- 1、本文档共17页,可阅读全部内容。
- 2、有哪些信誉好的足球投注网站(book118)网站文档一经付费(服务费),不意味着购买了该文档的版权,仅供个人/单位学习、研究之用,不得用于商业用途,未经授权,严禁复制、发行、汇编、翻译或者网络传播等,侵权必究。
- 3、本站所有内容均由合作方或网友上传,本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺!文档内容仅供研究参考,付费前请自行鉴别。如您付费,意味着您自己接受本站规则且自行承担风险,本站不退款、不进行额外附加服务;查看《如何避免下载的几个坑》。如果您已付费下载过本站文档,您可以点击 这里二次下载。
- 4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等,请点击“版权申诉”(推荐),也可以打举报电话:400-050-0827(电话支持时间:9:00-18:30)。
查看更多
基于听感知的 音频信息隐藏研究 - VideoLecturesNET
Given an input character sequence, it is encoded by a finite state acceptor FSAinput. For example, the input “合成分子时 ”(while synthesizing molecule) is represented as Figure a. Figure b shows a toy dictionary with 6 words, which is represented by a transducer with empty weights We adopt an n-gram language model based on word classes for word segmentation. Figure c shows a toy bigram with three words. The word classes in defined in the table. For both POS tagging and named entity recognition, the Hidden Markov Models are used. Each HMM is represented with two WFSTs. Taking the POS tagging as an example, Figure a models the generation of words by POS. Figure b models the transitions between POS tags. For named entity recognition, the topology of WFST can be obtained by substituting the POS tags with 30 named entity role tags such as surname, the first character of a given name with two characters, the first character of a location name. Some rules, which can be encoded into WFSTs, are responsible for the transformation from a role sequence to corresponding name class. * 1m * Xinhao Wang, Jiazhong Nie, Dingsheng Luo, and Xihong Wu Speech and Hearing Research Center, Department of Machine Intelligence, Peking University September 18th, 2008 A Joint Segmenting and Labeling Approach for Chinese Lexical Analysis ECML PKDD 2008, Antwerp Cascaded Subtasks in NLP Chunking and Parsing Word Segmentation and Named Entity Recognition POS Tagging Word Sense Disambiguation Drawbacks: Errors introduced by earlier subtasks propagate through the pipeline and will never be recovered in downstream subtasks. The information sharing among different subtasks is prohibited by this pipeline manner. Researchers’ Efforts on Joint Processing Reranking (Shi, 2007; Sutton, 2005; Zhang, 2003) As an approximation of joint processing, it may miss the true optimal result, which often lies out of the k-best list. Taking multiple subtasks as a single one (Luo, 2003; Miller, 2000; Yi, 2005; Nakaga
您可能关注的文档
- 基于CC8520 嵌入式无线音频传输系统① - 计算机系统应用.PDF
- 基于D类功放的宽范围可调开关电源的设计 [日期:2005-7-11] 来源.DOC
- 在线Raz-Kids 英文阅读课程授课亮点.PPT
- 基于FPGA 的自动采集控制系统 - 电子设计工程 - 国外电子元器件.PDF
- 基于FPGA 的音频监控系统的设计与实现 - 太赫兹科学与电子信息学报.PDF
- 基于FSK 的超尸口薰皮测距技术研宄.PDF
- 基于E 型双模谐振器的源负载耦合带通滤波器设计 - 电讯技术.PDF
- 基于FPGA的音频分析系统实现 - 华东师范大学学报(自然科学版).PDF
- 基于FPGA的高精度时间数字转换方法研究5 - 电测与仪表.PDF
- 基于ITO玻璃-PDMS复合式低电压电泳芯片的快速制备 - 湖北民族学院.PDF
文档评论(0)