Oil-Line Writer Recognition for Thai Based on Impulse Response of FIR System Characterizing Handwriting Motion

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概要

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• We propose an on-line writer recognition method for Thai based on impulse response of FIR system characterizing handwriting motion. In this paper, the handwriting motion can be described by the velocity and trajectory of barycenter of pen-point movement in handwriting process. The barycenter is determined from the center point of script and two adjacent pen-point positions with respect to time in handwriting process. Then the handwriting motion is characterized by using the Fourier coefficients of the velocity and trajectory of the barycenter as the input and output of FIR (finite impulse response) system, respectively. In this case, the impulse response of the FIR system is interpreted as the feature of handwriting motion. Furthermore, the K-L expansion of the impulse response is used for writer recognition. Writer recognition experiments are performed on database consisting of 6,642 Thai scripts written by 81 writers. As the result, Type I (false rejection) and Type II (false acceptance) error rates were 1.50% and 0.65%, respectively.

• 東海大学の論文

著者

• Matsuura Takenobu

  Department Of Communications Engineering

• THUMWARIN Pitak

  Course of Electrical Engineering, Tokai University

• Thumwarin Pitak

  Course Of Electrical Engineering Tokai University

関連論文

• On Stochastic System Representation of Handwriting Process and Its Application to Writer Recognition
• A Seal Imprint Verification Method with Rotation Invariance(ABSTRACTS OF PROCEEDINGS OF THE SCHOOL OF INFORMATION TECHNOLOGY AND ELECTRONICS SERIES J TOKAI UNIVERISYT : 2002-2003)
• Signature Verification by FIR Filter
• A Method for Solving Stochastic Differential Equation with Random Coefficients
• タイ数字の筆記速度と重心の軌跡に着目したオンライン筆者認識(通信(コミュニケーション)工学特集)
• On-Line Signature Verification Based on Angular Direction of Pen-point Movement
• Oil-Line Writer Recognition for Thai Based on Impulse Response of FIR System Characterizing Handwriting Motion
• Writer Identification Based on the Impulse Response of Writing Motion System
• On-Line Writer Recognition for Thai Numeral Based on Barycenter Trajectory and Handwriting Velocity(PROCEEDINGS OF THE SCHOOL OF INFORMATION TECHNOLOGY AND ELECTRONICS OF TOKAI UNIVERSITY)
• Analysis and Identification of Mean Square Periodic Stochastic Systems

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