Now showing items 1-19 of 19

    • A 3D dynamic model of a spherical wheeled self-balancing robot 

      İnal, Ali Nail; Morgül, Ömer; Saranlı, Uluç (2012)
      Mobility through balancing on spherical wheels has recently received some attention in the robotics literature. Unlike traditional wheeled platforms, the operation of such platforms depends heavily on understanding and ...
    • 3D thumbnails for mobile media browser interface with autostereoscopic displays 

      Gündoğdu, R. Bertan; Yiğit, Yeliz; Çapin, Tolga (Springer, 2010-01)
      In this paper, we focus on the problem of how to visualize and browse 3D videos and 3D images in a media browser application, running on a 3D-enabled mobile device with an autostereoscopic display. We propose a 3D thumbnail ...
    • Bina tahsis planlarından 3-boyutlu şehir modellerinin üretilmesi ve görüntülenmesi 

      Oǧuz, Oğuzcan; Aran, Medeni Erol; Yilmaz, Türker; Güdükbay, Uğur (IEEE, 2006-04)
      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 ...
    • Dual-finger 3D interaction techniques for mobile devices 

      Telkenaroglu, C.; Capin, T. (Springer U K, 2013)
      Three-dimensional capabilities on mobile devices are increasing, and the interactivity is becoming a key feature of these tools. It is expected that users will actively engage with the 3D content, instead of being passive ...
    • Effect of sample locations on computation of the exact scalar diffraction field (in English) 

      Esmer, G. B.; Özaktaş, Haldun M.; Onural, Levent (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 ...
    • Estimation of depth fields suitable for video compression based on 3-D structure and motion of objects 

      Alatan, A. A.; Onural, L. (Institute of Electrical and Electronics Engineers, 1998-06)
      Intensity prediction along motion trajectories removes temporal redundancy considerably in video compression algorithms. In three-dimensional (3-D) object-based video coding, both 3-D motion and depth values are required ...
    • Example-based retargeting of human motion to arbitrary mesh models 

      Celikcan, U.; Yaz I.O.; Capin, T. (Blackwell Publishing Ltd, 2015)
      We present a novel method for retargeting human motion to arbitrary 3D mesh models with as little user interaction as possible. Traditional motion-retargeting systems try to preserve the original motion, while satisfying ...
    • Extraction of 3D navigation space in virtual urban environments 

      Yılmaz, Türker; Güdükbay, Uğur (IEEE, 2005-09)
      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 ...
    • 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 ...
    • ILP-based communication reduction for heterogeneous 3D network-on-chips 

      Aktürk, İsmail; Öztürk, Özcan (IEEE, 2013-02-03)
      Network-on-Chip (NoC) architectures and three-dimensional integrated circuits (3D ICs) have been introduced as attractive options for overcoming the barriers in interconnect scaling while increasing the number of cores. ...
    • Increasing the sense of presence in a simulation environment using image generators based on visual attention 

      Ciflikli, B.; İşler, V.; Güdükbay U. (M I T Press, 2010-12)
      Flight simulator systems generally use a separate image-generator component. The host is responsible for the positional data updates of the entities and the image generator is responsible for the rendering process. In such ...
    • Mars: A tool-based modeling, animation, and parallel rendering system 

      Aktıhanoğlu, M.; Özgüç, B.; Aykanat, C. (Springer, 1994)
      This paper describes a system for modeling, animating, previewing and rendering articulated objects. The system has a modeler of objects that consists of joints and segments. The animator interactively positions the ...
    • Novel compression algorithm based on sparse sampling of 3-D laser range scans 

      Dobrucali, O.; Barshan, B. (Oxford University Press, 2013)
      Three-dimensional models of environments can be very useful and are commonly employed in areas such as robotics, art and architecture, facility management, water management, environmental/industrial/urban planning and ...
    • An overview of research in 3DTV 

      Onural, Levent (IEEE, 2007)
      3DTV is regarded by the experts and the general public as the next major step in video technologies. The ghost-like images of remote persons or objects are already depicted in many futuristic movies; both entertainment ...
    • Procedural visualization of knitwear and woven cloth 

      Durupınar, F.; Güdükbay U. (Pergamon Press, 2007-11)
      In this paper, a procedural method for the visualization of knitted and woven fabrics is presented. The proposed method is compatible with a mass-spring model and makes use of the regular warp-weft structure of the cloth. ...
    • Regional model-based computerized ionospheric tomography using GPS measurements: IONOLAB-CIT 

      Tuna, H.; Arikan, O.; Arikan, F. (Wiley-Blackwell Publishing, Inc., 2015)
      Three-dimensional imaging of the electron density distribution in the ionosphere is a crucial task for investigating the ionospheric effects. Dual-frequency Global Positioning System (GPS) satellite signals can be used to ...
    • Scalar diffraction field calculation from curved surfaces via Gaussian beam decomposition 

      Şahin, E.; Onural, L. (Optical Society of America, 2012-06-29)
      We introduce a local signal decomposition method for the analysis of three-dimensional (3D) diffraction fields involving curved surfaces. We decompose a given field on a two-dimensional curved surface into a sum of properly ...
    • Stereoscopic urban visualization based on graphics processor unit 

      Yilmaz, T.; Güdükbay U. (S P I E - International Society for Optical Engineering, 2008-09)
      We propose a framework for the stereoscopic visualization of urban environments. The framework uses occlusion and view-frustum culling (VFC) and utilizes graphics hardware to speed up the rendering process. The occlusion ...
    • A virtual garment design and simulation system 

      Durupınar, Funda; Güdükbay, Uğur (IEEE, 2007-07)
      In this paper, a 3D graphics environment for virtual garment design and simulation is presented. The proposed system enables the three dimensional construction of a garment from its cloth panels, for which the underlying ...