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Now showing items 82-101 of 117

    • Quadruped Animation 

      Skrba, Ljiljana; Reveret, Lionel; Hetroy, Franck; Cani, Marie-Paule; O'Sullivan, Carol (The Eurographics Association, 2008)
      Films like Shrek, Madagascar, The Chronicles of Narnia and Charlotte s web all have something in common: realistic quadruped animations. While the animation of animals has been popular for a long time, the technical ...
    • Ray Casting Algebraic Surfaces using the Frustum Form 

      Reimers, Martin; Seland, Johan (The Eurographics Association and Blackwell Publishing Ltd, 2008)
      We propose an algorithm for interactive ray-casting of algebraic surfaces of high degree. A key point of our approach is a polynomial form adapted to the view frustum. This so called frustum form yields simple expressions ...
    • Real-Time Rendering and Editing of Vector-based Terrains 

      Bruneton, Eric; Neyret, Fabrice (The Eurographics Association and Blackwell Publishing Ltd, 2008)
      We present a method to populate very large terrains with very detailed features such as roads, rivers, lakes and fields. These features can be interactively edited, and the landscape can be explored in real time at any ...
    • Real-Time Translucent Rendering Using GPU-based Texture Space Importance Sampling 

      Chang, Chih-Wen; Lin, Wen-Chieh; Ho, Tan-Chi; Huang, Tsung-Shian; Chuang, Jung-Hong (The Eurographics Association and Blackwell Publishing Ltd, 2008)
      We present a novel approach for real-time rendering of translucent surfaces. The computation of subsurface scattering is performed by first converting the integration over the 3D model surface into an integration over a ...
    • Real-Time Volumetric Tests Using Layered Depth Images 

      Trapp, Matthias; Doellner, Juergen (The Eurographics Association, 2008)
      This paper presents a new approach for performing efficiently 3D point-in-volume tests for solid and arbitrary complex shapes. It classifies a 3D point as inside or outside of a solid specified by 3D polygonal geometry. ...
    • Recognition of Human Actions using Layered Hidden Markov Models 

      Perdikis, Serafeim; Tzovaras, Dimitrios; Strintzis, Michael Gerasimos (The Eurographics Association, 2008)
      Human activity recognition has been a major goal of research in the field of human - computer interaction. This paper proposes a method which employs a hierarchical structure of Hidden Markov Models (Layered HMMs) in an ...
    • Reduced Depth and Visual Hulls of Complex 3D Scenes 

      Bogomjakov, Alexander; Gotsman, Craig (The Eurographics Association and Blackwell Publishing Ltd, 2008)
      Depth and visual hulls are useful for quick reconstruction and rendering of a 3D object based on a number of reference views. However, for many scenes, especially multi-object, these hulls may contain significant artifacts ...
    • Removing Artifacts Due To Frequency-Domain Processing of Light-Fields 

      Intwala, Chintan; Georgeiv, Todor (The Eurographics Association, 2008)
      In previous works, light-field capture has been analyzed in spatio-angular representation. A light-field camera samples the optical signal within a single photograph by multiplexing the 4D radiance onto the physical 2D ...
    • Render2MPEG: A Perception-based Framework Towards Integrating Rendering and Video Compression 

      Herzog, Robert; Kinuwaki, Shinichi; Myszkowski, Karol; Seidel, Hans-Peter (The Eurographics Association and Blackwell Publishing Ltd, 2008)
      Currently 3D animation rendering and video compression are completely independent processes even if rendered frames are streamed on-the-fly within a client-server platform. In such scenario, which may involve time-varying ...
    • Rendering Method for Flat Origami 

      Mitani, Jun (The Eurographics Association, 2008)
      In flat Origami (Origami which is folded flat), some cases exist that have a closed-loop in the overlap order of faces after they are folded. It is difficult to display this shape correctly on the screen when Origami is ...
    • Revealing Pentimenti Through Raking Angle Photography 

      Cheung, Chi Yin; Mohan, Ankit; Tumblin, Jack (The Eurographics Association, 2008)
      Discovering hidden details in historical paintings, such as pentimenti, can help reveal historical influences and changing intentions of an artist. Top-down photographs of visible light historical paintings do not capture ...
    • The Role of Perception for Computer Graphics 

      Bartz, Dirk; Cunningham, Douglas; Fischer, Jan; Wallraven, Christian (The Eurographics Association, 2008)
      Traditionally, computer graphics strived to achieve the technically best representation of the scenario or scene. For rendering, this lead to the preeminence of representations based on the physics of light interacting ...
    • A Semi-Lagrangian CIP Fluid Solver without Dimensional Splitting 

      Kim, Doyub; Song, Oh-young; Ko, Hyeong-Seok (The Eurographics Association and Blackwell Publishing Ltd, 2008)
      In this paper, we propose a new constrained interpolation profile (CIP) method that is stable and accurate but requires less amount of computation compared to existing CIP-based solvers. CIP is a high-order fluid advection ...
    • The Shadow Meets the Mask: Pyramid-Based Shadow Removal 

      Shor, Yael; Lischinski, Dani (The Eurographics Association and Blackwell Publishing Ltd, 2008)
      In this paper we propose a novel method for detecting and removing shadows from a single image thereby obtaining a high-quality shadow-free image. With minimal user assistance, we first identify shadowed and lit areas on ...
    • Shadowed Relighting of Dynamic Geometry with 1D BRDFs 

      Nowrouzezahrai, Derek; Kalogerakis, Evangelos; Simari, Patricio; Fiume, Eugene (The Eurographics Association, 2008)
      We present a method for synthesizing the dynamic self-occlusion of an articulating character in real-time (> 170Hz) while incorporating reflection effects from 1D BRDFs under dynamic lighting and view conditions. We ...
    • Simulation of Human Motion Data using Short-Horizon Model-Predictive Control 

      Da Silva, M.; Abe, Y.; Popovic, J. (The Eurographics Association and Blackwell Publishing Ltd, 2008)
      Many data-driven animation techniques are capable of producing high quality motions of human characters. Few techniques, however, are capable of generating motions that are consistent with physically simulated environments. ...
    • Single-pass Scalable Subsurface Rendering with Lightcuts 

      Arbree, Adam; Walter, Bruce; Bala, Kavita (The Eurographics Association and Blackwell Publishing Ltd, 2008)
      This paper presents a new, scalable, single pass algorithm for computing subsurface scattering using the diffusion approximation. Instead of pre-computing a globally conservative estimate of the surface irradiance like ...
    • Sketch-Based Procedural Surface Modeling and Compositing Using Surface Trees 

      Schmidt, Ryan; Singh, Karan (The Eurographics Association and Blackwell Publishing Ltd, 2008)
      We present a system for creating and manipulating layered procedural surface editing operations, which is motivated by the limited support for iterative design in free-form modeling. A combination of sketch-based and ...
    • Sketching and Composing Widgets for 3D Manipulation 

      Schmidt, Ryan; Singh, Karan; Balakrishnan, Ravin (The Eurographics Association and Blackwell Publishing Ltd, 2008)
      We present an interface for 3D object manipulation in which standard transformation tools are replaced with transient 3D widgets invoked by sketching context-dependent strokes. The widgets are automatically aligned to axes ...
    • Sparse points matching by combining 3D mesh saliency with statistical descriptors 

      Castellani, U.; Cristani, M.; Fantoni, S.; Murino, V. (The Eurographics Association and Blackwell Publishing Ltd, 2008)
      This paper proposes new methodology for the detection and matching of salient points over several views of an object. The process is composed by three main phases. In the first step, detection is carried out by adopting a ...