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모바일 환경에서 추론을 이용한 의미 기반 이미지 어노테이션 시스템 설계 및 구현
서광원 ( Kwang-won Seo ),임동혁 ( Dong-hyuk Im ) 한국정보처리학회 2017 한국정보처리학회 학술대회논문집 Vol.24 No.1
본 논문에서는 이전의 의미 기반 이미지 어노테이션 및 검색 시스템 Moment(Mobile Semantic Image Annotation and Retrieval System)에 RDF(Resource Description Framework) 추론 기능을 사용한 어노테이션 방법을 제안한다. 이를 위하여 제안된 시스템은 Apache Jena Inference API를 통해 구현되였으며 각 이미지들이 가진 어노테이션의 개수가 증가되었다. 자동으로 추론된 결과 또한 SPARQL 질의를 통해 검색이 가능하며, 기존 어노테이션 결과에 대한 의미 검색을 더욱 효과적으로 할 수 있게 한다.
기관지확장증 환자의 객담 균주 분석: 울산지역의 일개 대학병원 보고
서광원 ( Kwang Won Seo ),황세진 ( Se Jin Hwang ),성시정 ( Shi Jung Sung ),김세진 ( Se Jin Kim ),도기원 ( Gi Won Do ),허성재 ( Seong Jae Hur ),임경훈 ( Kyung Hun Lim ),홍순형 ( Soon Hyung Hong ),김동민 ( Dong Min Kim ),전재범 ( Jae 대한결핵 및 호흡기학회 2009 Tuberculosis and Respiratory Diseases Vol.67 No.6
Background: Bronchiectasis (BE) remains a rare respiratory disease in Korea. This retrospective study was done to investigate the potential pathogenic microorganisms (PPMs) that cause in patients with BE, through the use of sputum specimens. Methods: One hundred eleven adult patients, who had undergone chest computed tomography (CT), sputum gram stain/culture, and BE detected by chest CT, were included in this study. Sputum adequacy was determined by using Murray-Washington classification. Results: The mean (±SD) age of patients was 60.9 (±14.0). The number of PPMs was 167 (67%) in the total 248 isolated organisms. The most frequent PPMs were P. aeruginosa (23.4%), K. pneumoniae (10.5%), and S. aureus (8.4%). The proportion of adequate sputum (AS) was 25.8% in the total sputum specimens. The patients with AS were 41 (37%) and the patients with inadequate sputum (IS) were 70 (63%). The proportion of P. aeruginosa was higher in AS compared to that of IS (44% vs. 19%, p=0.004). The BE score was also higher in P. aeruginosa (+) patients compared to that of P. aeruginosa (-) patients (10.8vs.7.6, p=0.001). Conclusion: Although the proportion of AS in the total sputum was low, PPMs were isolated in most patients with BE. It is likely that P. aeruginosa was isolated in AS and AS patients had higher BE scores.
이혁,김영통,서광원,김서희,신형철,한건수,김일영,이혜경,Lee, Hyeok,Kim, Young-Tong,Seo, Kwang-Won,Kim, Seo-Hee,Shin, Hyeong-Cheol,Han, Kun-Soo,Kim, Il-Young,Lee, Hye-Kyung 대한영상의학회 1997 대한영상의학회지 Vol.37 No.6
Purpose:To analyse the ultrasonographic findings normal thymus in infants and determine the pathologic findings. Materials and Methods:Forty two infants without a history of chronic disease, tumor or steroid therapy were scanned in the axial planes with a 7.0 MHz sector transducer. Bilaterality, homogeneity, and the types, namely bilobate, quadragular or triangular. The intensities of thymic echogenicity were compared with those of the liver and spleen under the same conditions(time-gain compensation, depth and gain). Results:Bilaterality was seen in 36 cases, homogeneity in 35, homogeneity and bilaterality in 29, inhomogeneity and bilaterality in seven, and homogeneity and unilaterality in six. No case showedinhomogeneity and unilaterality. The shape was bilobate in 23 case, quadrangular in 13 and triangular in six, while the other border was convex in 29 cases and straight in 13. In no case wasechogenicity of the thymus greater than that of the liver or spleen. Transverse diameters were echogenicity of the thymus greater than that of the liver or spleen. Transverse diameters were 21-47mm(mean, 37.0mm;SD, 9.4mm) and depths were 10-37.5mm(mean, 25.8mm;SD, 5.9mm). Conclusion:The usual findings of normal thymus in infants are bilaterality and homogeneity, convex or shaight outer border, and echo intensity less than or equal to that of the liver and spleen. The possibility of thymic pathology is suggested when ultrasonography shows uniaterality, inhomogeneous echogeneity, and echogenicity greater than that of the liver and spleen.
산소 에틸렌 토치로 동파이프 절단작업 후 발생한 이산화질소 중독에 의한 비심인성 폐부종 1례
제갈양진,안종준,서광원,차희정,권운정,김양호,JeGal, Yang-Jin,Ahn, Jong-Joon,Seo, Kwang-Won,Cha, Hee-Jeong,Kwon, Woon-Jung,Kim, Yang-Ho 대한임상독성학회 2006 대한임상독성학회지 Vol.4 No.2
Welders are exposed to a number of hazards including metal fumes, toxic gases, electricity, heat, noise, and radiation such as ultraviolet and infrared light. We encountered a patient who developed non-cardiogenic pulmonary edema within a day after cutting copper pipe with an oxyethylene torch. The patient was a 26-year-old welder. He complained of dyspnea, generalized myalgia, and febrile sensation the following morning. The patient's chest X-ray and chest CT scan showed extensively distributed and ill-defined centrilobular nodules. Both his symptoms and chest X-ray abnormalities improved spontaneously. We attributed the patient's symptoms to non-cardiogenic pulmonary edema due to nitrogen dioxide, reasoning that: 1) the pipe consisted only of copper, according to material safety data sheet (MSDS); 2) a previous report in the literature demonstrated increased nitrogen dioxide levels under similar conditions; 3) the patient's clinical course and radiologic findings were very reminiscent of non-cardiogenic pulmonary edema following accidental exposure to nitrogen dioxide.
만성폐쇄성폐질환 환자에서 Beraprost sodium의 효과에 대한 연구: 이중 맹검 무작위 임상시험
이상도 ( Sang Do Lee ),서광원 ( Kwang Won Seo ),이정연 ( Jung Yeon Lee ),허진원 ( Jin Won Huh ),최익수 ( Ik Su Choi ),박재선 ( Jae Sun Park ),심태선 ( Tae Sun Shim ),오연목 ( Yeon Mok Oh ),박인원 ( In Won Park ),류왕성 ( Wang Seon 대한결핵 및 호흡기학회 2004 Tuberculosis and Respiratory Diseases Vol.57 No.4