Cited by 218Face recognition and analysisEmotion and Mood RecognitionFace and Expression Recognition

Macro- and micro-expression spotting in long videos using spatio-temporal strain

Shreve, Matthew, Godavarthy, Sridhar, Goldgof, Dmitry, Sarkar, Sudeep·2011·Face and Gesture 2011

Abstract

We propose a method for the automatic spotting (temporal segmentation) of facial expressions in long videos comprising of macro- and micro-expressions. The method utilizes the strain impacted on the facial skin due to the non-rigid motion caused during expressions. The strain magnitude is calculated using the central difference method over the robust and dense optical flow field observed in several regions (chin, mouth, cheek, forehead) on each subject's face. This new approach is able to successfully detect and distinguish between large expressions (macro) and rapid and localized expressions (micro). Extensive testing was completed on a dataset containing 181 macro-expressions and 124 micro-expressions. The dataset consists of 56 videos collected at USF, 6 videos from the Canal-9 political debates, and 3 low quality videos found on the internet. A spotting accuracy of 85% was achieved for macro-expressions and 74% of all micro-expressions were spotted.

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Authors
Shreve, M., Godavarthy, S., Goldgof, D., & Sarkar, S.
Affiliations
University of South Florida (US)
Venue
Face and Gesture 2011
Publisher
IEEE
Published
2011-03
Pages
51-56
ISSN
1541-5058 (ISSN-L)
OpenAlex
W2056591378
Cited by
218
References
13
Citations by year
2026: 3 · 2025: 11 · 2024: 21 · 2023: 20 · 2022: 21 · 2021: 23 · 2020: 16 · 2019: 20 · 2018: 19 · 2017: 13 · 2016: 19 · 2015: 10 · 2014: 11 · 2013: 6 · 2012: 2
FWCI
5.25
Type
conference paper
Language
en
Open access
closed
Locations
International Conference on Automatic Face and Gesture Recognition (publishedVersion)
Topics
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Face recognition and analysis
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Emotion and Mood Recognition
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Face and Expression Recognition
Keywords
macro-expressions, micro-expressions, temporal segmentation, optical flow, dense optical flow, facial expression datasets

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