“Multi-flash 3D photography: capturing shape and appearance” by Lanman, Sibley, Crispell, Zhao and Taubin

  • ©Douglas Lanman, Peter G. Sibley, Daniel Crispell, Yong Zhao, and Gabriel Taubin

  • ©Douglas Lanman, Peter G. Sibley, Daniel Crispell, Yong Zhao, and Gabriel Taubin




    Multi-flash 3D photography: capturing shape and appearance



    We describe a new 3D scanning system which exploits the depth discontinuity information captured by the multi-flash camera proposed by [Raskar et al. 2004]. In contrast to existing differential and global shape-from-silhouette algorithms, our method can re-construct the position and orientation of points located deep inside concavities. Points which do not produce an observable depth dis- continuity, however, cannot be reconstructed. We apply Sibley’s method for fitting an implicit surface to fill the resulting sampling gaps [Crispell et al. 2006]. Extending this prior work, we model the appearance of each surface point by fitting a Phong reflectance model to the BRDF samples using the visibility information provided by the implicit surface.  


    1. Crispell, D., Lanman, D., Sibley, P. G., Zhao, Y., and Taubin, G. 2006. Beyond silhouettes: Surface reconstruction using multi-flash photography. In Third International Symposium on 3D Data Processing, Visualization and Transmission.
    2. Raskar, R., Tan, K.-H., Feris, R., Yu, J., and Turk, M. 2004. Non-photorealistic camera: Depth edge detection and stylized rendering using multi-flash imaging. ACM Trans. Graph. 23, 3, 679–688.
    3. Sadlo, F., Weyrich, T., Peikert, R., and Gross, M. 2005. A practical structured light acquisition system for point-based geometry and texture. In Eurographics Symposium on Point-Based Graphics, 89–98.

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