28 March 2005 A face recognition embedded system
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This paper presents an experimental study of the implementation of a face recognition system in embedded systems. To investigate the feasibility and practicality of real time face recognition on such systems, a door access control system based on face recognition is built. Due to the limited computation power of embedded device, a semi-automatic scheme for face detection and eye location is proposed to solve these computationally hard problems. It is found that to achieve real time performance, optimization of the core face recognition module is needed. As a result, extensive profiling is done to pinpoint the execution hotspots in the system and optimization are carried out. After careful precision analysis, all slow floating point calculations are replaced with their fixed-point versions. Experimental results show that real time performance can be achieved without significant loss in recognition accuracy.
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Kwok Ho Pun, Kwok Ho Pun, Yiu Sang Moon, Yiu Sang Moon, Chi Chiu Tsang, Chi Chiu Tsang, Chun Tak Chow, Chun Tak Chow, Siu Man Chan, Siu Man Chan, } "A face recognition embedded system", Proc. SPIE 5779, Biometric Technology for Human Identification II, (28 March 2005); doi: 10.1117/12.603566; https://doi.org/10.1117/12.603566


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