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Method and device for generating text retrieval subtitle library and video retrieval method and device

A subtitle and video technology, applied in the fields of video retrieval method and device, text retrieval subtitle library generation method and device, can solve the problem that video retrieval service cannot be personalized and convenient, and achieve the effect of improving individuation and convenience

Active Publication Date: 2014-08-13
BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the continuous development of terminal technology and network video technology, traditional video retrieval services can no longer meet people's growing needs for personalization and convenience.

Method used

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  • Method and device for generating text retrieval subtitle library and video retrieval method and device
  • Method and device for generating text retrieval subtitle library and video retrieval method and device
  • Method and device for generating text retrieval subtitle library and video retrieval method and device

Examples

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no. 1 example

[0033] figure 1 It is a flow chart of a method for generating a text search subtitle library according to the first embodiment of the present invention. The method of this embodiment can be executed by a device for generating a text search subtitle library, which can be implemented by means of hardware and / or software , generally can be integrated in the server, such as a video server controlled by an online video service provider or a third-party subtitle provider that can provide video services or a subtitle server that can interact with the video server. The method of this embodiment specifically includes the following operations:

[0034] 110. According to preset language types, acquire at least two language search subtitles corresponding to the video, wherein the language search subtitles are stored in at least one subtitle file.

[0035] The subtitles refer to non-image content displayed in text form such as dialogues in TV, movies, and stage works, and also generally r...

no. 2 example

[0048] figure 2 It is a flow chart of a method for generating a text retrieval subtitle library in the second embodiment of the present invention. This embodiment is optimized based on the above-mentioned embodiments. In this embodiment, it is preferred to operate according to the preset language type, Obtaining the language retrieval subtitles of at least two language types corresponding to the video is optimized as follows: according to the preset language type, obtain video subtitles corresponding to at least one language type of the video; if the number of language types of the video subtitles obtained is equal to the preset Set the number of language types, and use the obtained video subtitles as the language search subtitles of the video; if the obtained language type numbers of the video subtitles are less than the preset language type numbers, use the obtained video subtitles to generate A subtitle corresponding to a preset language type that has not been acquired; a ...

no. 3 example

[0064] image 3 It is a flowchart of a method for generating a text search subtitle library according to the third embodiment of the present invention. This embodiment is optimized based on the above embodiments. In this embodiment, it is preferred to operate according to the preset language type, Obtaining video subtitles of at least one language type corresponding to the video is optimized as follows: according to the preset language type, obtain the independent subtitle file that comes with the video as the video subtitle; and / or according to the preset language type, use Optical character recognition technology, identifying the subtitle text content displayed in the image of the video, generating the video subtitle; and / or searching the Internet for network subtitles that match the tag information of the video according to the preset language type file, as the video subtitles. In order to improve the accuracy and effectiveness of video subtitles obtained according to diff...

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Abstract

The embodiment of the invention discloses a method and device for generating a text retrieval subtitle library and a video retrieval method and device. The method for generating the text retrieval subtitle library includes the steps that at least two language types of language searching subtitles corresponding to videos are acquired according to a preset language type; a set of the language searching subtitles corresponding to all the videos in a video library is used as the text retrieval subtitle library. The video retrieval method includes the steps that at least one matching subtitle statement set corresponding to input search words in the text retrieval subtitle library is acquired; corresponding video information is acquired according to the at least one matching subtitle statement set to be used as a search result of the input search words. According to the method and device for generating the text retrieval subtitle library and the video retrieval method and device, subtitle search is added in the video retrieval service, an existing video retrieval service is optimized, a video subtitle retrieval service based on lines is provided for users, and thus the individuation and convenience of the video retrieval service are improved.

Description

technical field [0001] Embodiments of the present invention relate to the field of video retrieval, and in particular to a method and device for generating a subtitle library for text retrieval, and a method and device for video retrieval. Background technique [0002] With the continuous development of Internet technology and the continuous increase of network bandwidth today, online video has attracted a large number of users with its convenient access experience, diverse video sources and real-time update speed, making online video a part of users' online life. Indispensable and important component. [0003] With the massive growth of various videos in the network, video users often obtain interested video content through video retrieval. Existing video retrieval services mainly search for videos that meet the search criteria in the video library and provide them to users through information such as the video name, video format, video duration, or video resolution input ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
CPCG06F16/7844
Inventor 韩钧宇
Owner BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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