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Sensors 2013, 13(10), 12804-12829;

3D Multi-Spectrum Sensor System with Face Recognition

Department of Electrical and Electronic Engineering, Yonsei University, 134 Shinchon-dong, Seodaemun-gu, Seoul 120-749, Korea
Department of Broadcasting and Film, Cheju Halla University, 38, Halladaehak-ro, Jeju-si, Jeju-do 690-708, Korea
Imaging Media Research Center, Korea Institute of Science and Technology, Hwarang-ro 14-gil 5, Seongbuk-gu, Seoul 136-791, Korea
Author to whom correspondence should be addressed.
Received: 20 August 2013 / Revised: 16 September 2013 / Accepted: 17 September 2013 / Published: 25 September 2013
(This article belongs to the Section Physical Sensors)
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This paper presents a novel three-dimensional (3D) multi-spectrum sensor system, which combines a 3D depth sensor and multiple optical sensors for different wavelengths. Various image sensors, such as visible, infrared (IR) and 3D sensors, have been introduced into the commercial market. Since each sensor has its own advantages under various environmental conditions, the performance of an application depends highly on selecting the correct sensor or combination of sensors. In this paper, a sensor system, which we will refer to as a 3D multi-spectrum sensor system, which comprises three types of sensors, visible, thermal-IR and time-of-flight (ToF), is proposed. Since the proposed system integrates information from each sensor into one calibrated framework, the optimal sensor combination for an application can be easily selected, taking into account all combinations of sensors information. To demonstrate the effectiveness of the proposed system, a face recognition system with light and pose variation is designed. With the proposed sensor system, the optimal sensor combination, which provides new effectively fused features for a face recognition system, is obtained. View Full-Text
Keywords: image sensor; depth sensor; sensor fusion; face recognition image sensor; depth sensor; sensor fusion; face recognition

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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Kim, J.; Yu, S.; Kim, I.-J.; Lee, S. 3D Multi-Spectrum Sensor System with Face Recognition. Sensors 2013, 13, 12804-12829.

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