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Method and device for psychophysiological detection (lie detection) of distortion by detecting physiological signals based on video

A video and psychological technology, applied in the field of obtaining biosignals, can solve problems such as not obtaining

Active Publication Date: 2021-03-02
VIBRASYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The countries that use this technology are the United States, Canada, South Korea, and India. In fact, it is widely used, but it has not been legally recognized in court.

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  • Method and device for psychophysiological detection (lie detection) of distortion by detecting physiological signals based on video
  • Method and device for psychophysiological detection (lie detection) of distortion by detecting physiological signals based on video
  • Method and device for psychophysiological detection (lie detection) of distortion by detecting physiological signals based on video

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Embodiment Construction

[0039] The lie detection method using vibration images of the present invention will be described below in conjunction with the accompanying drawings.

[0040] Various theorists believe that all humans are born with emotions. Many researchers defined emotions from more than one angle, and by 1897, emotions were explained from three aspects, namely "pleasure and unpleasantness", "awakening and calmness", and "stress and relief". Emotions were classified in 1980 by a model developed by James Russell on a binary circular space. Such as figure 1 As shown, in Russell's model, the language of emotion is registered in a dualistic circular space of arousal and balance. figure 1 Arousal is shown on the vertical axis and mood (pleasant / unpleasant) is shown on the horizontal axis.

[0041] Vibration images showed brain activity characterized by Vestibulo-Emotional Reflex (VER) information. That is, vibrating images measure the movement of the face and upper body, as well as subtle vi...

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PUM

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Abstract

The invention discloses a method for judging whether a subject lies or not. The disclosed method comprises: using a video camera to obtain the video before and after the interviewee makes a statement to a given question; extracting at least one of the parameters A1, A3, A4, A1X, A4X, INT0A, INT1A, and INT2A from the video; A step of calculating a standard deviation among the parameters extracted in the above steps; a step of judging whether the subject is lying or not by using the standard deviation.

Description

technical field [0001] The present invention relates to a method for obtaining biological signals used in the fields of biometrics, electronic engineering, medicine, etc. and a technology for detecting polygraphs using this method, specifically, using the video of the polygraph process formed in a comparative analysis to obtain physiological signals, and This is the method of judging whether it is a lie or not after analyzing it. Background technique [0002] The founder of analytical psychology, Sigmund Freud, first proposed the hypothesis of the inseparable relationship between human psychology and physiology based on scientific knowledge between 1890 and 1895. It is now widely accepted that any change in human psychology is related to physiological responses of the human body. Of course, the connection points of their mutual correlations have not yet been determined, and various methods can be used to study this. [0003] In order to obtain these comprehensive informati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/16G16H30/20G16H40/63
CPCA61B5/164A61B5/00A61B5/16G06T7/00G16Z99/00
Inventor 崔晋官
Owner VIBRASYST