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Topolet: From Atomic Hand Posture Structures to a Comprehensive Gesture Set

Topics: Categorization and Scene Understanding; Event and Human Activity Recognition; Face and Expression Recognition; Features Extraction; Human and Computer Interaction; Image-Based Modeling and 3D Reconstruction; Segmentation and Grouping; Shape Representation and Matching; Tracking and Visual Navigation

Authors: Amin Dadgar and Guido Brunnett

Affiliation: Computer Science, Chemnitz University of Technology, Straße der Nationen 62, 09111, Chemnitz, Germany

ISBN: 978-989-758-354-4

Keyword(s): Generative Poselet, Topolet, Topological-based Temporal Model, Hidden Markov Model, Gestures’ Comprehensive Set, Context-Free Gesture Recognition, Description-based (Data) Specification.

Abstract: We propose a type of time-series model for hierarchical hand posture database which can be viewed as a Markovian temporal structure. The model employs the topology of the points’ cloud, existing in each layer of the database, and exploits a novel type of atomic structure, we refer to as Topolet. Moreover, our temporal structure utilizes a modified version of another atomic gesture structure, known as Poselet. That modification considers Poselets from the vector-based generative perspective (instead of the pixel-based discriminative one). The results suggest a considerable improvement in the accuracy and time-complexity. Furthermore, in contrast to other approaches, our Topolet is capable of considering random gestures, thus introduces a comprehensive set of gestures (suitable for context-free application domain) within the shape-based approach. We prove that the Topolet could be enhanced to different resolutions of gestures’ set which provide the system with the potential to be adapte d to different application requirements. (More)

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Paper citation in several formats:
Dadgar, A. and Brunnett, G. (2019). Topolet: From Atomic Hand Posture Structures to a Comprehensive Gesture Set.In Proceedings of the 14th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications - Volume 5: VISAPP, ISBN 978-989-758-354-4, pages 157-164. DOI: 10.5220/0007244701570164

@conference{visapp19,
author={Dadgar, A. and Guido Brunnett.},
title={Topolet: From Atomic Hand Posture Structures to a Comprehensive Gesture Set},
booktitle={Proceedings of the 14th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications - Volume 5: VISAPP,},
year={2019},
pages={157-164},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0007244701570164},
isbn={978-989-758-354-4},
}

TY - CONF

JO - Proceedings of the 14th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications - Volume 5: VISAPP,
TI - Topolet: From Atomic Hand Posture Structures to a Comprehensive Gesture Set
SN - 978-989-758-354-4
AU - Dadgar, A.
AU - Brunnett, G.
PY - 2019
SP - 157
EP - 164
DO - 10.5220/0007244701570164

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