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一种基于多分辨率神经网络的目标跟踪方法及系统

成果领域:

推广方式:

成果归属企业: 深圳大学

成果鉴定时间:

成果介绍

本发明涉及信息处理技术，其公开了一种基于声音信号识别键盘敲击内容的方法及系统。该方法通过利用声音信号采集装置搜集击键产生的声音信号，并对声音信号进行预处理，以达到进行单键及组合键的识别目的。所述方法包含的主要步骤主要包括：使用声音搜集装置以特定的布局在桌面搜集敲击键盘的声音信号，通过采用巴特沃斯等方法对收到的声音信号进行去噪；计算出每次击键的短时能量值并做归一化处理，将数值作为一个特征；计算两个麦克风采取收到的时间差作为另一个特征并与上一个特征进行融合；利用分类算法将特征进行分类，从而能够识别出单键敲击或组合键的敲击。

成果应用案例介绍

信息通信>信号>语音信号; 测量实验>检测方法>检测; 电子电器>键盘>键盘

联系方式

电话/微信: 13822630888

相关成果

免责声明 / 网站地图 / 平台简介 / 友情链接

邮箱：zeccea@qq.com QQ群：318441538 客服电话：0758-2721389 秘书处电话/微信：13822630888

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[ CACHE ] INIT File
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