiesinger P.R. (2011)
      Background: Neurons require highly specialized intracellular membrane trafficking, especially at synapses. Rab GTPases are considered master regulators of membrane trafficking in all cells, and only very few Rabs have known ...
    • Systematic evaluation of face detection algorithms on news videos 

      Acar, Can; Atlas, Arda; Çevik, Koray; Ölmez İsa; Ünlü, Mustafa; Özkan, Derya; Duygulu, Pınar (IEEE, 2007)
      People are the most important subjects in news videos and for proper retrieval of people images; face detection is a very crucial step. However, face detection and recognition in news videos is a very challenging task due ...
    • Systematic evaluation of machine translation methods for image and video annotation 

      Virga, P.; Duygulu, Pınar (Springer, 2005)
      In this study, we present a systematic evaluation of machine translation methods applied to the image annotation problem. We used the well-studied Corel data set and the broadcast news videos used by TRECVID 2003 as our ...
    • Systematic hydrolysis of PIM-1 and electrospinning of hydrolyzed PIM-1 ultrafine fibers for an efficient removal of dye from water 

      Satilmis, B.; Budd, P. M.; Uyar T. (Elsevier, 2017-12)
      In this study, the Polymer of Intrinsic Microporosity (PIM-1) was systematically hydrolyzed in the presence of sodium hydroxide by varying the concentration of base, washing procedure and the time of the reaction. The ...
    • Systematic language program development and evaluation in Turkey 

      Yumuk, Ayşe (Bilkent University, 1989)
    • Systematic polar coding 

      Arikan, E. (IEEE, 2011)
      Polar codes were originally introduced as a class of non-systematic linear block codes. This paper gives encoding and decoding methods for systematic polar coding that preserve the low-complexity nature of non-systematic ...
    • Systematic risk and timescales 

      Gençay, R.; Selçuk, F.; Whitcher, B. (Routledge, 2003)
      In this paper we propose a new approach to estimating the systematic risk (the beta of an asset) in a capital asset pricing model (CAPM). The proposed method is based on a wavelet multiscaling approach that decomposes a ...
    • Systematic spatial and stoichiometric screening towards understanding the surface of ultrasmall oxygenated silicon nanocrystal 

      Niaz, S.; Zdetsis, A. D.; Koukaras, E. N.; Gülseren, O.; Sadiq, I. (Elsevier, 2016-11)
      In most of the realistic ab initio and model calculations which have appeared on the emission of light from silicon nanocrystals, the role of surface oxygen has been usually ignored, underestimated or completely ruled out. ...
    • Systematic study of adsorption of single atoms on a carbon nanotube 

      Durgun, E.; Dag, S.; Bagci, V. M. K.; Gülseren, O.; Yildirim, T.; Çıracı, Salim (American Physical Society, 2003)
      We studied the adsorption of single atoms on a semiconducting and metallic single-wall carbon nanotube from first principles for a large number of foreign atoms. The stable adsorption sites, binding energy, and the resulting ...
    • Systematic study of homogenization and the utility of circular simplified representative volume element 

      Firooz, Soheil; Saeb, S.; Chatzigeorgiou, G.; Meraghni, F.; Steinmann, P.; Javili, Ali (Sage Publications, 2019-01)
      Although both computational and analytical homogenization are well-established today, a thorough and systematic study to compare them is missing in the literature. This manuscript aims to provide an exhaustive comparison ...
    • A systematic theory of tradition 

      Alexander, J. (Brill Academic Publishers, 2016)
      We still lack a systematic or complete theory of tradition. By referring to the works of many major figures of the last century - Arendt, Boyer, Eisenstadt, Eliot, Gadamer, Goody, Hobsbawm, Kermode, Leavis, MacIntyre, ...