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Sensing and Actuation: A Case for Multidisciplinary Engineering Education Read chapter Read first chapter

2019 | OriginalPaper | Chapter

Calibrating TOF Sensor by Fusing Normal Maps

Authors : Hanyu Ni, Yiguang Liu, Zhenyu Xu, Jianyu Heng, Ling Jin

Published in: The Proceedings of the International Conference on Sensing and Imaging

Publisher: Springer International Publishing

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Abstract

The time-of-flight (TOF) sensor can capture 3D surfaces very fast. However, it suffers from noises and low resolution, which limits its applications. To improve the resolution of TOF sensor, this paper proposes a novel method to fuse depth images and normal maps with complementary information. Different from traditional methods, which typically use photometric stereo (PS) to obtain normal maps, in our method, one extra light source is added to obtain normal maps via the Kinect sensor. Optimal depth images are then obtained by bilateral filter. Experimental results show that our method can produce more accurate depth images with smoother-looking object surfaces.

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Metadata
Title
Calibrating TOF Sensor by Fusing Normal Maps
Authors
Hanyu Ni
Yiguang Liu
Zhenyu Xu
Jianyu Heng
Ling Jin
Copyright Year
2019
Book
The Proceedings of the International Conference on Sensing and Imaging

Print ISBN: 978-3-319-91658-3

Electronic ISBN: 978-3-319-91659-0

Copyright Year: 2019

DOI
https://doi.org/10.1007/978-3-319-91659-0_11