Method for mining community social relations on basis of video information

A social relationship and video technology, applied in the fields of instruments, electrical digital data processing, computer parts, etc., can solve problems such as difficulty in reflecting the deep characteristics of social relationships

CN107992598AActive Publication Date: 2018-05-04BEIHANG UNIV
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
Publication Date
2018-05-04

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Abstract

The invention provides a method for mining community social relations on the basis of video information. The method includes steps of firstly, preprocessing character images in video; secondly, computing correlations between every two persons, drawing social relation graphs and mining community relations corresponding to feature sub-graphs; thirdly, analyzing and predicting group relations; fourthly, analyzing action expression and states of every single person. The method has the advantages that data can be mined from video data materials with abundant contents, practical problems of multi-person character complicated relations in existing video can be solved, and accordingly multi-person relations in various scenes can be effectively quantified and evaluated; the method supports real-time analysis on various scenes of practical life in the future, and accordingly powerful methodological support can be provided for analyzing character relations in multi-person complicated scenes.
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Description

Technical field:

[0001] The invention proposes a method for mining group social relations based on video data. It involves face detection, recognition, network structure analysis, calculation of social relations, etc., and belongs to the field of data mining. Background technique:

[0002] Social relationship mining is a fast-growing field and an interdisciplinary subject that deeply integrates computer science and social science. Generally, the relationship between people is difficult to obtain through social survey methods such as direct questionnaires. It is necessary to use the current big data methods to indirectly mine social relationships. Social relationship mining has a wide range of applications in technology management, business intelligence, emergency management, anti-terrorism and anti-riot and other aspects.

[0003] "Social connections are essential to finding meaning in life". By establishing and maintaining connections with others, individuals can achieve...

Examples

Embodiment Construction

[0104] In order to make the technical problems and technical solutions to be solved by the present invention clearer, the following will describe in detail with reference to the accompanying drawings and specific implementation examples.

[0105] The present invention is a method for mining social relations of crowds based on video data, such as figure 1 As shown, the specific steps are as follows:

[0106] Step 1. Preprocessing the images of people in the video;

[0107] The present invention is based on individual video material data meeting the following requirements:

[0108] (a) Facial information: meet the face detection conditions, cannot be a back view or at an undetectable rotation angle throughout the entire process, and intermittent faces can be used;

[0109] (b) Time information: video length, definition, frame number; where the definition meets the basic face detection resolution;

[0110]First, perform face detection on each frame in the video, expand the ob...