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正交拉普拉斯语种识别方法

杨绪魁 屈丹 张文林

杨绪魁, 屈丹, 张文林. 正交拉普拉斯语种识别方法. 自动化学报, 2014, 40(8): 1812-1818. doi: 10.3724/SP.J.1004.2014.01812
引用本文: 杨绪魁, 屈丹, 张文林. 正交拉普拉斯语种识别方法. 自动化学报, 2014, 40(8): 1812-1818. doi: 10.3724/SP.J.1004.2014.01812
YANG Xu-Kui, QU Dan, ZHANG Wen-Lin. An Orthogonal Laplacian Language Recognition Approach. ACTA AUTOMATICA SINICA, 2014, 40(8): 1812-1818. doi: 10.3724/SP.J.1004.2014.01812
Citation: YANG Xu-Kui, QU Dan, ZHANG Wen-Lin. An Orthogonal Laplacian Language Recognition Approach. ACTA AUTOMATICA SINICA, 2014, 40(8): 1812-1818. doi: 10.3724/SP.J.1004.2014.01812

正交拉普拉斯语种识别方法

doi: 10.3724/SP.J.1004.2014.01812
基金项目: 

国家高技术研究发展计划(863计划)(2012AA011603),国家自然科学基金(61175017),全军军事学研究生课题(2010JY0258-144)资助

详细信息
    作者简介:

    屈丹 中国人民解放军信息工程大学信息系统工程学院副教授,2005 年获解放军信息工程大学博士学位. 主要研究方向为语音信号处理与模式识别.E-mail:qudanqudan@sina.com

    通讯作者:

    杨绪魁 中国人民解放军信息工程大学信息系统工程学院硕士研究生. 主要研究方向为语种识别,连续语音识别和机器学习.E-mail:gzyangxk@163.com

An Orthogonal Laplacian Language Recognition Approach

Funds: 

Supported by National High Technology Research and Development Program of China (863 Program) (2012AA011603), National Natural Science Foundation of China (61175017), Research of The Military Science Graduate of PLA (2010JY0258-144)

  • 摘要: 提出了一种正交拉普拉斯语种识别方法,即在提取语音的i-vector后,采用正交局部保持投影进行子空间映射,将信号整体空间映射到语言信息加信道信息子空间,然后对映射后的矢量进行信道补偿处理,最后用支持向量机进行识别. 尽管i-vector最大限度地保留了语音的声学信息,但是并没有发现这些信息之间的内在结构. 利用正交局部保持投影在去除声学无关信息的基础上,进一步发现声学特征的内在结构,能够有效地提高特征的区分性. 在对NIST LRE 2003测试数据库实验后,发现新方法相较于基线系统来说,平均代价降低了28.91%.
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出版历程
  • 收稿日期:  2013-03-12
  • 修回日期:  2013-08-28
  • 刊出日期:  2014-08-20

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