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Entropy 2019, 21(4), 393; https://doi.org/10.3390/e21040393

Supervisors’ Visual Attention Allocation Modeling Using Hybrid Entropy

State Key Lab Rail Traff Control & Safety, School of Mechanical, Electronic and Control Engineering, Beijing Jiaotong University, 100044 Beijing, China
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Received: 26 March 2019 / Revised: 8 April 2019 / Accepted: 10 April 2019 / Published: 12 April 2019
(This article belongs to the Special Issue Statistical Machine Learning for Human Behaviour Analysis)
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Abstract

With the improvement in automation technology, humans have now become supervisors of the complicated control systems that monitor the informative human–machine interface. Analyzing the visual attention allocation behaviors of supervisors is essential for the design and evaluation of the interface. Supervisors tend to pay attention to visual sections with information with more fuzziness, which makes themselves have a higher mental entropy. Supervisors tend to focus on the important information in the interface. In this paper, the fuzziness tendency is described by the probability of correct evaluation of the visual sections using hybrid entropy. The importance tendency is defined by the proposed value priority function. The function is based on the definition of the amount of information using the membership degrees of the importance. By combining these two cognitive tendencies, the informative top-down visual attention allocation mechanism was revealed, and the supervisors’ visual attention allocation model was built. The Building Automatic System (BAS) was used to monitor the environmental equipment in a subway, which is a typical informative human–machine interface. An experiment using the BAS simulator was conducted to verify the model. The results showed that the supervisor’s attention behavior was in good agreement with the proposed model. The effectiveness and comparison with the current models were also discussed. The proposed attention allocation model is effective and reasonable, which is promising for use in behavior analysis, cognitive optimization, and industrial design. View Full-Text
Keywords: attention allocation; attention behavior; hybrid entropy; information entropy attention allocation; attention behavior; hybrid entropy; information entropy
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Bao, H.; Fang, W.; Guo, B.; Wang, P. Supervisors’ Visual Attention Allocation Modeling Using Hybrid Entropy. Entropy 2019, 21, 393.

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