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적은 수의 특징점을 이용한 얼굴 사진의 3차원 모델링 시스템
김종찬(Jong-Chan Kim),박경숙(Kyung-Sook Park),정선인(Son-In Jeong),허영남(Yeong-Nam Heo),김응곤(Eung-Kon Kim) 한국정보과학회 2001 한국정보과학회 학술발표논문집 Vol.28 No.1B
사용자에게 친근감 있는 인터페이스를 제공하는 얼굴 모델링에 대한 연구가 활발히 진행 중이다. 본 논문에서는 기존 방법인 3차원 스캐너나 카메라를 이용하지 않고 얼굴의 정면상과 측면상의 사진을 이용하여 크기와 배경의 복잡성에 상관없이 일반적인 특징점을 추출하여 삼각형 메쉬로 구성된 표준모델을 생성하고 이를 이용해서 3차원 얼굴의 형태를 생성하는 시스템을 제안한다. 추출된 특징점은 각개인의 얼굴 형태에 맞게 변형함으로서 좀더 현실적인 3차원 얼굴 모델링을 제공한다.
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장세진,고상백,강동묵,김성아,강명근,이철갑,정진주,조정진,손미아,채창호,김정원,김정일,김형수,노상철,박재범,우종민,김수영,김정연,하미나,박정선,이경용,김형렬,공정옥,김인아,김정수,박준호,현숙정,손동국 大韓産業醫學會 2005 대한직업환경의학회지 Vol.17 No.4
Background and Purposes: Over the past three decades, numerous studies performed in Korea have reported that job stress is a determinant risk factor for chronic diseases and work disability. Every society has its own culture and occupational climate particular to their organizations, and hence experiences different occupational stress. An occupational stress measurement tool therefore needs to be developed to estimate it objectively. The purpose of this study is to develop and standardize the Korean Occupational Stress Scale (KOSS) which is considered to be unique and specific occupational stressors in Korean employees. Subjects and Methods: Data were obtained from the National Study for Development and Standardization of Occupational Stress (NSDSOS Project: 2002-2004). A total of 12,631 employees from a nationwide sample proportional to the Korean Standard Industrial Classification and the Korean Standard Occupational Classification were administered. The KOSS was developed for 2 years (2002-2004). In the first year, we collected 255 items from the most popular job stress measurement tools such as JCQ, ERI, NIOSH and OSI, and 44 items derived from the a qualitative study (depth interview). Forty-three items of KOSS, in the second year, were retained for use in the final version of the KOSS by using Delphi and factor analysis. Items were scored using conventional 1-2-3-4 Likert scores for the response categories. Results: We developed eight subscales by using factor analysis and validation process: physical environment (3 items), job demand (8 items), insufficient job control (5 items), interpersonal conflict (4 items), job insecurity (6 items), organizational system (7 items), lack of reward (6 items), and occupational climate (4 items). Together they explained 50.0% of total variance. Internal consistency alpha scores were ranged from 0.51 to 0.82. Twenty-four items of the short form of the KOSS (KOSS-SF) were also developed to estimate job stress in the work setting. Because the levels of the subscales of occupational stress were gender dependent, gender-specific standard norms for both the 43-item full version and the 24-item short form using a quartile for the subscales of KOSS were presented. Conclusion: The results of this study suggest that KOSS might be an appropriate measurement scale to estimate occupational stress of Korean employees. Further and more detailed study needs to be conducted to improve the validity of this scale.
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