Now showing items 1-20 of 28

    • BilKristal 4.0: A tool for crystal parameters extraction and defect quantification 

      Okuyan, E.; Okuyan, C. (Elsevier, 2015)
      In this paper, we present a revised version of BilKristal 3.0 tool. Raycast screenshot functionality is added to provide improved visual analysis. We added atomic distance analysis functionality to assess crystalline ...
    • The BioPAX community standard for pathway data sharing 

      Demir, E.; Cary, M. P.; Paley, S.; Fukuda, K.; Lemer, C.; Vastrik, I.; Wu, G.; D'Eustachio, P.; Schaefer, C.; Luciano, J.; Schacherer, F.; Martinez-Flores, I.; Hu, Z.; Jimenez-Jacinto, V.; Joshi-Tope, G.; Kandasamy, K.; Lopez-Fuentes, A. C.; Mi, H.; Pichler, E.; Rodchenkov, I.; Splendiani, A.; Tkachev, S.; Zucker, J.; Gopinath, G.; Rajasimha, H.; Ramakrishnan, R.; Shah, I.; Syed, M.; Anwar, N.; Babur, Ö.; Blinov, M.; Brauner, E.; Corwin, D.; Donaldson, S.; Gibbons, F.; Goldberg, R.; Hornbeck, P.; Luna, A.; Murray-Rust, P.; Neumann, E.; Reubenacker, O.; Samwald, M.; Iersel, Martijn van; Wimalaratne, S.; Allen, K.; Braun, B.; Whirl-Carrillo, M.; Cheung, Kei-Hoi; Dahlquist, K.; Finney, A.; Gillespie, M.; Glass, E.; Gong, L.; Haw, R.; Honig, M.; Hubaut, O.; Kane, D.; Krupa, S.; Kutmon, M.; Leonard, J.; Marks, D.; Merberg, D.; Petri, V.; Pico, A.; Ravenscroft, D.; Ren, L.; Shah, N.; Sunshine, M.; Tang R.; Whaley, R.; Letovksy, S.; Buetow, K. H.; Rzhetsky, A.; Schachter, V.; Sobral, B. S.; Dogrusoz, U.; McWeeney, S.; Aladjem, M.; Birney, E.; Collado-Vides, J.; Goto, S.; Hucka, M.; Novère, Nicolas Le; Maltsev, N.; Pandey, A.; Thomas, P.; Wingender, E.; Karp, P. D.; Sander, C.; Bader, G. D. (Nature Publishing Group, 2010)
      Biological Pathway Exchange (BioPAX) is a standard language to represent biological pathways at the molecular and cellular level and to facilitate the exchange of pathway data. The rapid growth of the volume of pathway ...
    • Combined filtering and key-frame reduction of motion capture data with application to 3DTV 

      Önder O.; Erdem Ç.; Erdem, T.; Güdükbay, U.; Özgüç, B. (2006)
      A new method for combined filtering and key-frame reduction of motion capture data is proposed. Filtering of motion capture data is necessary to eliminate any jitter introduced by a motion capture system. Key-frame reduction, ...
    • Current research activities on holographic video displays 

      Onural, L.; Yaraş, F.; Kang, H. (S P I E - International Society for Optical Engineering, 2010)
      "True 3D" display technologies target replication of physical volume light distributions. Holography is a promising true 3D technique. Widespread utilization of holographic 3D video displays is hindered by current technological ...
    • Effect of sample locations on computation of the exact scalar diffraction field (in English) 

      Esmer, G. B.; Özaktaş, H. M.; Onural, L. (IEEE, 2012)
      Computer generated holography is one of common methods to obtain three-dimensional visualization. It can be explained by behavior of propagating waves and interference. To calculate the scalar diffraction pattern on a ...
    • Extraction of 3D navigation space in virtual urban environments 

      Yilmaz, T.; Güdükbay, U. (2005)
      Urban scenes are one class of complex geometrical environments in computer graphics. In order to develop navigation systems for urban sceneries, extraction and cellulization of navigation space is one of the most commonly ...
    • Fast and accurate algorithms for quadratic phase integrals in optics and signal processing 

      Koç, A.; Ozaktas, H., M.; Hesselink L. (SPIE, 2011)
      The class of two-dimensional non-separable linear canonical transforms is the most general family of linear canonical transforms, which are important in both signal/image processing and optics. Application areas include ...
    • Fire detection and 3D fire propagation estimation for the protection of cultural heritage areas 

