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Journal of Signal Processing
Vol. 19 (2015) No. 4 Special Issue on Papers Awarded the Student Paper Award at NCSP'15 (Editor-in-Chief: Keikichi Hirose, Editor: Yoshikazu Miyanaga, Guest Editor: Takuji Kousaka, Honorary Editor-in-Chief: Takashi Yahagi) p. 151-154

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http://doi.org/10.2299/jsp.19.151


We propose an automatic alignment system in simple planes for projection mapping (PM). PM has been used widely and applied in many fields such as the medical, entertainment, and industrial fields. However, there are many problems such as the equipment of PM being too expensive and large. Additionally, we must align the projected images and the target manually in the final step of the mapping procedure. In this study, to solve these problems, we build a compact mobile PM system with automatic alignment. As reported in this paper, we construct the automatic alignment system for simple planes using an inexpensive camera, laptop computer, and mobile projector as the first step towards the mobile PM system. In experiments, we use a plane with a color frame and a nonframe plane (picture-story show) as the simple planes. Using color feature and local feature amounts such as Scale-Invariant Feature Transform (SIFT), Speeded Up Robust Features (SURF), and Oriented FAST and Rotated BRIEF (ORB), we estimate the corners of the plane and project an image to planes automatically. Finally, we evaluate the error calculated by the proposed system.

Copyright © 2015 Research Institute of Signal Processing, Japan

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