Now showing items 1-19 of 19

    • Active pixel merging on hypercube multicomputers 

      Kurç, Tahsin M.; Aykanat, Cevdet; Özgüç, Bülent (Springer, Berlin, Heidelberg, 1996)
      This paper presents algorithms developed for pixel merging phase of object-space parallel polygon rendering on hypercube-connected multicomputers. These algorithms reduce volume of communication in pixel merging phase by ...
    • Animation of boiling phenomena 

      Bülbül, Abdullah; Küçüktunç, Onur; Özgüç, Bülent (IEEE, 2008-05)
      Phenomenon of boiling is a challenging topic for computer graphics due to its complex hydrodynamics and formulation. Realistic fluid animations require very heavy three-dimensional fluid flow calculations, and surface ...
    • An animation system for fracturing of rigid objects 

      Küçükyilmaz, Ayşe; Özgüç, Bülent (Springer, Berlin, Heidelberg, 2005)
      This paper describes a system for the animation of fracturing brittle objects. The system combines rigid body simulation methods with a constraint-based model to animate fracturing of arbitrary polyhedral shaped objects ...
    • Architectural sketch recognition 

      Durgun, Fatoş Bengi; Özgüç, Bülent (1990)
      Sketch recognition is applied to freehand architectural drawings. The purpose is to recognize the architect’s intentions from a quick sketch and generate a detailed drawing. The system can also calibrate itself to interpret ...
    • Combined filtering and key-frame reduction of motion capture data with application to 3DTV 

      Önder, Onur; Erdem, Ç.; Erdem, T.; Güdükbay, Uğur; Özgüç, Bülent (WSCG, 2006-01-02)
      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, ...
    • Comparison of two image-space subdivision algorithms for direct volume rendering on distributed-memory multicomputers 

      Tanin, Egemen; Kurç, Tahsin M.; Aykanat, Cevdet; Özgüç, Bülent (Springer, 1995-08)
      Direct Volume Rendering (DVR) is a powerful technique for visualizing volumetric data sets. However, it involves intensive computations. In addition, most of the volumetric data sets consist of large number of 3D sampling ...
    • Design and implementation of a tool for teaching programming 

      Göktepe, Mesut; Özgüç, Bülent; Baray, Mehmet (1989)
      Recently, computers have been widely used in almost all fields of education. Our approach to computer aided education is mainly concerned with programming. Here, it is intended to teach the Pascal language for problem ...
    • Fast ray tracing 3D models 

      İşler, Veysi; Özgüç, Bülent (1991)
      In many computer graphics applications such as CAD, realistic displays have very important and positive effects on the users of the system. There are several techniques to generate realistic images with the computer. Ray ...
    • Keyframe reduction techniques for motion capture data 

      Önder, Onur; Güdükbay, Uğur; Özgüç, Bülent; Erdem, T.; Erdem, Ç.; Özkan, M. (IEEE, 2008-05)
      Two methods for keyframe reduction of motion capture data are presented. Keyframe reduction of motion capture data enables animators to easily edit motion data with smaller number of keyframes. One of the approaches achieves ...
    • Modeling interaction of fluid, fabric, and rigid objects for computer graphics 

      Bayraktar, Serkan; Güdükbay, Uğur; Özgüç, Bülent (IEEE, 2006)
      Simulating every day phenomena such as fluid, rigid objects, or cloth and their interaction has been a challenge for the computer graphics community for decades. In this article techniques to model such interactions are ...
    • Modeling, animation, and rendering of human figures 

      Güdükbay, Uğur; Özgüç, Bülent; Memişoğlu, Aydemir; Yeşil, Mehmet Şahin (Springer, 2008)
    • Motion control for realistic walking behavior using inverse kinematics 

      Memişoǧlu, Aydemir; Güdükbay,Uğur; Özgüç, Bülent (IEEE, 2007-05)
      This study presents an interactive hierarchical motion control system for the animation of human figure locomotion. The articulated figure animation system creates movements using motion control techniques at different ...
    • Perceptual caricaturization of 3D models 

      Çimen, Gökçen; Bülbül, Abdullah; Özgüç, Bülent; Çapın, Tolga (Springer, 2013)
      Caricature is an illustration of a person or a subject that uses a way of exaggerating the most distinguishable characteristic traits and simplifying the common features in order to magnify the unique features of the ...
    • Practical and realistic animation of cloth 

      Bayraktar, Serkan; Güdükbay, Uğur; Özgüç, Bülent (IEEE, 2007-05)
      In this paper, we propose a system for the practical animation of cloth materials. A mass spring based cloth model is used. Explicit time integration methods are used to solve the equations of motion. We update the spring ...
    • Progressive refinement radiosity on ring-connected multicomputers 

      Çapın, Tolga K.; Aykanat, Cevdet; Özgüç, Bülent (ACM, 1993-10)
      The progressive refinement method is investigated for parallelization on ring-connected multicomputers. A synchronous scheme, based on static task assignment, is proposed, in order to achieve better coherence during the ...
    • Simulation of water drops on a surface 

      Algan, Eren; Kabak, Mustafa; Özgüç, Bülent; Çapin, Tolga (IEEE, 2008-05)
      We have designed and implemented a model for rendering and animating water drops moving on a surface under physical effects such as gravity, surface affinity and wind. For improved rendering, the output of the simulation ...
    • Subdivision of 3D space based on the graph partitioning for parallel ray tracing 

      İşler, V.; Aykanat, Cevdet; Özgüç, Bülent (Springer, 1994)
      An approach for parallel ray tracing is to subdivide the 3D space into rectangular volumes and assign the object descriptions with their related computations in each volume to a different processor. The subdivision process ...
    • Walkthrough in complex environments at interactive rates using level-of-detail 

      Selçuk, Alper; Güdükbay, Uğur; Özgüç, Bülent (TÜBİTAK, 2002)
      One of the biggest problems in computer graphics is displaying huge geometric models at interactive rates. A lot of work has been done to achieve the required frame-rates in architecture, simulation, computer-aided design ...
    • Web-based information system for virtual museum of underwater cultural heritage in Turkey 

      Varinlioğlu, Güzden; Özgüç, Bülent (2012)
      This paper presents a developed web-based information system using the data collected during underwater surveys conducted on the coastal region of Turkey. Divers from a variety of professional backgrounds collected data ...