305 167
Full Length Article
Volume 1 , Issue 1, PP: 5-13 , 2021


Micro-Expression Recognition using 3D - CNN

Authors Names :   Vishal Dubey   1 *     Bhavya Takkar   2     Puneet Singh Lamba   3  

1  Affiliation :  Bharati Vidyapeeth's College of Engineering, INDIA

    Email :  dubeyvishal1998@gmail

2  Affiliation :  Bharati Vidyapeeth's College of Engineering, INDIA

    Email :  bhavyat.work@gmail.com

3  Affiliation :  Bharati Vidyapeeth's College of Engineering, INDIA

    Email :  singhs.puneet@gmail.com

Doi   :  10.5281/zenodo.3825862

Abstract :

Micro-expression comes under nonverbal communication, and for a matter of fact, it appears for minute fractions of a second. One cannot control micro-expression as it tells about our actual state emotionally, even if we try to hide or conceal our genuine emotions. As we know that micro-expressions are very rapid due to which it becomes challenging for any human being to detect it with bare eyes. This subtle-expression is spontaneous, and involuntary gives the emotional response. It happens when a person wants to conceal the specific emotion, but the brain is reacting appropriately to what that person is feeling then. Due to which the person displays their true feelings very briefly and later tries to make a false emotional response. Human emotions tend to last about 0.5 - 4.0 seconds, whereas micro-expression can last less than 1/2 of a second. On comparing micro-expression with regular facial expressions, it is found that for micro-expression, it is complicated to hide responses of a particular situation. Micro-expressions cannot be controlled because of the short time interval, but with a high-speed camera, we can capture one's expressions and replay them at a slow speed. Over the last ten years, researchers from all over the globe are researching automatic micro-expression recognition in the fields of computer science, security, psychology, and many more. The objective of this paper is to provide insight regarding micro-expression analysis using 3D CNN. A lot of datasets of micro-expression have been released in the last decade, we have performed this experiment on SMIC micro-expression dataset and compared the results after applying two different activation functions.

Keywords :

3D CNN , micro-expression , Micro-Expression Recognition

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