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Real-time evaluation method and evaluation system for group emotion homogeneity

A homogeneity and emotion technology, applied in the field of emotion computing, can solve the problem of lack of group emotion homogeneity calculation method, and achieve the effect of broad market application prospect and low cost.

Active Publication Date: 2021-03-26
ZHEJIANG LAB
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AI Technical Summary

Problems solved by technology

At present, the measurement of group emotional homogeneity is still mainly carried out in traditional ways such as questionnaires, self-reports, and behavioral experiments, and there is a lack of objective and procedural calculation methods for group emotional homogeneity.

Method used

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  • Real-time evaluation method and evaluation system for group emotion homogeneity
  • Real-time evaluation method and evaluation system for group emotion homogeneity
  • Real-time evaluation method and evaluation system for group emotion homogeneity

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Embodiment Construction

[0046] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0047] Emotional experience is mainly triggered by environmental stimuli, causing changes in brain functional activity, peripheral autonomic nervous system responses, and changes in neurochemical substances in the body. Electroencephalogram (Electroencephalograph, EEG) is the overall reflection of the electrophysiological activity of brain nerve cells on the surface of the cerebral cortex or scalp. Diversity and other characteristics are cognitive physiological indicators with significant effects in the field of emotion recognition. By monitoring the EEG signals of multiple people at the same time, based on the correlation of emotion-related neural activities b...

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Abstract

The invention discloses a real-time evaluation method and evaluation system for group emotion homogeneity. The method comprises the steps as follows: enabling a testee to be in the same emotion induction environment, and collecting original electroencephalogram signals of a plurality of persons at the same time through online multichannel electroencephalogram equipment; and based on the average instantaneous phase per second of the beta frequency band and the energy value per second of the alpha frequency band obtained after wavelet transformation, calculating the time synchronization degree and the titer consistency degree in real time, and finally obtaining a group emotion homogeneity index for objective evaluation of group emotion homogeneity. According to the invention, multi-person synchronous real-time measurement and analysis are realized, the group emotion homogeneity can be dynamically monitored in a proceduring manner, the problems of after-event sampling, strong subjectivity, social period allowable deviation and the like of a traditional measurement means are effectively avoided, and the method has a wide market application prospect.

Description

technical field [0001] The invention relates to the technical field of emotional computing, in particular to a real-time evaluation method and evaluation system for group emotional homogeneity. Background technique [0002] Emotion is known as the Grammar of Social Living, and the recognition and understanding of emotion is one of the important functions of human-like intelligent machines. Due to technical limitations and implementation difficulties, previous studies focused more on emotional analysis and recognition at the individual level, ignoring emotional computing at the group level. Group emotion refers to the common emotional experience of the crowd due to the same external stimulus or mutual infection among individuals, including two aspects of time synchronization and valence consistency. At this stage, the measurement of group emotional homogeneity is still mainly carried out in traditional ways such as questionnaires, self-reports, and behavioral experiments, an...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/16A61B5/374A61B5/377
CPCA61B5/165A61B5/372A61B5/378A61B5/725A61B5/7275A61B5/31A61B5/7203
Inventor 李太豪裴冠雄刘昱龙廖龙飞
Owner ZHEJIANG LAB
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