Online course video resource content identification and evaluation method and intelligent system

A technology for video resource and content recognition, applied in speech recognition, character and pattern recognition, speech analysis, etc., can solve problems such as insufficient objectivity of evaluation results and impact on the accuracy of evaluation results.

Active Publication Date: 2020-11-06
HUAZHONG NORMAL UNIV
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Problems solved by technology

[0005] Aiming at the defects of the prior art, the purpose of the present invention is to provide a method for identifying and evaluating the content of online course video resources and an intelligent system, aiming to solve the problem that the evaluation of online course video resources in the prior art is mainly analyzed by users watching videos. The user experience is used to obtain quality evaluation, which leads to the problem that the evaluation result is not objective enough and affects the accuracy of the evaluation result

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  • Online course video resource content identification and evaluation method and intelligent system
  • Online course video resource content identification and evaluation method and intelligent system
  • Online course video resource content identification and evaluation method and intelligent system

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[0039] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0040] The course video resource evaluation method provided by the present invention performs content identification and evaluation on the online course video from the perspective of knowledge points represented by the video content; specifically, it can analyze the image and voice content in the online course video, identify the knowledge points contained in the video, Then evaluate and review the matching degree, coverage rate, and design of the knowledge points, including the analysis of the matching degree between the knowledge points and the video title, the coverage of the knowledge points of ...

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Abstract

The invention belongs to the technical field of teaching quality evaluation and application, and discloses an online course video resource content identification and evaluation method and an intelligent system. The method comprises the steps of obtaining a target online course video, and obtaining video stream information and audio stream information from a video file; processing the video streaminformation to obtain shot extraction and image texts, and performing audio fragment segmentation and voice recognition on the audio stream information to obtain voice texts; carrying out knowledge point identification on the content of the video resource according to the image text and the voice text; and comparing the video knowledge points with the course outline, and evaluating and auditing the teaching content. According to the invention, quality evaluation and auditing can be carried out on the online course teaching video from multiple angles, the evaluation result is based on the image, voice and specific course content of the video, the teaching content of the online course teaching video can be comprehensively analyzed and evaluated, and the invention has great reference value and practical significance for an online course platform and a producer.

Description

technical field [0001] The invention belongs to the technical field of teaching quality evaluation and application, and more specifically relates to an online course video resource content identification and evaluation method and an intelligent system. Background technique [0002] Online courses are booming, especially with the rise of Massive Open Courses, where learning activities are increasingly conducted on the web. However, the quality assessment of online courses (especially course video resources) faces great challenges. Online course video resources are different from traditional classroom teaching videos. The content is provided by the teacher team and edited and edited in advance. In addition, the traditional teaching quality is evaluated by professional teachers or supervisory experts. In the face of massive online course videos, manual observation and evaluation are difficult to complete. It is urgent to realize the automatic identification of online course vi...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06F40/279G06Q50/20G10L15/04G10L15/26
CPCG06F40/279G06Q50/205G10L15/04G06V20/41
Inventor 杨宗凯徐晶吴砥刘威徐建
Owner HUAZHONG NORMAL UNIV
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