Transactions of the Institute of Systems, Control and Information Engineers
Online ISSN : 2185-811X
Print ISSN : 1342-5668
An Extracting Method of Surface Orientation by Photometric Stereo Using Polarimetry
Toshio ITOShuntetsu MATSUMOTO
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1991 Volume 4 Issue 11 Pages 445-452

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Abstract

This paper is concerned with an extended photometric stereo method using polarimetry. The photometric stereo can be utilized for surfaces with non-uniform in its reflectance properties in case of the surfaces are Lambertian. Reflectance properties can be represented with two components : specular components and diffuse components. When the specular components of reflection are suppressed by polarimetry and only diffuse components exist, the surface of objects can be approximated to Lambertian.
This paper presents experimental results of reflectance properties under polarized light, and the extended photometric stereo for Lambertian surfaces. Surface orientation of objects with unknown and uneven reflectance properties can be extracted by this extended photometric stereo.

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