从电阻触摸屏获取动态签名多维空间数据及预处理  

Access to obtain multi-dimensional spatial data of dynamic signature and pretreatment from resistance touch screen

作　　者：王党利[1] 马宝吉[1] 宁生科[1] 

机构地区：[1]西安工业大学工业中心,西安710021

出　　处：《电子测量技术》2010年第3期35-38,共4页Electronic Measurement Technology

摘　　要：利用笔触点压力和运动学模型扩展电阻式触摸屏应用范围.给出了电阻式触摸屏三维数据测量公式和运动学模型,依据笔移动二维坐标,计算出笔点速度、角度和加速度空间数据,有利于动态签名后续处理更多特性提取。算法包括笔事件的判断,随机误差的消除,断点的数据插补,软件流程图。该方法扩展了电阻触摸屏提供的数据类型,可满足动态签名空间数据的需求。The purpose of this paper is to expand resistive touch screen applications scope with pen-point pressure and kinematics model.resistive touch screen three-dimensional data measurement formulas and kinematics model are given,calculated pen＇s spatial data including velocity,angle and acceleration by using pen mobile coordinates,more dynamic signature features are extracted from these data in follow handle,algorithms include the judge of pen events,the elimination of random errors,breakpoint data interpolation,and software flow chart.The method extends the data type provided by resistive touch screen,meeting spatial data needs of dynamic signature.

关 键 词：电阻触摸屏 动态签名 空间数据 速度 加速度 预处理 

分 类 号：TP212.9[自动化与计算机技术—检测技术与自动化装置]