Method for detecting and correcting error on text after voice recognition

A speech recognition and text technology, applied in speech recognition, speech analysis, special data processing applications, etc., can solve problems such as low speech recognition rate and affect normal communication between humans and machines, so as to achieve free communication and improve speech recognition rate effect

Active Publication Date: 2010-02-24
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

However, there are often many errors in the text after the existing speech recognition, that is, the speech recognition rate is not very high, which affects the norm

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  • Method for detecting and correcting error on text after voice recognition
  • Method for detecting and correcting error on text after voice recognition
  • Method for detecting and correcting error on text after voice recognition

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Embodiment Construction

[0021] In order to solve the problems in the prior art, the present invention proposes a method for error detection and correction of text after speech recognition, that is, to perform error detection and correction on the text after speech recognition based on examples: determine the content of each text sentence Anchor words, extract examples of the determined anchor words, and perform error detection and correction of text sentences according to the extracted examples, due to the second grammatical knowledge base and second semantic knowledge base used in this method Both the second context knowledge base and the second context knowledge base are created for the field of the text sentence in the text after speech recognition, and the anchor word is obtained through the second grammatical knowledge base and the second semantic knowledge base of the specific field created above, In other words, the obtained anchor word is in a specific field, and an instance is obtained through...

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Abstract

The invention discloses a method for detecting and correcting error on the text after voice recognition, for the purpose of orderly detecting and correcting the sentence errors on the text after voicerecognition. The method comprises the steps of respectively creating a second syntactic knowledge base, a second semantic knowledge base and a second contextual knowledge base belonging to the fieldof the sentence on the text after voice recognition, locating heavy duty words on the text according to the second syntactic knowledge base and the second semantic knowledge base, extracting an example of the located heavy duty words based on the second contextual knowledge base, detecting the errors in the sentence based on a first semantic knowledge base and the extracted example and correctingthe wrong words which are detected based on the first semantic knowledge base and the extracted example. The method of the invention can exactly detect and correct the errors on the text after voice recognition to promote the efficiency of voice recognition and realize the free man-machine communication.

Description

Technical field [0001] The invention relates to the technical field of natural language processing, in particular to a method for detecting and correcting errors in text after speech recognition. Background technique [0002] Speech recognition technology is a technology that allows machines to transform human language into corresponding texts through recognition and understanding. Its ultimate goal is to make machines "understand" human language and realize free communication between humans and machines. However, there are often many errors in the text after existing speech recognition, that is, the speech recognition rate is not very high, which affects the normal communication between humans and machines. Therefore, improving the speech recognition rate has become a major problem in speech recognition technology. Top priority. [0003] In order to improve the speech recognition rate, it is necessary to detect and correct errors in the text after speech recognition. Summary of ...

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Application Information

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IPC IPC(8): G06F17/27G06F17/30G10L15/00
Inventor 李蕾龙丽霞王兴建王骏
Owner BEIJING UNIV OF POSTS & TELECOMM
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