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조주연,조경원,Cho, Ju-Yeon,Cho, Kyoung Won 한국정보통신학회 2018 한국정보통신학회논문지 Vol.22 No.12
본 연구는 인터넷 뉴스 사이트에 실린 청소년 문제를 탐색하고 그 동향을 파악하는데 목적이 있다. 국내 인터넷 뉴스 사이트 중 2018년 기준으로 상위 3위의 '조선일보', '동아일보', '중앙일보' 뉴스 사이트를 대상으로, 1993년부터 2018년 상반기까지 총 8,110건의 청소년 문제 관련 기사가 분석에 활용되었다. 연구 결과 최근 26년간의 인터넷 뉴스 사이트에서 청소년 문제가 어떤 주제로 기사화되어 왔는지 파악하였으며, 기사 추이가 청소년 문제와 관련된 시대별 환경, 정책, 문화 등을 고려하여 변화되어 왔음을 파악할 수 있었다. 본 연구는 기존 청소년 문제의 사회적 동향을 살펴보기 위한 방법에서 시작하여 청소년 문제나 청소년 상담의 범위를 확장하고 다양성을 고려하는데 정량적인 분석 방법을 사용하고 새로운 정보를 제공하는 것에 의의가 있다. The purpose of this research is to search for and identify trends in adolescent problems on internet news sites. Among the domestic internet news sites, 8,110 articles on adolescent problems from 1993 to 2018 were analyzed for the top three top-ranked 'The Chosunilbo', 'The Dong-A Ilbo', and 'Korea Joongang Daily' news sites. As a result of this study, we have been able to understand the topic of adolescent problems in internet news sites for the last 26 years and find out that the trend of articles has been changed considering the environment, policies and culture related to adolescent problems. This study is meaningful to start from the method to examine the social trends of existing adolescent problems, to expand the scope of adolescent problems and counseling, to use quantitative analysis methods and to provide new information to consider diversity.
조주연(Ju-yeon Cho),조우종(Woo-jong Cho),박정호(Jung-ho Park),김경수(Kyung-soo Kim) 제어로봇시스템학회 2010 제어·로봇·시스템학회 논문지 Vol.16 No.5
As high quality image is required for digital cameras in recent use, the image stabilization technique has drawn much attention to prevent image degradation from shaky disturbance by users. In this paper, the optical image stabilization (OIS) system for DSLR (Digital Single Lens Reflex) camera is considered. First, the analytic model of an OIS system is presented to demonstrate the mechanism of image destabilization due to unknown disturbance that causes blurry images on CCD sensor. Then, to enhance the stabilization performance, a sliding mode control based on the min-max nonlinear control is introduced. Through the experiments and simulations, the effectiveness of the proposed method will be verified.
외과적 절제술과 OK-432 경화요법을 병용한 임파관종의 치료:
조주연(Ju-Yeon Cho),차두원(Duwon Cha),백상흠(Sang-Heum Baek),이주덕(Ju-Duck Lee) 대한구강악안면외과학회 2006 대한구강악안면외과학회지 Vol.32 No.3
Lymphangiomas are benign tumors of the lymphatic system characterized by congenital lymphatic malformation such as anastomosis or obstruction of the lymphatic channels. They are most frequently diagnosed in children younger than 2 years, and the lymphangiomas in head and neck represent about 50-75% of all lymphangiomas. Spontaneous regression is rare, and rapid enlargement occurs secondary to infection or trauma. Enlargement may cause serious sequence such as airway obstruction, feeding difficulties, and cosmetic problems. Treatments previously used for lymphangiomas include surgical excision and intralesional injection of sclerosing agents. Problems associated with surgical excision include the risk of scarring, damage to surrounding vital structure and the high risk of incomplete excision. The sclerosing agents previously used have numerous local and systemic side effects as their problems. We present a case of lymphangioma occured in tongue that was treated by surgical excision and sclerotherapy with OK-432.