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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Raheel Bhutta, M. Keum-Shik Hong Hong, M.J. Yun-Hee Kim |
| Copyright Year | 2015 |
| Description | Author affiliation: Dept. of Phys. & Rehabilitation Med., Sch. of Med., Sungkyunkwan Univ., Seoul, South Korea (Yun-Hee Kim) || FIRST 5 Santa Clara County, San Jose, CA, USA (Hong, M.J.) || Dept. of Cogno-Mechatron. Eng., Pusan Nat. Univ., Busan, South Korea (Raheel Bhutta, M.; Keum-Shik Hong) |
| Abstract | Polygraph has been widely used to detect lie which measures some physiological parameters in human body but many researchers believe that lie can be detected more precisely if we can find the neuronal changes which occur during a deception process. To investigate the hemodynamic response related to deception, functional near-infrared spectroscopy (fNIRS) is used at the prefrontal cortex (PFC) of the subject. Commercially available polygraph system, Paragon acquisition system (PAS) is used to measure the physiological parameters like respiration and electrodermal activity (EDA) during the deception process. A mock crime scenario with a stimulus of single trial is used as a deception protocol. The acquired data is classified into true and lie classes, based on hemoglobin concentration changes in case of fNIRS and based on the physiological signal changes for polygraph data. Linear discriminant analysis (LDA) is used as a classifier. In this paper, we have analyzed the effect of different temporal windows in classification of combined fNIRS-polygraph signals for lie detection. The results show that the best time window for fNIRS-polygraph system is 2-7 s and 0-7 s for fNIRS and polygraph data respectively. |
| Starting Page | 1795 |
| Ending Page | 1800 |
| File Size | 613634 |
| Page Count | 6 |
| File Format | |
| ISSN | 20937121 |
| e-ISBN | 9788993215083 |
| DOI | 10.1109/ICCAS.2015.7364650 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2015-10-13 |
| Publisher Place | South Korea |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Control, Robotics and Systems - ICROS |
| Subject Keyword | Wireless communication hemoglobin change physiological responses temporal windows combined fNIRS-polygraph system Single trial lie detection linear discriminant analysis Robots Biomedical imaging |
| Content Type | Text |
| Resource Type | Article |
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