Now showing items 19-38 of 70

    • Gaze Analysis of BRDF Distortions 

      Filip, J.; Havran, V.; Myszkowski, K. (The Eurographics Association, 2016)
      BRDFs are currently used as a standard representation of material surface reflectance properties either in the from of tabulated measurements or a parametric model. However, the compression of tabulated representations as ...
    • A Genetic Algorithm Based Heterogeneous Subsurface Scattering Representation 

      Kurt, Murat (The Eurographics Association, 2020)
      In this paper, we present a novel heterogeneous subsurface scattering (sss) representation, which is based on a combination of Singular Value Decomposition (SVD) and genetic optimization techniques. To find the best ...
    • Geometric Accuracy Analysis of Stationary BTF Gonioreflectometers 

      Havran, V. (The Eurographics Association, 2015)
      The accurate BTF data representation requires specialized measurement gantries, some of them designed as gonireflectometers. These consist of an illumination source and a camera mounted on two robotic arms, one degree of ...
    • Grand Challenges: Material Models in the Automotive Industry 

      Schregle, R.; Denk, C.; Slusallek, P.; Glencross, M. (The Eurographics Association, 2013)
      Material reflectance definitions are core to high fidelity visual simulation of objects within a compelling 3D scene. In the automotive industry these are used across the entire business process: from conceptualisation of ...
    • High-Quality Multi-Spectral Reflectance Acquisition with X-Rite TAC7 

      Merzbach, Sebastian; Weinmann, Michael; Klein, Reinhard (The Eurographics Association, 2017)
      When relighting digitized objects, strong color deviations can arise depending on the illumination conditions if the object’s reflectance is only captured in RGB. To guarantee color-correct simulations, it is therefore of ...
    • ICL Multispectral Light Stage: Building a Versatile LED Sphere with Off-the-shelf Components 

      Kampouris, Christos; Ghosh, Abhijeet (The Eurographics Association, 2018)
      We describe the design and implementation of a versatile multispectral light stage (LED sphere) consisting of 168 RGB and color temperature controllable white (W+) lamps, respectively. The light stage is powered with two ...
    • Identifying Diffraction Effects in Measured Reflectances 

      Holzschuch, N.; Pacanowski, R. (The Eurographics Association, 2015)
      There are two different physical models connecting the micro-geometry of a surface and its physical reflectance properties (BRDF). The first, Cook-Torrance, assumes geometrical optics: light is reflected and masked by the ...
    • Image-based Fitting of Procedural Yarn Models 

      Saalfeld, Alina; Reibold, Florian; Dachsbacher, Carsten (The Eurographics Association, 2018)
      While common in real life, rendering fiber and cloth accurately is challenging. Recent fiber-based, procedural rendering approaches proved to be able to capture a great amount of details of real yarn. However, the current ...
    • Image-based Remapping of Material Appearance 

      Sztrajman, Alejandro; Krivánek, Jaroslav; Wilkie, Alexander; Weyrich, Tim (The Eurographics Association, 2017)
      Digital 3D content creation requires the ability to exchange assets across multiple software applications. For many 3D asset types, standard formats and interchange conventions are available. For material definitions, ...
    • Improving Spectral Upsampling with Fluorescence 

      König, Lars; Jung, Alisa; Dachsbacher, Carsten (The Eurographics Association, 2020)
      Modern photorealistic rendering simulates spectral behaviour of light. Since many assets are still created in different RGB color spaces, spectral upsampling of the RGB colors to a spectral representation is required to ...
    • In Praise of an Alternative BRDF Parametrization 

      Barla, P.; Belcour, L.; Pacanowski, R. (The Eurographics Association, 2015)
      In this paper, we extend the work of Neumann et al. [NNSK99] and Stark et al. [SAS05] to a pair of 4D BRDF parameterizations with explicit changes of variables. We detail their mathematical properties and relationships to ...
    • Interactive Appearance Design in the Presence of Optically Complex 

      Schroeder, K.; Zincke, A. (The Eurographics Association, 2013)
      In this position paper, we discuss the usability of different material representations for interactive appearance design in the context of visual prototyping. We emphasize the importance of methods explicitly considering ...
    • Interactive Appearance Prediction for Cloudy Beverages 

      Dal Corso, Alessandro; Frisvad, Jeppe Revall; Kjeldsen, Thomas Kim; Bærentzen, Jakob Andreas (The Eurographics Association, 2016)
      Juice appearance is important to consumers, so digital juice with a slider that varies a production parameter or changes juice content is useful. It is however challenging to render juice with scattering particles quickly ...
    • Intuitive Editing of Visual Appearance from Real-World Datasets 

      Marco, Julio; Serrano, Ana; Jarabo, Adrian; Masia, Belen; Gutierrez, Diego (The Eurographics Association, 2017)
      Computer-generated imagery is ubiquitous, spanning fields such as games and movies, architecture, engineering, or virtual prototyping, while also helping create novel ones such as computational materials. With the increase ...
    • Iso Photographic Rendering 

      Porral, Philippe; Lucas, Laurent; Muller, Thomas; Randrianandrasana, Joël (The Eurographics Association, 2018)
      In the field of computer graphics, the simulation of the visual appearance of materials requires an accurate computation of the light transport equation. Consequently, material models need to take into account various ...
    • Isotropic BRDF Measurements with Quantified Uncertainties 

      Hegedus, R.; Lucat, A.; Redon, J.; Pacanowski, R. (The Eurographics Association, 2016)
      Image-based BRDF measurements on spherical material samples present a great opportunity to shorten significantly the acquisition time with respect to more traditional, non-multiplexed measurement methods for isotropic ...
    • Linear Models for Material BTFs and Possible Applications 

      Brok, D. den; Weinmann, M.; Klein, R. (The Eurographics Association, 2015)
      Due to the richness of real-world materials, arguably one of the biggest challenges in rendering is to come up with models that describe their appearance well. The image-based bidirectional texture function (BTF) is known ...
    • Linear Transport Theory and Applications to Rendering 

      Jakob, Wenzel (The Eurographics Association, 2014)
      In this talk, I will give an overview of one-dimensional Linear Transport Theory, which concerns itself with the study of random scattering and absorption processes and the inference of large-scale behavior from simple ...
    • MAM - Eurographics 2020 Workshop on Material Appearance Modeling: Frontmatter 

      Klein, Reinhard; Rushmeier, Holly (The Eurographics Association, 2020)
    • MAM 2016: Frontmatter 

      Reinhard Klein; Holly Rushmeier (Eurographics Association, 2016)