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A High-Accuracy Passive 3D Measurement System Using Phase-Based Image Matching
Mohammad Abdul MUQUIT Takuma SHIBAHARA Takafumi AOKI
Publication
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Vol.E89-A
No.3
pp.686-697 Publication Date: 2006/03/01 Online ISSN: 1745-1337
DOI: 10.1093/ietfec/e89-a.3.686 Print ISSN: 0916-8508 Type of Manuscript: Special Section PAPER (Special Section on Multidimensional Signal Processing and Its Application) Category: Image/Vision Processing Keyword: 3D measurement, stereo vision, phase-based image matching, phase-only correlation, outlier detection,
Full Text: PDF(1.7MB)>>
Summary:
This paper presents a high-accuracy 3D (three-dimen-sional) measurement system using multi-camera passive stereo vision to reconstruct 3D surfaces of free form objects. The proposed system is based on an efficient stereo correspondence technique, which consists of (i) coarse-to-fine correspondence search, and (ii) outlier detection and correction, both employing phase-based image matching. The proposed sub-pixel correspondence search technique contributes to dense reconstruction of arbitrary-shaped 3D surfaces with high accuracy. The outlier detection and correction technique contributes to high reliability of reconstructed 3D points. Through a set of experiments, we show that the proposed system measures 3D surfaces of objects with sub-mm accuracy. Also, we demonstrate high-quality dense 3D reconstruction of a human face as a typical example of free form objects. The result suggests a potential possibility of our approach to be used in many computer vision applications.
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