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李性淇,姜明珍 조선대학교 환경연구소 1990 環境公害硏究 Vol.7 No.-
Marine pollution based on the domestic and foreign data for the recent 10 years is analysed, investigated. The prevention methods and the countermeasures are studied as following. The oil pollution by ship is 1,426 cases in the whole 1,782 cases, occupied 80%. The artificial pollution as carelessness of dealing(45%) and intentional discharge (33%) is 78%. Heavy oil is occupied the majority as 79%. The methods of prevention of oil pollution are those that the physical (oil fences, oil skimmer), the chemical (oil dispersent, oil absorbent) and the destroying of oil by fire. The prevention countermeasures of oil pollution are those that the prevention duty systems for the marine pollution to be unification instead of pluralism, the prevention systems for the pollution suitable for practical state, the education and campaign for the marine pllution, the utilization of the computer simulation program and the remote sensing for the accidents, the keeping the observing and prevention equipments for the pollution.
Active Contour Model과 유전 알고리즘을 이용한 의료 영상 분할
이성기 대한의용생체공학회 2000 의공학회지 Vol.21 No.5
본 논문에서는 active contour model과 유전 알고리즘을 이용하여 의료영상에서 해부학적 객체의 경계선을 자동으로 추출하는 방법을 제안한다. active contour model의 성능은 active contour model의 에너지를 최적화 하는 방법에 크게 영향을 받는다. 본 논문에서는 유전 알고리즘을 이용하여 active contour model의 에너지를 최적화 하는 방법을 제안한다. 본 방법을 대퇴골두 의료영상에 적용하여 실험하였으며, active contour model의 초기화에 관계없이 성공적인 결과를 얻었음을 보였다. In this paper, we propose the method to extract the anatomical objects in medical images using active contour models and genetic algorithms. The performance of active contour models is mostly decided by the optimization of active contour model's energy. So, we propose to use genetic algorithms to optimize the energy of active contour models. We experimented our proposed method on the femoral head medical images and proved that our method provides very acceptable results from any initialization of active contour models.