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A factorization-based approach to photometric stereo

✍ Scribed by Carme Julià; Felipe Lumbreras; Angel D. Sappa

Book ID
102278641
Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
281 KB
Volume
21
Category
Article
ISSN
0899-9457

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✦ Synopsis

Abstract

This article presents an adaptation of a factorization technique to tackle the photometric stereo problem. That is to recover the surface normals and reflectance of an object from a set of images obtained under different lighting conditions. The main contribution of the proposed approach is to consider pixels in shadow and saturated regions as missing data, in order to reduce their influence to the result. Concretely, an adapted Alternation technique is used to deal with missing data. Experimental results considering both synthetic and real images show the viability of the proposed factorization‐based strategy. © 2011 Wiley Periodicals, Inc. Int J Imaging Syst Technol, 21, 115–119, 2011.

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