Now showing items 5960-5979 of 17315

    • A Frequency Analysis of Light Transport: from Theory to Implementation 

      Belcour, Laurent (Belcour, 2012-10-30)
      The simulation of complex light effects such as depth-of-field, motionblur or scattering in participating media requires a tremendous amountof computation. But the resulting pictures are often blurry. We claimthat those ...
    • Frequency Based Radiance Cache for Rendering Animations 

      Dubouchet, Renaud Adrien; Belcour, Laurent; Nowrouzezahrai, Derek (The Eurographics Association, 2017)
      We propose a method to render animation sequences with direct distant lighting that only shades a fraction of the total pixels. We leverage frequency-based analyses of light transport to determine shading and image sampling ...
    • Frequency-Aware Reconstruction of Fluid Simulations with Generative Networks 

      Biland, Simon; Azevedo, Vinicius C.; Kim, Byungsoo; Solenthaler, Barbara (The Eurographics Association, 2020)
      Convolutional neural networks were recently employed to fully reconstruct fluid simulation data from a set of reduced parameters. However, since (de-)convolutions traditionally trained with supervised l1-loss functions do ...
    • A Frequency-Domain Approach to Watermarking 3D Shapes 

      Ohbuchi, 1 Ryutarou; Mukaiyama, 1 Akio; Takahashi, 2 Shigeo (Blackwell Publishers, Inc and the Eurographics Association, 2002)
      This paper presents a robust watermarking algorithm with informed detection for 3D polygonal meshes. The algorithm is based on our previous algorithm [22] that employs mesh-spectral analysis to modify mesh shapes in their ...
    • Fresnel Equations Considered Harmful 

      Hoffman, Naty (The Eurographics Association, 2019)
      Microfacet shading models in film and game production have long used a simple approximation to the Fresnel equations, published by Schlick in 1994. Recently a growing number of film studios have transitioned to using the ...
    • A Fresnel Model for Coated Materials 

      Vernooij, Hannes B. (The Eurographics Association, 2024)
      We propose a novel analytical RGB model for rendering coated conductors, which provides improved accuracy of Fresnel reflectance in BRDFs. Our model targets real-time path tracing and approximates the Fresnel reflectance ...
    • FrictGAN: Frictional Signal Generation from Fabric Texture Images using Generative Adversarial Network 

      Cai, Shaoyu; Ban, Yuki; Narumi, Takuji; Zhu, Kening (The Eurographics Association, 2020)
      The electrostatic tactile display could render the tactile feeling of different haptic texture surfaces by generating the frictional force through voltage modulation when a finger is sliding on the display surface. However, ...
    • Friction Handling for Penalty-Based Methods 

      Lazarevych, Olexiy; Spillmann, Jonas; Renner, Christoph; Szekely, Gabor; Harders, Matthias (The Eurographics Association, 2009)
      In order to handle collisions between interacting deformable objects, the penalty method is widely employed since it is simple to implement and computationally inexpensive. In this paper a novel penalty method for handling ...
    • Friction Sound Synthesis of Deformable Objects based on Adhesion Theory 

      Nakatsuka, Takayuki; Morishima, Shigeo (The Eurographics Association, 2016)
      Friction sound is one of the closest sounds for us in any situations. Most of those sounds are created by Foley artists in computer animations. However, synthesizing sounds in all scenes need technical skills and take high ...
    • Friction surfaces: scaled ray-casting manipulation for interacting with 2D GUIs 

      Andujar, C.; Argelaguet, F. (The Eurographics Association, 2006)
      The accommodation of conventional 2D GUIs with Virtual Environments (VEs) can greatly enhance the possibilities of many VE applications. In this paper we present a variation of the well-known ray-casting technique for fast ...
    • From 2.5D Bas‐relief to 3D Portrait Model 

      Zhang, Yu‐Wei; Wang, Wenping; Chen, Yanzhao; Liu, Hui; Ji, Zhongping; Zhang, Caiming (© 2020 Eurographics ‐ The European Association for Computer Graphics and John Wiley & Sons Ltd, 2020)
      In contrast to 3D model that can be freely observed, p ortrait bas‐relief projects slightly from the background and is limited by fixed viewpoint. In this paper, we propose a novel method to reconstruct the underlying 3D ...
    • From 3D Acquisition to Augmented Reality: the case of the Charterhouse of Villeneuve-lès-Avignon (Gard, France) 

      Favre-Brun, Aurélie; Luca, Livio De; Florenzano, M. (The Eurographics Association, 2011)
      The charterhouse of Villeneuve-lès-Avignon (Gard, France) was created by Pope Innocent VI in the XIVth century. Several times, it was transformed, like its church. Under the program 3D[Monuments] of the Ministry of Culture ...
    • From 3D Models to 3D Prints: An Overview of the Processing Pipeline 

      Livesu, Marco; Ellero, Stefano; Martínez, Jonàs; Lefebvre, Sylvain; Attene, Marco (The Eurographics Association and John Wiley & Sons Ltd., 2017)
      Due to the wide diffusion of 3D printing technologies, geometric algorithms for Additive Manufacturing are being invented at an impressive speed. Each single step along the processing pipeline that prepares the 3D model ...
    • From a Light CG Framework to a strong Cannibal Experience 

      Boers, Jerke; Dobbe, Jeroen; Huijser, Remco; Bidarra, Rafael (The Eurographics Association, 2008)
      Game development courses are being more and more deployed within computer graphics (CG) curricula. A fundamental element in the pedagogical effectiveness of such courses is the quality of the development framework provided ...
    • From A Medial Surface To A Mesh 

      Delamé, Thomas; Roudet, Céline; Faudot, Dominique (The Eurographics Association and Blackwell Publishing Ltd., 2012)
      Medial surfaces are well-known and interesting surface skeletons. As such, they can describe the topology and the geometry of a 3D closed object. The link between an object and its medial surface is also intuitively ...
    • From a User Study to a Valid Claim: How to Test Your Hypothesis and Avoid Common Pitfalls 

      Hoon, Niels H. L. C. de; Eisemann, Elmar; Vilanova, Anna (The Eurographics Association, 2017)
      The evaluation of visualization methods or designs often relies on user studies. Apart from the difficulties involved in the design of the study itself, the existing mechanisms to obtain sound conclusions are often unclear. ...
    • From Atoms to Cells: Interactive and Illustrative Visualization of Digitally Reproduced Lifeforms 

      Le Muzic, Mathieu (2016-11-30)
      Macromolecules, such as proteins, are the building blocks of the machinery of life, and therefore are essential to the comprehension of physiological processes. In physiology, illustrations and animations are often ...
    • From Capture to Immersive Viewing of 3D HDR Point Clouds 

      Loscos, Celine; Souchet, Philippe; Barrios, Théo; Valenzise, Giuseppe; Cozot, Rémi (The Eurographics Association, 2022)
      The collaborators of the ReVeRY project address the design of a specific grid of cameras, a cost-efficient system that acquires at once several viewpoints, possibly under several exposures and the converting of multiview, ...
    • From Color to Appearance in the Real World 

      Ellens, M.; Mueller, G.; Lamy, F. (The Eurographics Association, 2013)
      X-Rite's declared ambition is to create a digital ecosystem for appearance; a daunting challenge that has many dimensions and has not been accomplished so far. In this short paper we sketch a path from color to full ...
    • From Computer Geometry to Manufacturing Algorithms 

      Cohen, E. (The Eurographics Association, 2004)
      Abstractly, machining a shape is rather a simple task, that is, one is merely asked to subtractively metamorphose a superset of stock material into the ultimate shape of a given geometric model. In practice, however, there ...