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반자율주행 맥락에서 AI 에이전트의 멀티모달 인터랙션이 운전자 경험에 미치는 효과
서민수(Min-soo Suh),홍승혜(Seung-Hye Hong),이정명(Jeong-Myeong Lee) 한국콘텐츠학회 2018 한국콘텐츠학회논문지 Vol.18 No.8
대화형 AI 스피커가 보편화되면서 음성인식은 자율주행 상황에서의 중요한 차량-운전자 인터랙션 방식으로 인식되고 있다. 이 연구의 목적은 반자율주행 상황에서 음성뿐만 아니라 AI 캐릭터의 시각적 피드백을 함께 전달하는 멀티모달 인터랙션이 음성 단일 모드 인터랙션보다 사용자 경험 최적화에 효과적인지를 확인하는 것이다. 실험 참가자에게 주행 중 AI 스피커와 캐릭터를 통해 음악 선곡과 조정을 위한 인터랙션 태스크를 수행하게 하고, 정보 및 시스템 품질, 실재감, 지각된 유용성과 용이성, 그리고 지속 사용 의도를 측정하였다. 평균차이 분석 결과, 대부분의 사용자 경험 요인에서 시각적 캐릭터의 멀티모달 효과는 나타나지 않았으며, 지속사용 의도에서도 효과는 나타나지 않았다. 오히려, 정보품질 요인에서 음성 단일 모드가 멀티모달보다 효과적인 것으로 나타났다. 운전자의 인지적 노력이 필요한 반자율주행 단계에서는 멀티모달 인터랙션이 단일 모드 인터랙션에 비해 사용자 경험 최적화에 효과적이지 않았다. As the interactive AI speaker becomes popular, voice recognition is regarded as an important vehicle-driver interaction method in case of autonomous driving situation. The purpose of this study is to confirm whether multimodal interaction in which feedback is transmitted by auditory and visual mode of AI characters on screen is more effective in user experience optimization than auditory mode only. We performed the interaction tasks for the music selection and adjustment through the AI speaker while driving to the experiment participant and measured the information and system quality, presence, the perceived usefulness and ease of use, and the continuance intention. As a result of analysis, the multimodal effect of visual characters was not shown in most user experience factors, and the effect was not shown in the intention of continuous use. Rather, it was found that auditory single mode was more effective than multimodal in information quality factor. In the semi-autonomous driving stage, which requires driver s cognitive effort, multimodal interaction is not effective in optimizing user experience as compared to single mode interaction.
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이정명,최태윤,김원배,이동화,강득용 순천향대학교 1993 논문집 Vol.16 No.2
In Korea indigenous malaria was almost disappeared by end of the 1970's, however, exogenous malaria has been increasing due to frequent trips of Koreans to Africa, southeast and mideast Asia recently. In order to study for the clinical and laboratory aspects of malaria imported in Korea. authors analysed 22 cases of imported malaria diagnosed at the Soonchunhyang University Hospital from March 1980 to February 1993. The result were as follows: 1. All were physically active men with a mean age of 35 years. Two of them were foreign visitors from tropical countries. 2. The country they had traveled were Africa(50%), middle-east Asia(23%), south-east Asia(9%) and Australia(18%) 3. Eleven(50%) of 22 cases were the Plasmodium falcifarum, and 5(23%) were Plasmodium vivax, and the Plasmodium could not be detected in 6 cases. 4. Eighteen(86%) of 22 cases were afflicted with malaric before their return to Korea. 5. Two cases of them had cerebral malaria, one with black water fever, and 11 with hemolytic anemia, as complications. 6. Seven(78%) of 9 cases with Plasmodium falcifarum and 2 cases(40%) of 5 cases with Plasmodium vivax were choloroquine-resistant. In summary of above findings, we could suggest the necessity of chemoprophylaxis for malaria, especially in travelers of risky area, because the diagnosis and treatment of malaria are not easy.
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