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Sensors 2013, 13(10), 12804-12829; doi:10.3390/s131012804
Article

3D Multi-Spectrum Sensor System with Face Recognition

1
, 2
, 3
 and 1,*
Received: 20 August 2013; in revised form: 16 September 2013 / Accepted: 17 September 2013 / Published: 25 September 2013
(This article belongs to the Section Physical Sensors)
Abstract: 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.
Keywords: image sensor; depth sensor; sensor fusion; face recognition image sensor; depth sensor; sensor fusion; face recognition
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

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

AMA Style

Kim J, Yu S, Kim I-J, Lee S. 3D Multi-Spectrum Sensor System with Face Recognition. Sensors. 2013; 13(10):12804-12829.

Chicago/Turabian Style

Kim, Joongrock; Yu, Sunjin; Kim, Ig-Jae; Lee, Sangyoun. 2013. "3D Multi-Spectrum Sensor System with Face Recognition." Sensors 13, no. 10: 12804-12829.


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