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Title: Visual Attention Prediction Using Saliency Determination of Scene Understanding for Social Robots
Authors: He, H.
Ge, S.S. 
Zhang, Z.
Keywords: Informational entropy
Scene understanding
Social robot
Visual attention
Issue Date: Nov-2011
Citation: He, H., Ge, S.S., Zhang, Z. (2011-11). Visual Attention Prediction Using Saliency Determination of Scene Understanding for Social Robots. International Journal of Social Robotics 3 (4) : 457-468. ScholarBank@NUS Repository.
Abstract: In this paper, the biological ability of visual attention is modeled for social robots to understand scenes and circumstance. Visual attention is determined by evaluating visual stimuli and prior knowledge in the intelligent saliency searching. Visual stimuli are measured using information entropy and biological color sensitivities, where the information entropy evaluates information qualities and the color sensitivity assesses biological attraction of a presented scene. We also learn and utilize the prior knowledge of people's focus in the prediction of visual attention. The performance of the proposed technique is studied on different sorts of natural scenes and evaluated with fixation data of actual eye-tracking database. The experimental results proved the effectiveness of the proposed technique in discovering salient regions and predicting visual attention. The robustness of the proposed technique to transformation and illumination variance is also investigated. Social robots equipped with the proposed technique can autonomously determine their attention to a scene autonomously so as to behave naturally in the human robot interaction. © Springer Science & Business Media BV 2011.
Source Title: International Journal of Social Robotics
ISSN: 18754791
DOI: 10.1007/s12369-011-0105-z
Appears in Collections:Staff Publications

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