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- 저자 : Yuma Matsui (검색결과 2 건)
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Detection of Distracted State Based on Head Posture and Facial Expression
Tomoki Washizu,Kazuhito Sato,Yuma Matsui,Hanwool Woo,Hirokazu Madokoro,Sakura Kadowaki 제어로봇시스템학회 2019 제어로봇시스템학회 국제학술대회 논문집 Vol.2019 No.10
Research and development of automatic driving have been progressing actively. Level 3 autonomous driving requires shifting of driving activity between the system and a driver. Such shifting poses high risks of a severe traffic accident if a driver is in a distracted state. Nevertheless, no distracted state detection method has been established. For our earlier study, research was conducted to extract characteristic driving behavior patterns in distracted states by quantifying eye movement. Results indicated a challenging task for further development: detecting gaze information with high accuracy. For this study, time-series changes of head posture and facial expressions in a driving concentration state and distracted state are quantified using hierarchical growth type recurrent SOM and a U-matrix. We assess the possibility of detecting driving behavior patterns that involve head posture and facial expressions and which characterize a distracted driver state.
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Soichi Murakami,Kazuyuki Hirose,Yo Kurashima,Nagato Sato,Saseem Poudel,Kimitaka Tanaka,Aya Matsui,Yoshitsugu Nakanishi,Toshimichi Asano,Takehiro Noji,Yuma Ebihara,Toru Nakamura,Takahiro Tsuchikawa,Kaz 대한외상중환자외과학회 2023 Journal of Acute Care Surgery Vol.13 No.2
Purpose: General surgeons at regional hospitals should have the primary trauma care skills necessary to treat critically ill trauma patients to withstand transfer. This study was conducted to identify a consensus on primary trauma care skills for general surgeons. Methods: An initial list of acute care surgical skills was compiled, and revised by six trauma experts (acute care surgeons); 33 skills were nominated for inclusion in the Delphi consensus survey. Participants (councilors of the Japanese Society for Acute Care Surgery) were presented with the list of 33 trauma care skills and were asked (using web-based software) to rate how strongly they agreed or disagreed (using a 5-point Likert scale) with the necessity of each skill for a general surgeon. The reliability of consensus was predefined as Cronbach’s α ≥ 0.8, and trauma care skills were considered as primarily required when rated 4 (agree) or 5 (strongly agree) by ≥ 80% participants. Results: There were 117 trauma care specialists contacted to participate in the Delphi consensus survey panel. In the 1st round, 85 specialists participated (response rate: 72.6%). In the 2nd round, 66 specialists participated (response rate: 77.6%). Consensus was achieved after two rounds, reliability using Cronbach’s α was 0.94, and 34 items were identified as primary trauma care skills needed by general surgeons. Conclusion: A consensus-based list of trauma care skills required by general surgeons was developed. This list can facilitate the development of a new trauma training course which has been optimized for general surgeons.
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