Title :
Comparative Analysis and Fusion of Spatiotemporal Information for Footstep Recognition
Author :
Vera-Rodriguez, Ruben ; Mason, J.S.D. ; Fierrez, Julian ; Ortega-Garcia, Javier
Author_Institution :
Biometric Recognition Group-ATVS, Univ. Autonoma de Madrid, Madrid, Spain
Abstract :
Footstep recognition is a relatively new biometric which aims to discriminate people using walking characteristics extracted from floor-based sensors. This paper reports for the first time a comparative assessment of the spatiotemporal information contained in the footstep signals for person recognition. Experiments are carried out on the largest footstep database collected to date, with almost 20,000 valid footstep signals and more than 120 people. Results show very similar performance for both spatial and temporal approaches (5 to 15 percent EER depending on the experimental setup), and a significant improvement is achieved for their fusion (2.5 to 10 percent EER). The assessment protocol is focused on the influence of the quantity of data used in the reference models, which serves to simulate conditions of different potential applications such as smart homes or security access scenarios.
Keywords :
biometrics (access control); image fusion; image recognition; spatiotemporal phenomena; biometric; comparative analysis; floor-based sensors; footstep recognition; footstep signals; person recognition; spatiotemporal information fusion; walking characteristics; Databases; Feature extraction; Intelligent sensors; Legged locomotion; Sensor fusion; Sensor phenomena and characterization; Biometrics; footstep recognition; gait recognition; pattern recognition; pressure analysis; Biomechanics; Biometric Identification; Foot; Gait; Humans; Models, Biological; Pressure; Signal Processing, Computer-Assisted; Video Recording; Walking;
Journal_Title :
Pattern Analysis and Machine Intelligence, IEEE Transactions on
DOI :
10.1109/TPAMI.2012.164