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송현석,안강식,안명석,조석제 한국해양대학교 산업기술연구소 2002 연구논문집 Vol.19 No.-
In content-base video data retrieval, the detection for scene change is needed. Color histogram approaches are generally used. Color histogram approaches are simple and more robust to object and camera movements but they ignore the spatial information and fail when two different frames have similar histograms. We propose a new algorithm to use color histogram and entropy to enhance the false-positive occurred by brightness variation and the miss by similar color histogram. At the experiments, it is more robust to brightness variation and have spatial information.
單크론 抗體를 利用한 結核菌 베타抗原의 精製와 結核性 髓膜炎의 診斷的 應用에 關한 硏究
明錫俊,白太鉉,朴鼎圭,崔大卿 충남대학교 의과대학 지역사회의학연구소 1988 충남의대잡지 Vol.15 No.1
5F3F2 hyridoma cells produce monoclonal antibody which is reactive with a single epitope on the molecule of beta antigen and shows a specificity restricted to Mycobacterium tuberculosis complex. Ascitic fluids were produced by an intraperitoneal injection of 5.0 x 10^6 hybridoma cells into Balb/c mice previously sensitized with pristane. The reactive pattern of ascitic fluid with reference beta antigen was analyzed by Western blot. Purification of 5F3F2 monoclonal antibody from ascitic fluid was performed by a single step method using hydroxylapatite chromatography. Beta antigen from the cell extract of Mycobacterium tuberculosis was purified by affinity chromatography with 5F3F2 monoclonal antibody and checked its molecular characterization by SDSPAGE. Finally, affinity purified beta antigen was applied for its potential diagnostic utility in dection of IgG antibody in the cerebrospinal fluids of 12 patients with tuberculous meningitis and 24 non-tuberculous patients by ELISA at the CSF dilution of 1 : 5. The results were summarized as follows: 1. Ascitic 5F3F2 monoclonal antibody was reacted with a major band of 83-kDa and a minor band of l l0-kDa molecule of reference beta antigen on Western blot. 2. 5F3F2 monoclonal antibody was purified directly from ascitic fluid by a single step purification of hydroxylapatite chromatography. 3. Affinity purified beta antigen showed two distinct bands of 83-kDa and 52-kDa molecules on SDS-PAGE. 4. The mean ELISA values of IgG antibody activities to affinity purified beta antigen in CSF of 12 patients with tuberculous meningitis and 24 controls were 0.866±0.607 and 0.058±0.040, respectively. The specificity and sensitivity were 96.5% and 93.1%. These results suggest that the major molecule of beta antigen is 83-kDa and the affinity purified beta antigen is useful for the diagnosis of tuberculous meningitis.
강명주,지삼룡,박석주,이재익,조영완,김준영,박성재,박은택,이연재,이상혁,설상영,배상균 인제대학교 2006 仁濟醫學 Vol.27 No.-
Carcinoid tumors have been reported in a wide range of organs but most commonly involve the lungs, bronchi and gastrointestinal tract. Within the gastrointestinal tract, appendix is the most common location for carcinoid, followed by the distal small intestine, the rectum, and the stomach. Among these, primary involvement of the ampulla of Vater is extremely rare. We report a case of carcinoid tumor of ampulla of Vater. A 62-year-old man presented with epigastric soreness. Gastroduodenal endoscopy showed hyperemic bulging mass on ampulla of Vater and diagnosed as carcinoid tumor by histologic finding, with immunohistochemical study. In ^(111)In-octreoscan, tumor had regional lymph node metastasis, but no evidence of distant metastasis. Pancreatoduodenectomy with lymph node dissection was performed.
방명석 충주대학교 2006 한국교통대학교 논문집 Vol.41 No.-
It is more reasonable to apply the stochastic finite element method than the deterministic FEM on evaluating the structural behavior. In this study the sensitivity analysis was performed to quantitatively assess the effect on the safety of the cable stayed bridge under the present use. The numerical analysis program was developed by using the perturbation method including the initial profile analysis method. This program was verified by the Monte Carlo simulation method. The results of the sensitivity analysis shows that the most governing parameter is the external force. The variation of external forces is very sensitive to the structural response of cable stayed bridges. However, the importance of member stiffness and tensile forces of cables cannot be negligible.
홍명석,하옥남 조선대학교 동력자원연구소 1995 動力資源硏究所誌 Vol.17 No.1
Swirling flow in a motored engine with a bowl-in type piston was measured by Laser Doppler Velocimetry(LDV). Through the detailed measurements at several sections along the cylinder axis, flow characteristics in the piston bowl and squish area were revealed. Rising of swirl level occurs from the upper section near the bowl rim and propagates to the lower part decreasing its rising level. At the rising peak, swirl profile in the bowl shows the solid-body-rotation pattern. On the other hand, swirl in the squish area near TDC decreases rapidly to have a free-vortex-like profile. Although the periodic oscillation and uneven axial distribution of swirl are detected in the early compression stroke, the angular momentum averaged over measuring planes decays monotonously.
무선 네트워크 환경에서 멀티미디어 트래픽을 위한 향상된 대역폭 예약 기법
정영석,류명춘 경운대학교 산업기술연구소 2001 産業技術硏究論文誌 Vol.3 No.2(C)
무선 네트워크 환경에서 대규모 멀티미디어 트래픽을 위한 서비스 품질의 향상을 위해서는 핸드오프 시 발생하는 연결 중단 확률을 최소화하는 것이 중요한 관건이다. 이를 위하여 본 연구에서는, 이동호스트의 이동성을 예측하여 이동 가능성이 높은 셀의 주파수 대역을 예약하는 방안을 제시한다. 본 논문에서 제시하는 향상된 대역폭 예약 기법에서는 한 셀 내의 호스트를 지역성 호스트와 이동성 호스트로 분류한다. 이에 따라 이동성 호스트로 구분될 경우에만 이동할 셀의 주파수 대역을 예약함으로써 불 필요한 대역폭 예약을 막을 수 있기 때문에 주파수 대역의 효율적인 관리가 가능하다.
건강가정지원센터 가정생활교육 프로그램 운영 및 성과 : 용산구·숙명여자대학교 시범사업을 중심으로
김명자,계선자,박미석,장진경,김연화,한은주,류진아 한국가족관계학회 2005 한국가족관계학회지 Vol.10 No.1
The purpose of this study is to propose a model for service programs and management strategies for the division of family education in Healthy Families Center. For the purpose, the researchers find out demands for the family education programs of people in Yong-San Gu, Seoul, exam the effect of each family education program of Yong-San Gu & Sookmyung Women's University Healthy Families Center from June to December, 2004. According to the results, people in Yong-San Gu need economic education service mostly, and they want to study at Saturday afternoon. The programs show positive effect on the improvement of family health.