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Title: A Survey on Perception Methods for Human-Robot Interaction in Social Robots
Authors: Yan, H.
Ang Jr., M.H. 
Poo, A.N.
Keywords: Human-robot interaction
Social robots
Issue Date: 2014
Citation: Yan, H., Ang Jr., M.H., Poo, A.N. (2014). A Survey on Perception Methods for Human-Robot Interaction in Social Robots. International Journal of Social Robotics 6 (1) : 85-119. ScholarBank@NUS Repository.
Abstract: For human-robot interaction (HRI), perception is one of the most important capabilities. This paper reviews several widely used perception methods of HRI in social robots. Specifically, we investigate general perception tasks crucial for HRI, such as where the objects are located in the rooms, what objects are in the scene, and how they interact with humans. We first enumerate representative social robots and summarize the most three important perception methods from these robots: feature extraction, dimensionality reduction, and semantic understanding. For feature extraction, four widely used signals including visual-based, audio-based, tactile-based and rang sensors-based are reviewed, and they are compared based on their advantages and disadvantages. For dimensionality reduction, representative methods including principle component analysis (PCA), linear discriminant analysis (LDA), and locality preserving projections (LPP) are reviewed. For semantic understanding, conventional techniques for several typical applications such as object recognition, object tracking, object segmentation, and speaker localization are discussed, and their characteristics and limitations are also analyzed. Moreover, several popular data sets used in social robotics and published semantic understanding results are analyzed and compared in light of our analysis of HRI perception methods. Lastly, we suggest important future work to analyze fundamental questions on perception methods in HRI. © 2013 Springer Science+Business Media Dordrecht.
Source Title: International Journal of Social Robotics
ISSN: 18754805
DOI: 10.1007/s12369-013-0199-6
Appears in Collections:Staff Publications

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