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Journal of Mathematical Imaging and Vision

, Volume 24, Issue 1, pp 143–162 | Cite as

Design Issues for a Colour Photometric Stereo System

  • Svetlana Barsky
  • Maria Petrou
Article

Abstract

This paper presents the detailed performance analysis for a colour photometric stereo system proposed recently. The system recovers surface colour and surface normal for each surface patch separately, in the presence of highlights and shadows. The error analysis presented concerns every step of the algorithm, and it is based on the assumptions that errors may arise due to Gaussian image noise and errors in the accuracy with which the geometry of the illuminating set-up is known. The analysis is confirmed by experiments. The implications of this sensitivity analysis to the design of such a rig and the choice of threshold values for the algorithm are also discussed and recommendations to a designer are given.

Keywords

photometric stereo rig design illumination dependence colour error analysis noise sensitivity 

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Copyright information

© Springer Science + Business Media, Inc. 2005

Authors and Affiliations

  • Svetlana Barsky
    • 1
  • Maria Petrou
    • 1
  1. 1.School of Electronics and Physical SciencesUniversity of SurreyGuildfordUK

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