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SunMi Kim,JaeWoo Jung,InWon Park,ChulMin Ahn,YuIl Kim,KwangHa Yoo,EunMi Chun,JiYe Jung,YoungSik Park,JuHeon Park,JaeYeol Kim,Korean Smoking Cessation Study Group 대한신경정신의학회 2016 PSYCHIATRY INVESTIGATION Vol.13 No.2
Objective-As mental health problems may play an important role in initiating and maintaining cigarette smoking in females and there are an increasing number of female smokers, we evaluated the relationship between smoking status and mental health problems including depression and suicide ideation in women in Korea. Methods-We analyzed the 5-year cumulative data (19 years of age or older, n=32,184) from the Korean National Health and Nutrition Examination Survey (KNHANES) conducted from 2008 to 2012. Logistic regression analyses were used to evaluate associations between cigarette smoking status and mental health parameters while controlling for potentially confounding variables. Results-Among current smokers, females showed higher lifetime prevalence in having a depressive episode, a doctor-diagnosed major depression, a current diagnosis of depression, or receiving treatment for depression in comparison with males. In addition, females were more likely to report on having a depressive episode, suicidal ideation and attempts, and psychiatric counselling within the previous year, as compared to males. Female former smokers showed intermediate characteristics in parameters of mental health status within the previous year, ranking between lifetime non-smokers and the current smokers. Conclusion-Identifying the factors related to mental health status among current smokers can increase opportunities for an early intervention and help reduce the prevalence of smoking and increase smoking cessation rates particularly in females. Developing adaptive coping strategies other than smoking in female youth is potentially important in reducing the initiation of smoking.
Juheon Lee,Yohan Park,주상우,손영구 대한화학회 2014 Bulletin of the Korean Chemical Society Vol.35 No.11
Eu(III)-doped CeO2 nanorods were prepared by a co-precipitation method at room temperature, and their photoluminescence profiles were examined with different Eu(III)-doping concentrations and thermal annealing temperatures. Scanning electron microscopy, X-ray diffraction crystallography and UV-Vis absorption spectroscopy were employed to examine the morphology, crystal structure and photon absorption profiles of the nanorods, respectively. Additionally, their 2D and 3D-photoluminescence profile maps were obtained to fully understand the photoluminescence mechanism. We found that the magnetic dipole 5D0 → 7F1 and the electric dipole 5D0 → 7F2 transitions of Eu(III) were highly dependent on the doping concentration, annealing temperature and excitation wavelength, which was explained by the presence of different Eu(III)-doping sites (with and without an inversion center) in the CeO2 host with a cubic crystal structure.
Lee, Juheon,Park, Yohan,Joo, Sang Woo,Sohn, Youngku Korean Chemical Society 2014 Bulletin of the Korean Chemical Society Vol.35 No.11
Eu(III)-doped $CeO_2$ nanorods were prepared by a co-precipitation method at room temperature, and their photoluminescence profiles were examined with different Eu(III)-doping concentrations and thermal annealing temperatures. Scanning electron microscopy, X-ray diffraction crystallography and UV-Vis absorption spectroscopy were employed to examine the morphology, crystal structure and photon absorption profiles of the nanorods, respectively. Additionally, their 2D and 3D-photoluminescence profile maps were obtained to fully understand the photoluminescence mechanism. We found that the magnetic dipole $^5D_0{\rightarrow}^7F_1$ and the electric dipole $^5D_0{\rightarrow}^7F_2$ transitions of Eu(III) were highly dependent on the doping concentration, annealing temperature and excitation wavelength, which was explained by the presence of different Eu(III)-doping sites (with and without an inversion center) in the $CeO_2$ host with a cubic crystal structure.
정주헌(Jeong, Juheon),윤명석(Yoon, Myeongsuk),김상준(Kim, Sangjoon),박구만(Park, Gooman) 한국방송·미디어공학회 2019 한국방송공학회 학술발표대회 논문집 Vol.2019 No.11
가상현실과 증강현실의 대중화로 사람의 동작을 실시간 3D 애니메이션으로 구현하는 연구가 활발히 진행 중이다. 특히 Microsoft에서 키넥트 (Kinect)를 개발함에 따라 저렴한 가격에 부가적인 장치 필요 없이 간단한 조작만으로도 3D 모션 정보 취득이 가능해졌다. 하지만 키넥트 카메라는 마커 기반 모션 캡쳐 시스템에 비해 관절 정보의 추정 성능이 뒤떨어져 낮은 정확도를 보이는 단점을 지니고 있다. 이에 본 논문에서는 키넥트 카메라를 이용해 사람의 관절 정보를 취득하고 이것에 관절 가동범위 (Range of Motion, ROM)를 적용하여 비정상적인 동작을 보정하는 시스템을 제안한다. ROM을 구하는 방법으로는 수행자가 모든 관절에 대해 회전 운동을 수행한 뒤 관절들의 회전 운동 정보를 취득, 분석하여 정상적인 ROM을 설정하고 실험으로부터 사람의 동작이 개선되는 것을 확인하였다.