Now showing items 11492-11511 of 17315

    • A Practical Dynamics System 

      Kacic-Alesic, Zoran; Nordenstam, Marcus; Bullock, David (The Eurographics Association, 2003)
      We present an effective production-proven dynamics system. It uses an explicit time differencing method that is efficient, reasonably accurate, conditionally stable, and above all simple to implement. We describe issues ...
    • Practical Experiences with Using Autocollimator for Surface Reflectance Measurement 

      Havran, Vlastimil (The Eurographics Association, 2016)
      We present our experiences with using an autocollimator to set up the surface reflectance measurement for both BRDF and BTF. Assuming the measured material appearance is put on a locally flat surface, the autocollimator ...
    • Practical Fabrication of Discrete Chebyshev Nets 

      Liu, Hao-Yu; Liu, Zhong-Yuan; Zhao, Zheng-Yu; Liu, Ligang; Fu, Xiao-Ming (The Eurographics Association and John Wiley & Sons Ltd., 2020)
      We propose a computational and practical technique to allow home users to fabricate discrete Chebyshev nets for various 3D models. The success of our method relies on two key components. The first one is a novel and simple ...
    • Practical Face Reconstruction via Differentiable Ray Tracing 

      Dib, Abdallah; Bharaj, Gaurav; Ahn, Junghyun; Thébault, Cédric; Gosselin, Philippe; Romeo, Marco; Chevallier, Louis (The Eurographics Association and John Wiley & Sons Ltd., 2021)
      We present a differentiable ray-tracing based novel face reconstruction approach where scene attributes - 3D geometry, reflectance (diffuse, specular and roughness), pose, camera parameters, and scene illumination - are ...
    • Practical Foldover-Free Volumetric Mapping Construction 

      Su, Jian-Ping; Fu, Xiao-Ming; Liu, Ligang (The Eurographics Association and John Wiley & Sons Ltd., 2019)
      In this paper, we present a practically robust method for computing foldover-free volumetric mappings with hard linear constraints. Central to this approach is a projection algorithm that monotonically and efficiently ...
    • Practical Free-form RTI Acquisition with Local Spot Lights 

      Pintus, Ruggero; Ciortan, Irina Mihaela; Giachetti, Andrea; Gobbetti, Enrico (The Eurographics Association, 2016)
      We present an automated light calibration pipeline for free-form acquisition of shape and reflectance of objects using common off-the-shelf illuminators, such as LED lights, that can be placed arbitrarily close to the ...
    • A Practical GPU-accelerated Method for the Simulation of Naval Objects on Irregular Waves 

      Bezgodov, Alexey; Karsakov, Andrey (The Eurographics Association, 2016)
      This paper introduce a new method for real-time simulation of naval objects (such as vessels, ships, buoys and lifejackets) with six degrees of freedom on irregular waves. Thus method is based on hydrodynamic and hydrostatic ...
    • A Practical Guide to Polygon Mesh Repairing 

      Campen, Marcel; Attene, Marco; Kobbelt, Leif (The Eurographics Association, 2012)
      Digital 3D models are key components in many industrial and scientific sectors. In numerous domains polygonmeshes have become a de facto standard for model representation. In practice meshes often have a number ofdefects ...
    • Practical HDR Texture Compression 

      Munkberg, J.; Clarberg, P.; Hasselgren, J.; Akenine-Moeller, T. (The Eurographics Association and Blackwell Publishing Ltd, 2008)
      The use of high dynamic range (HDR) textures in real-time graphics applications can increase realism and provide a more vivid experience. However, the increased bandwidth and storage requirements for uncompressed HDR data ...
    • Practical Line Rasterization for Multi-resolution Textures 

      Taibo, Javier; Jaspe, Alberto; Seoane, Antonio; Agus, Marco; Hernández, Luis (The Eurographics Association, 2014)
      Draping 2D vectorial information over a 3D terrain elevation model is usually performed by real-time rendering to texture. In the case of linear feature representation, there are several specific problems using the texturing ...
    • Practical logarithmic rasterization for low-error shadow maps 

