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Indexing Method for Three-Dimensional Position Estimation

Iris FERMIN, Sudhanshu SEMWAL, Jun OHYA

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Summary :

Indexing techniques usually are used in model-based object recognition and ray tracing algorithms. In this paper we present a new method for estimating the three-dimensional position of a subject (resp. object) in a circumscribed space based on an indexing method. We construct two and three-dimensional indices of a space, which are used to estimate the three-dimensional position by an interpolation technique. There are two processes in estimating the three-dimensional position of a subject (resp. object): preprocessing and three-dimensional position estimation. We have implemented this idea using stereo camera, and tested by using two different sizes of a grid pattern. Promising results for preprocessing and 3D position estimation are presented. Moreover, we show that this approach can also be extended for multiple cameras.

Publication
IEICE TRANSACTIONS on Information Vol.E82-D No.12 pp.1597-1604
Publication Date
1999/12/25
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Image Processing,Computer Graphics and Pattern Recognition

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