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밝기를 보존하는 Multi-SMQT 기반의 콘트라스트 개선
박강서(Kang-Seo Park),박래홍(Rae-Hong Park) 대한전자공학회 2007 대한전자공학회 학술대회 Vol.2007 No.7
This paper proposes a natural contrast enhancement algorithm that preserves the brightness of an image. In the case that an image has the partially dense distribution of intensity, conventional contrast enhancement algorithms degrade the image quality because they excessively change the intensity values. In contrast to convention algorithms, the proposed method is able to obtain a natural image with the high contrast using the concept of brightness preservation. The experimental results show the effectiveness of our algorithm.
M.Tr 87Ry 2and CT 회로 오결선 등 개선사례 분석
박강서(kang-seo Park),박준성(jun-sung Park),최종수(Jong-soo Choi) 한국조명·전기설비학회 2008 한국조명·전기설비학회 학술대회논문집 Vol.2008 No.5월
사업용전기설비에 대한 사용전검사 수행 중 전기설비기술기준 및 판단기준에 부합되지 않거나 공사계획신고의 기술시방서 및 설계도서 등의 내용과 일치 않는 부분에 대한 시정 조치한 개선사례를 분석하고 이를 전파하여 전기재해 예방에 도움을 주고자 하며, 향후에도 중요 개선사례들을 지속적으로 발굴하여 현장 전력기술 능력 향상을 위하여 노력해 나아가고자 한다. The analysis about cases which does not correspond in electric equipment technical standard and judgement standard while doing pre inspection, it improves the technical specifications and the draft of construction plan. The analysis of the reform cases prevents the electric disaster and propagates the electrical safety. Hereafter the reform cases will improve the electric technical ability and help the electrical safety of the yard.
154㎸ 지중송전선로 케이블시스 접지회로 순환전류 검토
박강서(Kang-seo Park),전준만(Jun-man Jeon),김태동(Tae-Dong Kim),김기성(Kr-Song Kim),최종수(Jong-soo Choi) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.4
This study indicates that wiring conditions are different from the drawing during the design and construction of IJB(Insulation Joint Box} Used in connection section between cables of 154kV substation TIL under construction. We analyzed the problem taking place during the construction in order to solve the problem of the connection section between cables and take measures. Since this measure is taken through improvement measures and case analysis, it is considered to be used for reference in case of TIL construction and design.
박강서(Kang-seo Park),박정은(Jung-eun Park),박광수(Kwarg-soo Park),최종수(Jong-soo Choi),강갑석(Kab-seok Kang) 한국조명·전기설비학회 2011 한국조명·전기설비학회 학술대회논문집 Vol.2011 No.5월
전력계통이 초고압, 대규모화되고 대용량 전력설비들의 고신뢰도 운전이 한층 요망되고, 가공전선로의 경과지 확보가 어려운 환경에서 해저케이블의 건설 기법 도입 되고 있다. 현재 도서지역 및 대규모 하천을 횡단시 물밑전선로 시공법을 개발 및 적용하여 건설이 되고 있으나 물밑전선로의 공정 특성상 굴착/포설, 되메우기등일련의 공정이 연속적으로 진행됨에 따라 검사시기 불일치 시 검사입회가 불가하여 사용전 검사시 선로의 안정성과 위험요소들을 파악할 수가 없어 중간검사를 통하여 케이블 및 시공의 신뢰성과 안정성을 확보해야 하며 향후 지속적인 연구와 관심이 뒷받침되어져야 할 것이다. High-voltage electric power system, becoming large scale operation, high reliability of power facilities and more factory, processing aerial transmission line route of securing the construction of submarine cable in a difficult environment, techniques are being introduced. The present book, and a large river crossing the region during the development and application of underwater transmission line construction method is the construction process, but the nature of underwater transmission line excavation/laying, and a series of refilling process progresses continuously scan the possible presence of time inconsistency inspection before using the test track at the risk factors of stability and I do not understand them through the cable and construction of the middle test of reliability and to ensure the stability and continued research and interest in the future will be backed
Menetrier 병에 동반된 낭성 심재성 위염 1 예
박기현(Kee Hyun Park),성시경(Shi Gyeong Seong),김덕기(Deok Ki Kim),류창수(Chang Soo Ryu),이방희(Bang Hee Lee),이현상(Hyun Sang Lee),고정희(Jung Hee Ko),박강서(Kang Seo Park),최호순(Ho Soon Choi),최덕례(Duck Yeii Choi),박미자(Mee Ja P 대한내과학회 1995 대한내과학회지 Vol.48 No.6
Menetrier's disease, hypertrophec gastritis or hypertophic gastropathy, with mucosal hypertrophy in which the enlarged gastric rugae involved part or all of the stomach giving the appearance of cerebral convolutions. The enlarged rugae which characterize this disease are not attributable to lymphoma, infiltrative carcinoma or non-neoplastic disease, such as syphilis, tuberculosis kor sarcoidosis. Most impressive of Histologic features if the expanded or thickened mucosa, are mostly to an elongation of the foveolae, which become tortuous or corkscrew. Often these elongated pits will extended to the base of the mueosa where they may become cystic. On occasion, the deep cysts may apper to penetrate the muscularis mucosae and extend into the superficial submucosa, where they are surrounded by bundles of smooth muscle, another example of gastric cystica profunda. Gastritis cystica profunda is a rare condition in which mature glandular epithelium extends into the tissues beneath the muscularis in which mature glandular epithelium extends into the tissues beneath the muscularis mucosae. Benign gastric pseudotumor, gastritis cystica profunda, posses malignant histological features but functionally benignly. It is an analogous to similiar conditions affecting the small and large intestines that are called, repectively, enteritis and colitis cystica profunda. The proposed pathogenesis of these abnormalities relates to ischemia, chronic inflammation, and the presence of a foreign body. We present a case of Menetrier's disease assocated with gastritis cystica profunda and a brief review of clinical and pathologic pictures and management.