      Dimitropoulos, K.; Köse, K.; Grammalidis, N.; Cetin, E. (International Society for Photogrammetry and Remote Sensing, 2010)
      Beyond taking precautionary measures to avoid a forest fire, early warning and immediate response to a fire breakout are the only ways to avoid great losses and environmental and cultural heritage damages. To this end, ...
    • A framework for applying the principles of depth perception to information visualization 

      Zeynep, C. Y.; Bulbul, A.; Capin, T. (Association for Computing Machinery, 2013)
      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 framework for enhancing depth perception in computer graphics 

      Cipiloglu, Z.; Bulbul, A.; Capin, T. (2010)
      This paper introduces a solution for enhancing depth perception in a given 3D computer-generated scene. For this purpose, we propose a framework that decides on the suitable depth cues for a given scene and the rendering ...
    • Graph visualization toolkits 

      Dogrusoz, U.; Feng, Q.; Madden, B.; Doorley, M.; Frick, A. (IEEE, 2002)
      The Graph Layout Toolkit and Graph Editor Toolkit, which provide a framework for graph visualization useful in a broad array of application areas are introduced. As such, an architectural overview of these tools is presented ...
    • A layout algorithm for undirected compound graphs 

      Dogrusoz, U.; Giral, E.; Cetintas, A.; Civril, A.; Demir, E. (Elsevier Inc., 2009-03)
      We present an algorithm for the layout of undirected compound graphs, relaxing restrictions of previously known algorithms in regards to topology and geometry. The algorithm is based on the traditional force-directed layout ...
    • A layout algorithm for undirected compount graphs 

      Giral, Erhan (Bilkent University, 2005)
      Graph layout is an important problem in information visualization. All datadriven graph-based information visualization systems require some sort of an automatic geometry generation mechanism, as it is generally not ...
    • MaterialVis: material visualization tool using direct volume and surface rendering techniques 

      Okuyan, E.; Güdükbay U.; Bulutay, C.; Heinig, Karl-Heinz (Elsevier Inc., 2014)
      Visualization of the materials is an indispensable part of their structural analysis. We developed a visualization tool for amorphous as well as crystalline structures, called MaterialVis. Unlike the existing tools, ...
    • Multiresolution block coding method for visualization of compressed images in multimedia applications 

      Gerek, O. N.; Cetin, E. A. (Society of Photo-Optical Instrumentation Engineers, 1994)
      Multimedia and Picture Archiving and Communication System (PACS) applications require efficient ways of handling images for communication and visualization. In many Visual Information and Management Systems (VIMS), it may ...
    • Nitelik tabanlı sınıflandırıcılar ve koşullu rastgele alan ile dikkat çeken görsel bölge tespiti 

      Demirel, B.; Cinbiş, R. G.; Ikizler-Cinbiş, N. (Institute of Electrical and Electronics Engineers Inc., 2016)
      Dikkat çeken görsel bölge tahmini, resimlerde ya da sahnelerde insan gözünün öncelikli olarak odaklandıgı bölgeleri bulmayı amaçlayan bir bilgisayarlı görü problemidir. Pekçok bilgisayarlı görü problemi bir sahnedeki ...
    • Physically-based simulation of hair strips in real-time 

      Taşkiran H.D.; Güdükbay, U. (2005)
      In this paper, we present our implementation of physically-based simulation of hair strips. We used a mass-spring model followed by a hybrid approach where particle systems and the method of clustering of hair strands are ...
    • Processing of optically-captured digital holograms for three-dimensional display 

      Naughton, T.J.; Kreis, T.; Onural L.; Ferraro P.; Depeursinge, C.; Emery, Y.; Hennelly, B.M.; Kujawiñska, M. (2009)
      In digital holography, holograms are usually optically captured and then two-dimensional slices of the reconstruction volume are reconstructed by computer and displayed on a two-dimensional display. When the recording is ...
    • Production and visualization of 3D city models from building allocation plans 

      Oǧuz, C.; Aran, M.E.; Yilmaz, T.; Güdükbay, U. (2006)
      This paper presents a method for the automatic generation of different building models to be used to populate virtual cities and a system of visualization of generated city models. The proposed method incorporates randomness ...
    • Realistic rendering and animation of a multi-layered human body model 

      Yeşil, M.Ş.; Güdükbay, U. (2006)
      A framework for realistic rendering of a multi-layered human body model is proposed in this paper. The human model is composed of three layers: skeleton, muscle, and skin. The skeleton layer, represented by a set of joints ...