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이준우,류재현,김윤범,양승옥,이정기,정태영 대한비뇨의학회 2013 Investigative and Clinical Urology Vol.54 No.8
Purpose: The objective was to study whether positive surgical margins (PSMs) predict biochemical recurrence (BCR) in all patients without adjuvant therapy after radical prostatectomy (RP). Materials and Methods: We retrospectively reviewed the medical records of patients who underwent RP for prostate cancer at Veterans Health Service Medical Center from 2005 to 2011. BCR was defined by a prostate-specific antigen (PSA) value ≥0.2 ng/mL. The clinicopathological factors of the PSM group were compared with those of the negative surgical margin (NSM) group, and the predictive impact of a PSM for BCR-free survival were evaluated. In addition, we analyzed the prognostic difference for BCR-free survival between solitary and multiple PSMs. Results: A PSM was noted in 167 patients (45.5%). BCR was reported in 101 men in total (27.5%). The BCR-free survival rate of the PSM group was lower than that of the NSM group (p<0.001). In a multivariate analysis for the total patients, PSM was significantly associated with BCR-free survival (p<0.001). After stratification by pathological T stage, Gleason score (GS), and preoperative PSA value, PSM was significantly predictive for BCR-free survival in men with pT2 and/or GS ≤6 or 7 and/or a PSA value <10 or 10–20 ng/mL (all p<0.05). Multiple PSMs were more predictive of BCR-free survival than was a solitary PSM (p=0.001). Conclusions: A PSM is a significant predictor of postoperative BCR in patients with pT2 and/or GS ≤7 and/or preoperative PSA <20 ng/mL. Multiple PSMs are considered a stronger prognostic factor for prediction of BCR than is a solitary PSM.
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이준우,김성수 조선대학교 기초과학연구원 2013 조선자연과학논문집 Vol.6 No.4
In this study, in order to investigate how consecutive treatments of glass surface with HF acid and water vapor/Ar plasma affect the quality of 3-aminopropyltriethoxysilane self-assembled monolayer (APS-SAM), poly(3,4-ethylenedioxythiophene) (PEDOT) thin films were vapor phase-polymerized immediately after spin coating of FeCl3 and poly-urethane diol-mixed oxidant solution on the monolayer surfaces prepared at various treatment conditions. For the film characterization, various poweful tools were used, e.g., FE-SEM, an optical microscope, four point probe, and a contact angle analyzer. The characterization revealed that a well prepared APS-SAM on a glass surface treated with water vapor/Ar plasma is very useful for uniform coating of FeCl3 and DUDO mixed oxidant solution, regardless of HF treatment. On the other hand, a bare glass surface without APS-SAM but treated with HF and water vapor/Ar plasma generally led to a very poor oxidant film. As a result, PEDOT films vapor phase-polymerized on APS-SAM surfaces are far superior to those on bare glass surfaces in the quality and electrical characteristics aspects.
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최인접 거리 비율 정합을 이용한 영상 특징점 선택 방법
이준우,정재협,강종욱,나상일,정동석,Lee, Jun-Woo,Jeong, Jea-Hyup,Kang, Jong-Wook,Na, Sang-Il,Jeong, Dong-Seok 대한전자공학회 2012 전자공학회논문지 Vol.50 No.8
본 논문에서는 현재 진행 중인 MPEG(Motion Picture Experts Group, ISO/IEC JTC1 SC29 WG11)의 표준화 작업 중 CDVS(Compact Descriptor for Visual Search)의 CE-7(Core Experiment)인 특징점 선택에 대한 방법을 제안한다. 서술자의 경량화를 위해서는 영상으로부터 추출된 많은 수의 특징점들 중에서 영상 정합에 사용될 중요한 특징점들을 선택해야 한다. 본 논문에서는 최 인접 거리 비율 정합(Nearest Neighbor distance ratio matching) 방법에 의해 영상 정합 단계에서 사용되지 않고 버려지는 특징점들을 미리 추출 단에서 제거하는 방법 제안하였다. 제안된 방법을 통하여 적은 비트 전송률을 요하는 시스템에서 특징점의 낭비를 피할 수 있고 결과적으로 추가적인 특징점을 사용할 수 있으므로 전체적인 성능 향상을 얻을 수 있었다. 제안된 알고리즘을 통하여 Pair-wise 정합 실험에서 기존의 Test Model 대비 최고 2.3%의 성공율(True positive rate)의 향상을 보였다. In this paper, we propose a feature point selection method for MPEG CDVS CE-7 which is processing on International Standard task. Among a large number of extracted feature points, more important feature points which is used in image matching should be selected for the compactness of image descriptor. The proposed method is that remove the feature point in the extraction phase which is filtered by nearest neighbor distance ratio matching in the matching phase. We can avoid the waste of the feature point and employ additional feature points by the proposed method. The experimental results show that our proposed method can obtain true positive rate improvement about 2.3% in pair-wise matching test compared with Test Model.
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우원(友園) 이호빈(李浩彬) 목사의 신학사상과 통일 복지선교
이준우 한국기독교학회 2020 한국기독교신학논총 Vol.118 No.-
The purpose of this study is to examine theological thought of Rev. Ho Bin Lee(1898-1989) as an alternative plan for Korean churches that allows “coalition between liberals, which assert unification-orientation, and conservatives, which insist mission-orientation” regarding the unification of the Korean Peninsular. Implications drawn from Rev. Lee's theological thoughts that contribute to unification of South and North Korea are as follows. First, Rev. Lee's Kingdom of God movement idea goes beyond unification and presents future goal that Korean Peninsular should aim. Second, understanding Rev. Lee's Kingdom of God movement from welfare mission perspective, logical approach of viewing welfare mission being unification movement and unification movement being welfare mission is possible. Third, Rev. Lee's spirit that views welfare mission as a integration of theological movement and welfare movement points out the fact that spiritual and social welfare aspect of unification should not be separated from each other. Fourth, based on Rev. Lee's thoughts the healing ministry for Jesus Christ can be explained as the basis of welfare mission. Fifth, Rev. Lee's life story can serve as a model of welfare mission practice. 본 연구는 한반도 통일을 향한 통일 지상주의를 주장하는 진보 진영과 선교 지상주의를 주장하는 보수, 양 진영이 하나로 연합할 수 있는 한국교회의대안으로서 우원 이호빈 목사의 신학사상을 고찰하는 데 목적을 둔다. 우원의신학사상이 남북한 통일에 기여하는 함의는 다음과 같다. 첫째, 우원의 하나님나라 운동 사상은 통일을 지나 궁극적으로 성취하고자 하는 남북한, 즉 한반도가 지향해야 할 향후 목표를 제시한 것이라고 볼 수 있다. 둘째, 우원의 하나님나라 운동을 복지선교로 이해할 때, 복지선교는 통일운동이며 통일운동이복지선교라고 논리적인 접근을 할 수 있다. 셋째, 복지선교가 신앙운동과 복지운동의 통합이라는 우원의 정신은 통일의 영성적 측면과 사회복지적 측면을 분리시키지 않아야 한다는 사실을 지적하고 있다. 넷째, 우원의 사상에서예수의 치유사역을 복지선교의 근거로 설명할 수 있다. 다섯째, 복지선교의실제를 우원의 삶으로 실천한 내용을 모범으로 제시할 수 있다.
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