Single-Shot Photometric Stereo by Spectral Multiplexing
ICCP 2011
Graham Fyffe    Xueming Yu    Paul Debevec   
USC Institute for Creative Technologies


We propose a novel method for single-shot photometric stereo by spectral multiplexing. The output of our method is a simultaneous per-pixel estimate of the surface normal and full-color reflectance. Our method is well suited to materials with varying color and texture, requires no time-varying illumination, and no high-speed cameras. Being a single-shot method, it may be applied to dynamic scenes without any need for optical flow. Our key contributions are a generalization of three-color photometric stereo to more than three color channels, and the design of a practical six-color-channel system using off-the-shelf parts.


ICCP 2011 Paper
Multispectral_ICCP_2011.pdf, (8.82MB)

ICCP 2011 Movie, (24.2MB)

ICCP 2011 Recording Presentation

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