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이동석,권순각 한국멀티미디어학회 2019 멀티미디어학회논문지 Vol.22 No.12
In this paper, an prediction method is proposed for coding of depth pictures using spherical modeling. An spherical surface which has the least error from original depth values is modeled in a block. Pixels in the block are predicted through the parameters of the modeled spherical surface. Simulation results show that average prediction errors and entropy powers are improved to 30% and 200% comparing to the intra prediction of H.264/AVC, selection ratios of the proposed spherical modeling mode is more than 25%.
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디젤엔진 피스톤용 SCM440 의 레이저 표면경화부의 잔류응력
이동석,유웅재,김재도 ( D . S . Lee,W . J . Yoo,J . D . Kim ) 한국열처리공학회 1995 熱處理工學會誌 Vol.8 No.3
SCM440, which is widely used as the diesel engine piston of vessel, has been hardened by a CO₂laser with the wavelength of 10.6㎛. Laser hardening experiment has been carried out for the condition of a laser power 1㎾, the travel speed between 0.4 and 1.5m/min, and a rectangular-Gaussian beam. Residual stress has been measured by using middle point technique of half value width of X-ray diffraction method. It was found that the compressive residual stress with the range between 400 and 600㎒ has distributed in the laser hardening zones and the tensile residual stress between 100 and 200㎒ has distributed in the boundary of hardening zones.
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이동석 한국장애인복지학회 2017 한국장애인복지학 Vol.- No.36
UN Committee on the rights of persons with disabilities noted that the new adult guardianship system is substituted decision-making in korea, and recommended that the State party move from substitute decision-making to supported decision-making. To achieve the insight, the laws which is implemented for supported decision-making in five states of Canada are analysed comparatively. The notion of decision-making, legal capacity, and mental capacity are also reviewed. As a result of comparative analysis, though there are much similar point, there are also differences in entrance way into support relationship, the term and the role of decision making supporter, and the definition of decision making capacity. By this study, we can find it necessary to use minimally the current guardianship system and to create the various supported decision-making system. It is also necessary for capacity assessor to assess the mental capacity, and also necessary to support and monitor the decision making supporter. 장애인권리협약위원회는 우리나라의 성년후견제도를 대체의사결정으로 규정하면서 지원의사결정으로 전환하기를 권고한 바 있다. 이에 따라 이 연구는 지원의사결정제도를 잘 확립한 것으로 여겨지는 캐나다의 5개 주에서 시행되고 있는 지원의사결정제도 법령을 비교분석하였다. 또한 이론적 토대를 위해 의사결정의 개념, 법적 역량과 정신역량의 개념을 살펴봄으로써 대체의사결정과 지원의사결정의 개념을 보다 명확히 하였다. 캐나다 5개 주의 법령을 비교분석한 결과 비슷한 점도 많았지만, 지원관계의 성립방식, 지원자를 지칭하는 용어, 의사결정지원자의 권한, 의사결정역량의 정의 측면에서 차이점이 있었다. 또한 분석결과 우리나라는 현행 성년후견제도를 최소한으로 사용하면서, 다양한 형태의 의사결정지원자를 만들 필요가 있으며, 의사결정역량 평가자에 의한 역량평가가 이루어질 필요가 있고, 의사결정지원자에 대한 지원과 더불어 감독 및 처벌이 필요한 것으로 나타났다.
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장애인 정치세력화 측면에서의 21대 총선 평가와 향후 과제
이동석 한국장애인복지학회 2020 한국장애인복지학 Vol.49 No.49
This study established the notion of disabled people`s political empowerment by investigating the papers on the women`s political empowerment, and set up the 3 elements of disabled people`s political empowerment such as acquisition of political power, political power formation of voters with disabilities, and popularization of disability movement. From the 3 aspects, this study evaluated the process of proportional representation of disabled people in 21st general election. The political power is more achieved in the quantitative aspect because 3 disabled people are elected in this election, comparing 0 elect of proportional representation of disabled people in 20th general election. However, it is not a very satisfactory result compared to other fields. In addition, it is judged that the political power of voters with disabilities has not been achieved because the policy related to disability has not become an election issue. The popularization of disability movement, which is made possible by bringing the general public with disabilities who are not interested in politics into politics, also seems to have not been achieved, because the forces of the disability movement have little influence on the process of selecting candidates for the proportional representation of each political party and simply reduce it to the party's problems. 본 연구는 장애인보다 먼저 정치세력화 논의가 진행된 여성계의 정치세력화 논의를 검토하여 ‘장애인 정치세력화’의 개념을 정립하였고, 정치부문 세력화, 장애인 유권자 세력화, 장애 운동 대중화를 장애인 정치세력화 구성요소로 설정하였다. 이에 따라 세 측면에서 21대 국회의원 선거 중 장애인 비례대표 선출과정을 분석하였다. 분석결과 일단 수적인 측면에서 한 명의 비례대표 국회의원도 배출하지 못한 지난 20대 국회에 비해 이번에는 장애인의 실체적 권력획득 수준은 높아졌다. 하지만 타 분야와 비교해 보면 아주 만족스러운 결과라고 할 수는 없다. 또 장애 관련 정책이 선거 이슈가 되지 못함에 따라 장애인 유권자 정치세력화는 이루어지지 못한 것으로 판단된다. 또 장애 운동 세력은 각 정당의 비례대표 후보 선출과정에 별다른 영향력을 행사하지 못하고, 단순히 각 정당의 당내 문제로 환원시켜 버림에 따라 정치에 관심이 없는 일반 장애 대중을 정치에 참여시킴으로써 가능해지는 정치세력화도 이루어지지 못한 것으로 보인다. 이에 따라 장애인 정치세력화를 이룰 수 있는 향후 과제를 제언하였다.
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이동석,김영규,정용욱 대한심장학회 2010 Korean Circulation Journal Vol.40 No.12
Background and Objectives: Pulmonary arterial hypertension (PAH) is a life threatening disease characterized by progressive pulmonary arterial occlusion which may ultimately result in death. Currently, the available treatments are diverse, but no therapy alone can reverse the disease process although they may have some clinical benefits. This study was designed to investigate single and combination therapy of simvastatin and sildenafil, which have different mechanisms of action, in monocrotaline (MCT)-induced PAH. Meterials and Methods: Rats were randomized to receive saline (control, n=8) or MCT treatment (n=32). MCT treated rats were randomized to vehicle, simvastatin (2 mg/kg/day), sildenafil (25 mg/kg/day) and a combination simvastatin and sildenafil (n=8, respectively). Three weeks later, hemodynamic study and histologic changes of pulmonary arterioles were measured. Proliferating cell nuclear antigen (PCNA) as well as Western blot for endothelial nitric oxide synthase (eNOS) were performed. Results: Systolic right ventricular pressure was significantly decreased in monotherapy groups (simvastatin and sildenafil) and the combination group compared to MCT group (p<0.05). Right ventricular hypertrophy and medial wall thickness of pulmonary arterioles were significantly attenuated with sole and combination therapy (p< 0.05). However, combination therapy did not confer additive benefits over monotherapy. Altered PCNA or eNOS in lung tissue was normalized by either monotherapy or combination therapy. Conclusion: The results suggest that either simvastatin or sildenafil has the therapeutic potential in MCT-induced PAH, although combination therapy of these two drugs has failed to show greater benefits in the study
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