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식행동, 식생활 환경을 반영한 청소년의 식생활·영양 실천 평가 항목 개발
임지민(Jimin Lim),서혜지(Hye Ji Seo),오지은(Jieun Oh) 한국영양학회 2024 Journal of Nutrition and Health Vol.57 No.1
Purpose: A comprehensive evaluation item was developed to assess adolescent dietary habits and nutritional practices, considering food intake, eating behaviors, and food culture, such as social support and food environment. Methods: The 59 candidate items of the evaluation checklist were obtained based on the results of the eighth Korea National Health and Nutrition Examination Survey data, Korea Dietary Reference Intakes, dietary guidelines for adolescents, Youth Risk Behavior Survey data, national nutrition policies and dietary guidelines, and literature reviews. Four hundred and three middle and high school students residing in metropolitan areas participated in a survey using the 58-item checklist, which was selected through expert evaluation and content validity ratio analysis. The construct validity of the assessment tool for the quality of adolescent diets was assessed by exploratory factor analyses to determine if the checklist items were organized properly and whether the responses to each item were distributed adequately. Results: The Bartlett sphericity test was significant for each area (p <0.001), and the eigen values were greater than one. The Kaiser-Meyer-Olkin and cumulative proportions by areas were food intake (0.765 and 56.8%, respectively), eating behaviors (0.544 and 64.8%, respectively), and food environment (0.699 and 62.4%, respectively). Twenty-two checklists were determined for the final evaluation items for the adolescents’ dietary habits and nutritional practices and were categorized into three distinct factors: food intake (10 items), eating behaviors (4 items), and food environment (8 items). Conclusion: The evaluation items for adolescent dietary habits and nutritional practices is a useful checklist for easily and quickly assessing the dietary qualities and reflecting Korean adolescents and their food environmental factors related to a sustainable diet.
얼굴 인식을 통한 신뢰성 있는 디지털 도어록 제어 시스템
임지민,김찬,차원석,한태문,허규원,송상근,이상준,Lim, Jimin,Kim, Chan,Cha, Wonsuk,Han, Taemoon,Huh, Guewon,Song, Sanggeun,Lee, Sangjun 한국전기전자학회 2013 전기전자학회논문지 Vol.17 No.4
Automation is being progressed rapidly in various fields with the advancement of IT technology. Home automation is a typical application and is being used in a variety of ways now. Most of digital door lock systems simply support to open and close a door using the methods of password and a particular magnetic key. In this paper, we propose a intelligent digital door lock system using face recognition technology. Our proposed system can control the locking device opening and closing from a remote location after confirming the identification of the visitor via a smart device, and support the reliable and secure control of door systems. IT 기술 발전과 함께 다양한 분야에서 자동화가 진행되고 있다. 홈오토메이션 또한 현재 다양한 형태로 적용되고 있다. 현재 이용 중인 디지털 도어록 시스템은 단순히 비밀번호 입력 및 마그네틱 전자키 방식을 통한 잠금장치의 개폐만을 지원하고 있다. 본 논문에서는 홈오토메이션과 디지털 도어록 시스템 안전성 확보를 위한 지능화된 얼굴인식기술을 활용한 도어록 시스템을 제안한다. 제안 시스템은 원격지에서 방문자의 신원을 확인한 후 이를 바탕으로 잠금장치의 개폐를 조정할 수 있으며, 이를 통해 안전한 출입 통제 관리가 가능하도록 지원해준다.