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Keystroke Timing Analysis for Individual Identification in Japanese Free Text Typing
Toshiharu Samura,Haruhiko Nishimura 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
We developed Web-based typing software in order to collect keystroke data on a LAN, and in vestigated several characteristics of keystroke dynamics in Japanese free text typing. We performed experiments on 112 subjects, representing three groups according to the number of letters they could type in five minutes. In this experiment, we extracted the feature indices from the keystroke timing for each single letter and for two-letter combinations composed of consonant and vowel pairsin Japanese text. Based on an identification method using a weighted Euclid distance, personal identification for the three groups was evaluated and its high performance was confirmed in proportion to the typing level of the group.