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Label extraction method and device

A label extraction and labeling technology, applied in the computer field, can solve the problems of low accuracy, great influence, label error, etc., and achieve the effect of improving accuracy, improving accuracy and reliability, and improving performance and reliability.

Active Publication Date: 2020-06-02
TENCENT TECH (SHENZHEN) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Video tag extraction refers to identifying the main objects and content described in the video. Video tags can be applied to tasks such as video classification, recommendation, and retrieval. Video tag extraction methods in related technologies usually only extract video tags based on single information, but Using one type of information alone will be greatly affected, the accuracy is low, and it is easy to cause errors in the extracted labels

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  • Label extraction method and device

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Embodiment approach

[0098] S2.1. Count the occurrence times of each label in the candidate label set respectively.

[0099] S2.2. Use the label whose occurrence frequency is greater than the category number threshold as the label of the video to be extracted.

[0100] Wherein, the category number threshold is a hyperparameter, which can also be set according to actual conditions and experiences, and is not limited in this embodiment of the present application.

[0101] For example, the class count threshold is If it is set to 3, the tags whose occurrence times are greater than 3 in the candidate tag set are used as the tags of the video to be extracted. There can be one or more tags of the video to be extracted.

[0102] Further, after the tags of the videos to be extracted are determined, several possible application scenarios are provided in the embodiment of the present application: 1) In the embodiments of the present application, the tag information can be matched with the user's interest ...

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Abstract

The invention relates to the technical field of computers, and relates to computer vision, machine learning and other technologies of artificial intelligence, in particular to a label extraction method and device, and the method comprises the steps: obtaining a to-be-extracted video and a video title of the to-be-extracted video; extracting title feature information of the video title; extractingimage feature information of each target video frame in the to-be-extracted video, and performing target detection on each target video frame according to the image feature information of the target video frame and the title feature information to obtain a label of each target video frame; and according to the label of each target video frame, determining the label of the to-be-extracted video. Thus, the title feature information and the image feature information are fused for label extraction, and the accuracy of video label extraction can be improved.

Description

technical field [0001] The present application relates to the field of computer technology, in particular to a tag extraction method and device. Background technique [0002] Video tag extraction refers to identifying the main objects and content described in the video. Video tags can be applied to tasks such as video classification, recommendation, and retrieval. Video tag extraction methods in related technologies usually only extract video tags based on single information, but Using one kind of information alone will be greatly affected, the accuracy will be lower, and it will easily lead to errors in the extracted labels. Contents of the invention [0003] Embodiments of the present application provide a label extraction method and device to improve the accuracy of video label extraction. [0004] The specific technical scheme that the embodiment of the present application provides is as follows: [0005] An embodiment of the present application provides a label extr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/62G06N3/04G06N3/08
CPCG06N3/08G06V20/41G06V20/46G06N3/045G06F18/241
Inventor 刘树林
Owner TENCENT TECH (SHENZHEN) CO LTD