Browsing 42-Issue 4 by Subject "Computing methodologies"

Now showing items 1-12 of 12

    • Accelerating Hair Rendering by Learning High-Order Scattered Radiance 

      KT, Aakash; Jarabo, Adrian; Aliaga, Carlos; Chiang, Matt Jen-Yuan; Maury, Olivier; Hery, Christophe; Narayanan, P. J.; Nam, Giljoo (The Eurographics Association and John Wiley & Sons Ltd., 2023)
      Efficiently and accurately rendering hair accounting for multiple scattering is a challenging open problem. Path tracing in hair takes long to converge while other techniques are either too approximate while still being ...

    • A Hyperspectral Space of Skin Tones for Inverse Rendering of Biophysical Skin Properties 

      Aliaga, Carlos; Xia, Mengqi; Xie, Hao; Jarabo, Adrian; Braun, Gustav; Hery, Christophe (The Eurographics Association and John Wiley & Sons Ltd., 2023)
      We present a method for estimating the main properties of human skin, leveraging a hyperspectral dataset of skin tones synthetically generated through a biophysical layered skin model and Monte Carlo light transport ...

    • Interactive Control over Temporal Consistency while Stylizing Video Streams 

      Shekhar, Sumit; Reimann, Max; Hilscher, Moritz; Semmo, Amir; Döllner, Jürgen; Trapp, Matthias (The Eurographics Association and John Wiley & Sons Ltd., 2023)
      Image stylization has seen significant advancement and widespread interest over the years, leading to the development of a multitude of techniques. Extending these stylization techniques, such as Neural Style Transfer ...

    • Iridescent Water Droplets Beyond Mie Scattering 

      Xia, Mengqi (Mandy); Walter, Bruce; Marschner, Steve (The Eurographics Association and John Wiley & Sons Ltd., 2023)
      Looking at a cup of hot tea, an observer can see color patterns and granular textures both on the water surface and in the steam. Motivated by this example, we model the appearance of iridescent water droplets. Mie scattering ...

    • LoCoPalettes: Local Control for Palette-based Image Editing 

      Chao, Cheng-Kang Ted; Klein, Jason; Tan, Jianchao; Echevarria, Jose; Gingold, Yotam (The Eurographics Association and John Wiley & Sons Ltd., 2023)
      Palette-based image editing takes advantage of the fact that color palettes are intuitive abstractions of images. They allow users to make global edits to an image by adjusting a small set of colors. Many algorithms have ...

    • Markov Chain Mixture Models for Real-Time Direct Illumination 

      Dittebrandt, Addis; Schüßler, Vincent; Hanika, Johannes; Herholz, Sebastian; Dachsbacher, Carsten (The Eurographics Association and John Wiley & Sons Ltd., 2023)
      We present a novel technique to efficiently render complex direct illumination in real-time. It is based on a spatio-temporal randomized mixture model of von Mises-Fisher (vMF) distributions in screen space. For every pixel ...

    • NEnv: Neural Environment Maps for Global Illumination 

      Rodriguez-Pardo, Carlos; Fabre, Javier; Garces, Elena; Lopez-Moreno, Jorge (The Eurographics Association and John Wiley & Sons Ltd., 2023)
      Environment maps are commonly used to represent and compute far-field illumination in virtual scenes. However, they are expensive to evaluate and sample from, limiting their applicability to real-time rendering. Previous ...

    • Neural Free-Viewpoint Relighting for Glossy Indirect Illumination 

      Raghavan, Nithin; Xiao, Yan; Lin, Kai-En; Sun, Tiancheng; Bi, Sai; Xu, Zexiang; Li, Tzu-Mao; Ramamoorthi, Ravi (The Eurographics Association and John Wiley & Sons Ltd., 2023)
      Precomputed Radiance Transfer (PRT) remains an attractive solution for real-time rendering of complex light transport effects such as glossy global illumination. After precomputation, we can relight the scene with new ...

    • Practical Acquisition of Shape and Plausible Appearance of Reflective and Translucent Objects 

      Lin, Arvin; Lin, Yiming; Ghosh, Abhijeet (The Eurographics Association and John Wiley & Sons Ltd., 2023)
      We present a practical method for acquisition of shape and plausible appearance of reflective and translucent objects for realistic rendering and relighting applications. Such objects are extremely challenging to scan with ...

    • A Practical and Hierarchical Yarn-based Shading Model for Cloth 

      Zhu, Junqiu; Montazeri, Zahra; Aubry, Jean-Marie; Yan, Ling-Qi; Weidlich, Andrea (The Eurographics Association and John Wiley & Sons Ltd., 2023)
      Realistic cloth rendering is a longstanding challenge in computer graphics due to the intricate geometry and hierarchical structure of cloth: Fibers form plies which in turn are combined into yarns which then are woven or ...

    • PVP: Personalized Video Prior for Editable Dynamic Portraits using StyleGAN 

      Lin, Kai-En; Trevithick, Alex; Cheng, Keli; Sarkis, Michel; Ghafoorian, Mohsen; Bi, Ning; Reitmayr, Gerhard; Ramamoorthi, Ravi (The Eurographics Association and John Wiley & Sons Ltd., 2023)
      Portrait synthesis creates realistic digital avatars which enable users to interact with others in a compelling way. Recent advances in StyleGAN and its extensions have shown promising results in synthesizing photorealistic ...

    • Ray-aligned Occupancy Map Array for Fast Approximate Ray Tracing 

      Zeng, Zheng; Xu, Zilin; Wang, Lu; Wu, Lifan; Yan, Ling-Qi (The Eurographics Association and John Wiley & Sons Ltd., 2023)
      We present a new software ray tracing solution that efficiently computes visibilities in dynamic scenes. We first introduce a novel scene representation: ray-aligned occupancy map array (ROMA) that is generated by rasterizing ...