A method and device for identifying target information
A target information and identification method technology, which is applied in the field of target information identification methods and equipment, can solve the problems of high labor cost for identifying target information, low detection efficiency, and inability to effectively conduct investigations, and achieves the goal of reducing labor costs and improving identification efficiency. Effect
Active Publication Date: 2022-05-27
PING AN TECH (SHENZHEN) CO LTD
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Problems solved by technology
[0003] In view of this, the embodiment of the present invention provides a method and device for identifying target information to solve the problem of existing video detection technologies. Generally, video files to be identified are manually identified, and the labor cost of identifying target information is relatively high, and The detection efficiency is low, and when the number of videos is large, it is impossible to effectively troubleshoot the problem
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[0023] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.
[0024] In the embodiment of the present invention, by separating a video file into image track data and audio track data, it is determined by the image dimension whether the video file contains target information, and the audio track is used to determine whether the lines of the video file contain target information, and mark the It contains video image frames and audio paragraphs of target information, and generates target information records, realizes automatic identification of target information, and solves the existing video detection technology. The cost is high, and the detection ef...
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The present invention is applicable to the technical field of information processing, and provides a method and device for identifying target information, including: if a video file to be identified is received, the video file is analyzed to obtain image track data and audio track data of the video file ; extract the image feature value of each video image frame in the image track data; mark the video image frame containing the target information based on the image feature value; perform speech recognition on the audio track data, and determine the corresponding line text of the audio track data; if the line text contains If the characteristic keyword associated with the target information is used, the audio paragraph of the characteristic keyword is marked in the audio track data; based on the marked video image frame and audio paragraph, the target information record of the video file is generated. The invention determines whether the video file contains target information through the image dimension, and judges whether the lines of the video file contain target information through the audio track, so as to realize automatic identification of the target information.
Description
technical field [0001] The invention belongs to the technical field of information processing, and particularly relates to a method and device for identifying target information. Background technique [0002] As one of the most important multimedia carriers today, video is often forwarded and disseminated by users on the Internet. Therefore, how to effectively supervise video files will become the key to maintaining the healthy development of the Internet. In order to prevent underage children from being influenced by pornographic and violent videos and affecting their healthy growth, it is often necessary to identify and process paragraphs containing this part of the information, and the existing video detection technology is generally processed manually. After the video file is viewed, the target information is manually marked. However, the above method has high labor cost and low detection efficiency. When the number of videos is large, it cannot be effectively checked. ...
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IPC IPC(8): H04N21/234H04N21/233H04N21/44H04N21/439
CPCH04N21/233H04N21/23418H04N21/4394H04N21/44008
Inventor 韦享忠
Owner PING AN TECH (SHENZHEN) CO LTD