Image-based detail reconstruction of non-Lambertian surfaces

I-Chen Lin*, Wen Hsing Chang, Yung Sheng Lo, Jen Yu Peng, Chan Yu Lin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

This paper presents a novel optimization framework for estimating the static or dynamic surfaces with details. The proposed method uses dense depths from a structured-light system or sparse ones from motion capture as the initial positions, and exploits non-Lambertian reflectance models to approximate surface reflectance. Multi-stage shape-from-shading (SFS) is then applied to optimize both shape geometry and reflectance properties. Because this method uses non-Lambertian properties, it can compensate for triangulation reconstruction errors caused by view-dependent reflections. This approach can also estimate detailed undulations on textureless regions, and employs spatial-temporal constraints for reliably tracking time-varying surfaces. Experiment results demonstrate that accurate and detailed 3D surfaces can be reconstructed from images acquired by off-the-shelf devices.

Original languageEnglish
Pages (from-to)55-68
Number of pages14
JournalComputer Animation and Virtual Worlds
Volume21
Issue number1
DOIs
StatePublished - 1 Jan 2010

Keywords

  • Facial animation
  • Image-based 3D modeling
  • Motion capture
  • Non-Lambertian reflection
  • Shape-from-shading

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