Identifying customer behaviour and dwell time using soft biometrics
Denman, Simon, Bialkowski, Alina, Fookes, Clinton B., Sridharan, Sridha, Xiang , T., & Gong, S. (2012) Identifying customer behaviour and dwell time using soft biometrics. In Shan, C., Porikli , F., Xiang , T., & Gong, S. (Eds.) Video Analytics for Business Intelligence [Studies in Computational Intelligence, Volume 409]. Springer, Germany, pp. 199-238.
In a commercial environment, it is advantageous to know how long it takes customers to move between different regions, how long they spend in each region, and where they are likely to go as they move from one location to another. Presently, these measures can only be determined manually, or through the use of hardware tags (i.e. RFID). Soft biometrics are characteristics that can be used to describe, but not uniquely identify an individual. They include traits such as height, weight, gender, hair, skin and clothing colour. Unlike traditional biometrics, soft biometrics can be acquired by surveillance cameras at range without any user cooperation. While these traits cannot provide robust authentication, they can be used to provide identification at long range, and aid in object tracking and detection in disjoint camera networks. In this chapter we propose using colour, height and luggage soft biometrics to determine operational statistics relating to how people move through a space. A novel average soft biometric is used to locate people who look distinct, and these people are then detected at various locations within a disjoint camera network to gradually obtain operational statistics
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