Recognizing the human attention state using cardiac pulse from the noncontact and automatic-based measurements
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User attention state recognition when interacting with a monitor or undertaking a specific task represents a crucial issue in many domains and applications, such as e-learning, driving and network video conferences. However, for the consideration of convenience and practicality in these situations, it is inescapable and necessary to develop a noncontact and automatic monitoring system to analyze, recognize and predict what kind of attention state in individuals during a task execution without delay. The elaborated technique presented here has achieved efficient cardiac pulse estimation based on the face image captured by the noncontact, automatic and webcam-based measurement method. After collecting cardiac pulse signals, various features extraction methods are presented to obtain key features from the raw data which is related to the attention state or not. The experiment result shows that it is possible to estimate humans attention state based on the technique presented here. The proposed technique may be useful for monitoring person for the purpose of health care, psychological testing, online learning or security, etc.
KeywordsHuman attention state Cardiac pulse Noncontact
The authors would like to thank anonymous reviewers for their very detailed and helpful review. This study was funded by National Natural Science Foundation of China (61502291, 61573157 and 61561024), the Cultivation Project for Outstanding Young Teachers in Higher Education Institutions of Guangdong Province (YQ2015070), the Characteristic Innovation Project in Higher Education Institutions of Guangdong Province (2015KTSCX039, 2015GXJK037), the Shantou University National Foundation Cultivation Project (NFC15005) and the Science Foundation of Jiangxi University of Science and Technology (NSFJ2015-K13).
Compliance with ethical standards
Conflict of interest
The authors declare that they have no conflict of interest.
This article does not contain any studies with human participants performed by any of the authors.
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