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Video identification based system for extracting film images

A video recognition and image technology, applied in the direction of character and pattern recognition, special data processing applications, instruments, etc., can solve the problems of audio and video resource content not being well recognized, resource neglect, etc., to improve corporate reputation and information degree, the effect of increasing enthusiasm

Active Publication Date: 2011-10-19
CHINA HUALU GRP +1
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AI Technical Summary

Problems solved by technology

The current mainstream video players have solved the problem of watching videos, but in terms of audio and video recognition and extraction, these player systems have not yet developed this function, which makes the content of audio and video resources themselves not well recognized. Some useful resources are ignored. One of the ways to solve this problem is to use recognition technology to analyze the available information from audio and video resources, and then use extraction technology to index these resources to achieve the purpose of extracting useful information

Method used

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  • Video identification based system for extracting film images
  • Video identification based system for extracting film images
  • Video identification based system for extracting film images

Examples

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Embodiment Construction

[0021] Such as figure 1 The system for identifying and extracting film images based on video includes the following steps:

[0022] Step 1: The preprocessing server converts the audio part in the preprocessing video into a standard speech to be recognized; the audio signal in the video stream is a complex interweaving of various sound signals (voice, music, ambient sound, etc.) Mixture, when switching from one type of audio signal to another, some auditory characteristics will change, and the difference is large, just like the visual characteristics in the image sequence, in the continuous audio signal stream , when one type of audio signal is converted to another type of audio signal, the two types of audio signals will find obvious changes in some corresponding audio characteristics, so it is only necessary to find the place where the audio characteristics change sharply, that is, through the acoustics of the signal By analyzing and finding the change points of the sound, t...

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Abstract

The invention discloses a video identification based system for extracting film images. The system is characterized by comprising the following steps of: firstly, converting video frequencies and audio frequencies by a pretreatment server into standard voices to be identified; secondly, converting the video frequencies by the pretreatment server into standard images to be identified; thirdly, converting video subtitles by the pretreatment server into standard binaryzation images to be identified; fourthly, carrying out feature extraction on the voices, the pictures in a picture sample database and the binaryzation images to be identified; and fifthly, carrying out feature extraction on the voices, images or characters of an identified video file by an index server, comparing the similarity of the obtained features of the voices, the images or the characters with that of feature values in the feature database which is obtained in the fourth step, and finally obtaining match results to be called by users. The system is characterized by accurately capturing the images, completely preventing the functions of identifying and extracting the film images from influencing the original webpage browsing speed and the like.

Description

technical field [0001] The invention relates to a system for identifying and extracting film images based on video. Background technique [0002] With the development of network information, multimedia content such as audio, image and video currently occupies a very important position in the Internet. The use of audio and video in various industries is becoming more and more extensive. How to obtain useful information from massive audio and video information , that is, the identification and extraction of audio and video information resources is becoming increasingly important, and audio and video have become one of the most frequently used and watched resources by network users. The current mainstream video players have solved the problem of watching videos, but in terms of audio and video recognition and extraction, these player systems have not yet developed this function, which makes the content of audio and video resources themselves not well recognized. Some useful re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/46G06K9/36G06F17/30
Inventor 李亚欧
Owner CHINA HUALU GRP
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