A Proposal for a Text-Indicated Writer Verification Method

概要

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We propose an on-line writer verification method to improve the reliability of verifying a specific system user. Most of the recent research focus on signature verification especially in the field of on-line writer verification. However, signature verification has a serious problem in that it will accept forged handwriting. To overcome this problem, we have introduced a text-indicated writer verification method. In this method, a different text including ordinary characters is used on every occasion of verification: This text can be selected automatically by the verification system so as to reflect the specific writer's personal features. A specific writer is accepted only when the same text as indicated by the verification system is inputted, and the system can verify the writer's personal features from the inputted text. Moreover, the characters used in the verification process can be different from those in the enrolment process. This method makes it more difficult to get away with forged handwriting than the previous methods using only signatures. We also discuss the reliability of the proposed method with some simulation results using handwriting data. From these simulation results, it is clear that this method keeps high reliability without the use of signatures.
社団法人電子情報通信学会の論文
1997-11-25