基本信息:
- 专利标题： AUTHENTICATING USER BY CORRELATING SPEECH AND CORRESPONDING LIP SHAPE
- 专利标题（中）：通过相关语音和相关的LIP形状来认证用户
- 申请号：PCT/IN2013/000397 申请日：2013-06-27
- 公开(公告)号：WO2014207752A1 公开(公告)日：2014-12-31
- 发明人： RAMACHANDRULA, Sitaram , RAVISHANKAR, Hariharan
- 申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. , RAMACHANDRULA, Sitaram , RAVISHANKAR, Hariharan
- 申请人地址： 11445 Compaq Center Drive West Houston, Texas 77070 US
- 专利权人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.,RAMACHANDRULA, Sitaram,RAVISHANKAR, Hariharan
- 当前专利权人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.,RAMACHANDRULA, Sitaram,RAVISHANKAR, Hariharan
- 当前专利权人地址： 11445 Compaq Center Drive West Houston, Texas 77070 US
- 代理机构： ALANKI, N. V. Pradeep Kumar
- 主分类号： G06K9/00
- IPC分类号： G06K9/00
摘要：
Provided is a method of authenticating a user by correlating speech and corresponding lip shape. An audiovisual of a user requesting authentication is captured. The audiovisual is processed to generate a speech vector quantization sequence and a corresponding lip vector quantization sequence of the user. A likelihood of the speech vector quantization sequence and the corresponding lip vector quantization sequence with probability distributions of speech vector quantization code words corresponding to different lip shape vector quantization code words of the user requesting authentication weighed by probabilities of speech and lip vector quantization indices of the user requesting authentication is evaluated. If upon evaluation, a likelihood of the user requesting authentication being an authentic user is more than a predefined threshold, the user is authenticated.
摘要（中）：
提供了通过将语音和对应的唇形状相关联来认证用户的方法。 捕获请求认证的用户的视听。 视听被处理以产生用户的语音矢量量化序列和相应的唇矢量量化序列。 语音矢量量化序列的可能性和对应于用户请求认证的不同唇形矢量量化码字的语音矢量量化码字的概率分布的相应唇矢量量化序列被语音和嘴唇矢量量化索引的概率加权 评估用户请求认证。 如果在评估时，用户请求认证是可信用户的可能性大于预定阈值，则认证用户。
IPC结构图谱:
| G | 物理 |
| --G06 | 计算；推算；计数 |
| ----G06K | 数据识别；数据表示；记录载体；记录载体的处理 |
| ------G06K9/00 | 用于阅读或识别印刷或书写字符或者用于识别图形，例如，指纹的方法或装置 |