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남해중앙부해역의 표층퇴적물중 유기물과 와편모조류 시스트 분포
박종식(J. S. Park),윤양호(Y. H. Yoon) 한국해양환경·에너지학회 2004 한국해양환경공학회 학술대회논문집 Vol.2004 No.-
Field survey on the marine environmental characteristics by the distribution of dinoflagellate cysts and organic matter was carried out bimonthly at 15 stations in the central parts of South Sea, Korea from April 2002 to January 2003. The range of environmental factors on vertical sediments such as water content, ignition loss (IL), chemical oxygen demand (CODs), particulate organic carbon (POC), particulate organic nitrogen (PON) and phaeopigmant were 38.72-68.87% 3.86-12.52%. 9.60-44.05 ㎎O₂/g dry, 3.12-13.14 ㎎C/g dry, 0.49-2.01 ㎎N/g dry and 1.61-29.51 ㎍/g dry, respectively. A total of 33 species dinoflagellate cysts belonged to 18 genera, 31 species, and 2 unidentified species. A cysts density were 42~2,880 cysts/g dry. The dominant species of dinoflagellate cysts were Spiniferites bulloideus and Scrippseilla trochoidea all the year and autotrophic species was more abundant than heterotrophic species. As the results of field survey grain size, organic matter and dinoflagellate cyst were to be closed, and these value were more highly offshore than nearshore.
멀티뷰 깊이 영상을 활용한 저조도 환경에서의 사용자 시선 방향 예측
김정화(Jung-Hwa Kim),정진우(Jin-Woo Jeong) 한국HCI학회 2020 한국HCI학회 학술대회 Vol.2020 No.2
사용자 시선 방향의 정확한 추정은 상호작용 시스템 내에서 사용자 의도를 이해하기 위한 중요한 요소들 중 하나이다. 그러나, 기존의 시선 추정 관련 연구들은 디스플레이가 사용자의 전면 부에 매우 가까이 위치해 있으며 일반적인 조명 조건을 가지는 단일 디스플레이 환경과 같은 통제된 실험 조건에서 주로 진행되어 왔다. 다양한 조명 상태를 가지거나 다방면의 벽 디스플레이와 같은 진보된 상호적인 환경 내에서 사용자의 요구 사항을 처리하기 위해, 본 논문에서는 멀티뷰 depth 이미지를 사용한 새로운 사용자 시선 추정 방법을 제안한다. 제안하는 연구는 5 명의 피험자들로부터 촬영한 depth 이미지를 딥러닝 모델 및 전통적인 기계학습 알고리즘에 적용하여 성능 평가를 진행한다. 실험결과로부터 제안하는 접근법이 싱글뷰 기반의 접근법과 비교하여 향상된 성능을 제공하는 것을 입증하였다.
이경용 ( K Y Rhee ),김영선 ( Y S Kim ),김기식 ( K S Kim ),박종식 ( J S Park ),서동욱 ( D U Seo ),김혜민 ( H M Kim ) 한국안전학회(구 한국산업안전학회) 2014 한국안전학회지 Vol.29 No.6
The statistics of occupational injuries and illnesses is one of the most important indicators of worker``s safety and health in the field of occupational safety and health. The conventional statistics was produced without consideration of gender difference. This study was planned to investigate the difference of occupational injuries and illnesses by gender because that recently female workers was increased through the change of industrial structure such as from manufacturing dominated to service dominated structure. Statistics of occupational injuries and illnesses collected by workmen``s compensation insurance system that have no information about gender composition of population. Economically active population survey was used to calculated the rate of occupational injuries and illnesses by gender. The distribution of estimated rate of occupational injuries and illnesses by industry, occupation and the type of accident were different between male and female employees, but those by the size of enterprise, age of the injured, the duration of the first recuperation, and job tenure were similar between male and female employees. This study has shown that gender sensitive approach may be applied to policy of occupational safety and health because that gender neutral perspective may not discover the fact of gender specific problems.