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Rendering deformable surface reflectance fields.

Tim Weyrich1, Hanspeter Pfister, Markus Gross

  • 1Computer Graphics Laboratory, ETH Zentrum, 8092 Zurich, Switzerland. weyrich@inf.ethz.ch

IEEE Transactions on Visualization and Computer Graphics
|January 6, 2005
PubMed
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This study introduces a novel method for animating deformable 3D objects using surface reflectance fields. The technique enables realistic rendering of real-world objects under changing lighting conditions.

Area of Science:

  • Computer Graphics
  • Image-Based Modeling
  • Computer Vision

Background:

  • Photorealistic animation is crucial for various applications.
  • Image-based modeling captures real-world objects effectively.
  • Animating image-based models, especially deformable ones, remains challenging.

Purpose of the Study:

  • To extend surface reflectance fields for animating deformable real-world objects.
  • To enable rendering under arbitrary illumination conditions.
  • To address limitations in current image-based animation techniques.

Main Methods:

  • Modified underlying impostor geometry of the surface reflectance field.
  • Augmented impostors with local parameterization for accurate reflectance evaluation.

Related Experiment Videos

  • Implemented a deferred shading scheme for efficient data handling.

    • Main Results:

    • Successfully animated and rendered deformable real-world objects.
    • Preserved original light models on deformed surfaces.
    • Demonstrated animations of objects captured using 3D photography.

    Conclusions:

    • The proposed method effectively animates deformable image-based models.
    • It allows for realistic rendering under varying illumination.
    • This advances the field of image-based animation for real-world objects.