      Lloyd, D. Brandon; Govindaraju, Naga K.; Molnar, Steven E.; Manocha, Dinesh (The Eurographics Association, 2007)
      Logarithmic shadow maps can deliver the same quality as competing shadow map algorithms with substantially less storage and bandwidth. We show how current GPU architectures can be modified incrementally to support rendering ...
    • Practical Low‐Cost Recovery of Spectral Power Distributions 

      Alvarez‐Cortes, Sara; Kunkel, Timo; Masia, Belen (Copyright © 2016 The Eurographics Association and John Wiley & Sons Ltd., 2016)
      Measuring the spectral power distribution of a light source, that is, the emission as a function of wavelength, typically requires the use of spectrophotometers or multi‐spectral cameras. Here, we propose a low‐cost system ...
    • Practical Machine Learning for Rendering: From Research to Deployment 

      Marshall, Carl S.; Vembar, Deepak S.; Ganguly, Sujoy; Guinier, Florent (The Eurographics Association, 2022)
      Applying machine learning to improve graphics rendering or asset pipelines is challenging. Practicalities such as proprietary datasets, network retraining, and deployment issues make it difficult to translate published ...
    • A Practical Male Hair Aging Model 

      Volkmann, Diego V.; Walter, Marcelo (The Eurographics Association, 2020)
      The modeling and rendering of hair in Computer Graphics have seen much progress in the last few years. However, modeling and rendering hair aging, visually seen as the loss of pigments, have not attracted the same attention. ...
    • Practical Measurement and Reconstruction of Spectral Skin Reflectance 

      Gitlina, Yuliya; Guarnera, Giuseppe Claudio; Dhillon, Daljit Singh; Hansen, Jan; Lattas, Alexandros; Pai, Dinesh; Ghosh, Abhijeet (The Eurographics Association and John Wiley & Sons Ltd., 2020)
      We present two practical methods for measurement of spectral skin reflectance suited for live subjects, and drive a spectral BSSRDF model with appropriate complexity to match skin appearance in photographs, including human ...
    • Practical Measurement-based Modeling and Rendering of Surface Diffraction 

      Toisoul, Antoine (2019)
      Computer graphics have evolved at a very fast pace over the last forty years. Most of the research in rendering has been focused on recreating visual effects that can be explained with geometric optics, such as reflections ...
    • Practical Medial Axis Filtering for Occlusion-Aware Contours 

      Livesu, Marco; Scateni, Riccardo (The Eurographics Association, 2015)
      We propose a filtering system for occlusion-aware contours. Given a point of view, we use the silhouette of a 3D shape from that point of view, its medial axis and a map of the occluded areas. Our filter is able to select ...
    • A Practical Method for Animating Anisotropic Elastoplastic Materials 

      Schreck, Camille; Wojtan, Chris (The Eurographics Association and John Wiley & Sons Ltd., 2020)
      This paper introduces a simple method for simulating highly anisotropic elastoplastic material behaviors like the dissolution of fibrous phenomena (splintering wood, shredding bales of hay) and materials composed of large ...
    • A Practical Method for High-Resolution Embedded Liquid Surfaces 

      Goldade, Ryan; Batty, Christopher; Wojtan, Chris (The Eurographics Association and John Wiley & Sons Ltd., 2016)
      Combining high-resolution level set surface tracking with lower resolution physics is an inexpensive method for achieving highly detailed liquid animations. Unfortunately, the inherent resolution mismatch introduces several ...
    • Practical Method to Estimate Fabric Mechanics from Metadata 

      Dominguez-Elvira, Henar; Nicás, Alicia; Cirio, Gabriel; Rodríguez, Alejandro; Garces, Elena (The Eurographics Association and John Wiley & Sons Ltd., 2024)
      Estimating fabric mechanical properties is crucial to create realistic digital twins. Existing methods typically require testing physical fabric samples with expensive devices or cumbersome capture setups. In this work, ...