Efficient dynamic time warping for 3D handwriting recognition using gyroscope equipped smartphones

被引：16

作者：

Kim, Dae-Won ^{[1
]}

Lee, Jaesung ^{[1
]}

Lim, Hyunki ^{[1
]}

Seo, Jeongbong ^{[1
]}

Kang, Bo-Yeong ^{[2
]}

机构：

[1] Chung Ang Univ, Sch Comp Sci & Engn, Seoul 156756, South Korea

[2] Kyungpook Natl Univ, Sch Mech Engn, Taegu, South Korea

来源：

EXPERT SYSTEMS WITH APPLICATIONS | 2014年 / 41卷 / 11期

基金：

新加坡国家研究基金会;

关键词：

3D handwriting recognition; Dynamic time warping; Gyroscope; Accelerometer;

D O I：

10.1016/j.eswa.2014.03.011

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

Handwriting character recognition from three-dimensional (3D) accelerometer data has emerged as a popular technique for natural human computer interaction. In this paper, we propose a 3D gyroscope-based handwriting recognition system that uses stepwise lower-bounded dynamic time warping, instead of conventional 3D accelerometer data. The results of experiments conducted indicate that our proposed method is more effective and efficient than conventional methods for user-independent recognition of the 26 lowercase letters in the English alphabet. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：5180 / 5189

页数：10

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