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Emotion Analysis and Classification: Understanding the Performers' Emotions Using the LMA Entities
Author(s) -
Aristidou Andreas,
Charalambous Panayiotis,
Chrysanthou Yiorgos
Publication year - 2015
Publication title -
computer graphics forum
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.578
H-Index - 120
eISSN - 1467-8659
pISSN - 0167-7055
DOI - 10.1111/cgf.12598
Subject(s) - motion (physics) , computer science , search engine indexing , motion capture , artificial intelligence , dance , arousal , encode , similarity (geometry) , valence (chemistry) , emotion classification , motion analysis , computer vision , psychology , biochemistry , chemistry , physics , literature , quantum mechanics , neuroscience , image (mathematics) , gene , art
The increasing availability of large motion databases, in addition to advancements in motion synthesis, has made motion indexing and classification essential for better motion composition. However, in order to achieve good connectivity in motion graphs, it is important to understand human behaviour; human movement though is complex and difficult to completely describe. In this paper, we investigate the similarities between various emotional states with regards to the arousal and valence of the Russell's circumplex model. We use a variety of features that encode, in addition to the raw geometry, stylistic characteristics of motion based on Laban Movement Analysis (LMA). Motion capture data from acted dance performances were used for training and classification purposes. The experimental results show that the proposed features can partially extract the LMA components, providing a representative space for indexing and classification of dance movements with regards to the emotion. This work contributes to the understanding of human behaviour and actions, providing insights on how people express emotional states using their body, while the proposed features can be used as complement to the standard motion similarity, synthesis and classification methods.

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