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김보형(Bo Hyoung Kim),서진욱(Jinwook Seo),신병석(Byeong-Seok Shin),신영길(Yeong Gil Shin),강흥식(Heung Sik Kang) 한국정보과학회 2000 정보과학회논문지 : 시스템 및 이론 Vol.27 No.5
이진 볼륨 데이타(binary volume data)는 외과 수술 시뮬레이션(surgical simulation)이나 컬러 볼륨 렌더링과 같이 그레이-스케일 볼륨(gray-scale volume)을 이용하기에는 부적절한 분야에서 유용하게 사용된다. 본 논문에서는 이진 볼륨을 효과적으로 표현하기 위해서 새로운 자료구조인 슬라이스 기반이진 쉘(SBS : Slice-based Binary Shell)을 제안하고, 이 자료구조를 이용한 렌더링 알고리즘도 함께 제시한다. 슬라이스 기반 이진 쉘은 렌더링을 위해 필요한 최소한의 표면 복셀(surface voxel)들을 슬라이스순으로 저장하고 복셀 좌표의 직접 계산을 가능하게 하기 때문에, 다중 개체(multiple objects)를 포함하고 있는 볼륨을 렌더링할 때 매우 효율적이다. 본 논문에서 제시하고 있는 슬라이스 기반 이진 쉘의 렌더링 알고리즘은 특별한 렌더링 가속 하드웨어가 없는 PC에서 100개 이상의 이진 개체들을 1초 내에 렌더링할 수 있다. Binary volume data has its widespread use in the application of color volume rendering and surgical simulation system where gray-scale volume is inappropriate. For the efficient representation of binary volume, this paper proposes a new data structure - the Slice-based Binary Shell (SBS) - along with its rendering algorithm. Since SBS stores the minimal set of surface voxels in slice order and supports the direct computation of voxel coordinates, it shows high efficiency for rendering multiple objects. The rendering algorithm of SBS running on a PC with no specialized hardware renders more than one hundred binary objects in a second.
제조부문과 사무간접/서비스부문의 6시그마 프로세스 개선활동 비교분석
윤재욱 ( Jae Wook Yoon ),김보형 ( Bo Hyoung Kim ) 한국품질경영학회 2008 품질경영학회지 Vol.36 No.4
There are big differences in six sigma projects between manufacturing processes and transactional/service processes. This paper analyzed the differences between the two areas by examining 18 six sigma case studies in Korean companies. To characterize six sigma case studies, step-by-step questions and check criteria were developed based on 12 step DMAIC methodology. On the basis of those characterized data, the differences between two areas were analyzed. Significant differences were found in the number of CTQs, validation of measurement systems, methods to determine improvement objectives, the methods to elicit improvement plans and types of control systems. The most significant difference was that statistical tools were widely used in manufacturing processes, but qualitative tools were used in transactional/service processes during improvement phase.
현실요법 프로그램이 정신장애인의 회복태도, 내-외부통제력에 미치는 효과
김동주(Dong Joo Kim),김보형(Bo Hyoung Kim),나운환(Woon Hwan Na) 한국재활심리학회 2009 재활심리연구 Vol.16 No.3
This study was conducted to help the patients with mental disorders, to boost the recovery of them through reality therapy programs, to analyze the effect of internal and external controls of patients with mental disorders, and to show the guideline for necessary application of the recovery programs. The program was run for 7 weeks and repeated 12 times for twelve patients (six in the experimental group and six in the control group respectively) diagnosed as schizophrenia. Wilcoxon test in SPSS Win 12.0 statistics programs was used as one of the non-parametic tests. The study result are summarized as follows. First, with the help of the program, the power of internal control from the experimental group was significantly increased and that of external control from was significantly decreased. Second, overall recovery attitudes and the importance of the recovery attitudes factor of the experimental group increased significantly but the effect of the recovery attitude factor 2 did not come out. In conclusion, this program contributes to the improvement of the power of internal-external control and the overall rise in recovery attitudes and the sub-factors such as attitudes toward expectation and possibility but to the attitude towards the overcoming of hardships in recovery. the necessity and the application of the reality therapy programme was discussed through the study result.