Image-based online public opinion early warning system and method

Abstract

The invention discloses an image-based online public opinion early warning system and a method, and the method comprises the steps that an information obtaining module obtains the theme information and comment information of each topic in a network community, transmits the theme information to a classification and recognition module, and transmits the comment information to an expression analysismodule; the classification and identification module classifies the images in the theme information to obtain image categories, extracts characters in the images, and sends the image categories, the characters in the images and the characters in the theme information to an early warning and scoring module; the expression analysis module analyzes the pictures in the comment information to obtain apublic opinion analysis result of the comment information and sends the public opinion analysis result to the public opinion early warning module; the early warning and scoring module determines a public opinion score according to the image category, the characters in the image and the characters in the theme information and sends the public opinion score to the public opinion early warning module; and the public opinion early warning module determines an early warning score according to the public opinion analysis result and the public opinion score, and sends out early warning. According tothe system and the method, the public opinion early warning corresponding to the public opinion in the image can be published accurately and quickly.

Description

technical field [0001] This application relates to the field of information processing, in particular to an image-based network public opinion early warning system and method. Background technique [0002] In recent years, driven by emerging technologies such as artificial intelligence, cloud computing, and big data, my country's Internet technology has developed rapidly. Internet technology has created many network platforms in our country. According to statistics from the China Internet Network Center, by the end of June 2018, the number of various websites in my country has exceeded 5 million. In addition to government websites, department websites, and media websites, there are also many online communities in the category, and there are only university online communities. More than 4000. The provision and dissemination of data by online communities has the characteristics of convenience, rapidity, and randomness. It is convenient for netizens to express their own opinio...

AI Technical Summary

Problems solved by technology

Users in the online community have a relatively high degree of autonomy. At present, the relevant laws and regulations are not perfect. It is very common to post a picture at will. However, the existing website review system can filter individual text keywords. , but the review of images is not yet mature enough. It is not ruled out that people with ulterior motives take advantage of the openness of speech in the online community, use hidden images as the carrier of communication, and spread bad information to the Internet through the online community, causing troubles, causing network chaos, and affecting Network order triggers a crisis of public opinion, which is hard to guard against

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