http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
후낭이 유지된 인공수정체 망막박리에서 일차수술로 유리체절제술과 공막돌륭술의 비교
강인성,오한진,박영걸,안재균,In Seong Kang,Han Jin Oh,Yeoung Geol Park,Jae Kyoun Ahn 대한안과학회 2008 대한안과학회지 Vol.49 No.2
`Purpose: To compare the clinical outcomes between scleral buckling and vitrectomy in the primary management of pseudophakic retinal detachment with an intact posterior capsule. Methods: The medical records of 63 eyes that underwent scleral buckling (36 eyes) or vitrectomy (27 eyes) as a primary operation of uncomplicated pseudophakic retinal detachment with intact posterior capsules with a follow-up of more than one year were retrospectively reviewed from 2000 to 2005. We compared the clinical outcomes using anatomical and functional success rates at postoperative one year. Anatomical success was defined by a reattachment rate and functional success was measured by a change of more than 0.3 logMAR. Results: Anatomical success rates were 86% in the scleral buckling and 82% in the vitrectomy, respectively (p=0.837). Functional success rates were 81% in the scleral buckling and 70% in the vitrectomy, respectively (p=0.065). There were no significant differences of anatomical and functional success rates according to each surgical procedure. Conclusions: Either scleral buckling or vitrectomy may be chosen as a primary operation in the management of pseudophakic retinal detachment with intact posterior capsule.`
전층각막이식술 후 시간의 경과에 따른 눈물막과 안구표면의 변화
강인성,유인천,윤경철,In Seong Kang,In Chun You,Kyung Chul Yoon 대한안과학회 2007 대한안과학회지 Vol.48 No.3
Purpose: To evaluate the parameters of tear function and ocular surface changes with time course after penetrating keratoplasty (PKP). Methods: Corneal sensitivity test (CST), tear film break-up time (BUT), basal tear secretion test (BST), tear clearance test (Tcr), fluorescein staining and conjunctival impression cytology were evaluated in 21 eyes of 21 patients who underwent PKP at 1, 3 and 6 months postoperatively. Results: CST (p=0.02), BST (p=0.04), fluorescein scoring (p=0.03), and goblet cell density (p=0.03) showed improving tendency during 6 month after surgery, but BUT (p=0.11), Tcr (p=0.65) and squamous metaplasia (p=0.20) did not change significantly. One month after surgery, CST (p<0.01), BUT (p=0.01), BST (p<0.01), and goblet cell density (p=0.01) were lower, while fluorescein staining score (p<0.01) and the grade of squamous metaplasia (p=0.03) were higher in PKP group. Six months after surgery, CST (p<0.01) and goblet cell density (p=0.04) were lower, and fluorescein staining score (p<0.01) was higher in PKP group. Conclusions: Tear film and ocular surface are compromised after PKP and improved gradually during postoperative 6 months. However, these parameters were not recovered completely to the normal level.
강인성,박상우,박영걸,In Seong Kang,M,D,Sang Woo Park,M,D,Yeoung Geol Park,M,D 대한안과학회 2008 대한안과학회지 Vol.49 No.3
`Purpose: To analyze the long-term clinical features and functional outcomes of refractive accommodative esotropia. Methods: Initial and final age, cycloplegic refraction, distance and near deviation with and without correction, stereoacuity and incidence of amblyopia were evaluated in 45 patients with accommodative esotropia. Results: The follow-up duration was 65.77±43.98 (6~151) months, and the mean age was 4.02±1.97 and 9.42±3.77 years at the first and final visits, respectively. The cycloplegic refraction was decreased from 5.16±1.92 diopters (D) to 4.41±1.83D, averaging -0.09±0.40D annually (P<0.01). Of these hyperopic eyes, 55 (61.1%) experienced a decrease, 22 (24.4%) an increase, and 5 (5.6%) showed no changes. From 5 (31.2%) to 12 (75.0%) of 16 patients had a stereoacuity of 100 sec/arc or better (p<0.01). Fusion was achieved in 14 (87.5%) at the final visit, up from 11 (68.8%) at the first visit (P=0.39); 23 (51.1%) of the patients were amblyopic; and anisometropia was found in 9 (39.1%) patients. Conclusions: Patients whose esotropia was corrected with full cycloplegic hyperopic correction show decreased longitudinal changes in spherical equivalent refractive error with a time course and have excellent binocularity outcomes.`
위계선형모형을 이용한 Charter School 규모 결정요인에 관한 연구: 미국 플로리다주 Charter School을 중심으로
강인성 ( In Sung Kang ) 한국지방행정연구원 2016 地方行政硏究 Vol.30 No.2
Considering charter schools’ popularity and growth in United States, there have been various studies related to charter schools. Scholars have studied formation and diffusion, student achievement and comparison with traditional publics school or private school, and school finance. In methodology, many of the previous studies focused on one level analysis rather than multi-level analysis, so they mainly figured out one level effect by student and school in each, or both student and school without considering multi-level effects. Moreover, there has few study in how these charter schools have some amount of enrollment size and what factors have influenced charter school enrollment. Even studies on charter school with multi-level analysis, they have focused on school achievement and comparison between charter school and traditional public school. Considering that there is few empirical study on charter school enrollment size using multi-level analysis, this study attempts to fill the research gap by focusing on charter school enrollment size and influencing factors on the charter school size. In doing so, we consider charter schools and school district in Florida and analyze multi-level effects employing Hierarchical Linear Model.
강인성(Kang, In-Seong),이홍철(Lee, Hong-Chul) 한국산학기술학회 2010 한국산학기술학회 학술대회 Vol.- No.-
본 논문에서는 Ubiquitous Computing 환경 하에서 이종 시스템 간의 통합을 위한 데이터 관리 기법 모델을 제안하였다. 이종 시스템 간의 통합이 이루어지면 방대한 양의 데이터를 모든 시스템이 공유해야 하기 때문에 무분별한 데이터의 중복과 저장으로 인해 프로세스의 데이터 처리 성능 및 데이터 무결성을 보장받지 못 하는 등의 문제점이 발생한다. 이를 보완하기 위해 Minimal cost Spanning tree의 원리를 적용하여 시스템 통합에 따른 데이터 처리 및 무결성 문제 해결을 위한 메커니즘을 제시하고자 한다.
데이터 마이닝을 적용한 기업형 클라우드 컴퓨팅 기반 데이터 처리 기법
강인성(In-Seong Kang),김태호(Tae-Ho Kim),이홍철(Hong-Chul Lee) 한국컴퓨터정보학회 2011 韓國컴퓨터情報學會論文誌 Vol.16 No.8
최근 클라우드 컴퓨팅은 인터넷 접속을 통해 언제어디서든 사용할 수 있는 높은 이용편리성과 동시에 스마트폰, 넷북, PDA 등과 같은 각종 정보통신 기기로 데이터를 손쉽게 공유할 수 있는 사용환경을 제공하기 때문에 산업적 파급효과가 커 디지털혁명을 주도할 서비스로 주목받고 있다. 이와 같은 클라우드 컴퓨팅 기반의 협업 시스템을 통해 비즈니스 실무부서 간의 업무 통합이 점차적으로 이루어지면, 관련 부서 간 공유하게 되는 데이터가 더욱 많아지기 때문에 실무자가 필요한 데이터를 보다 쉽게 찾아 사용할 수 있는 방법이 필요하다. 기존 연구에서는 군집화를 통해 탐색과정을 단순화했지만, 본 논문에서는 관련 부서 간에 자주 발생하는 데이터 중복을 제거하고 시스템 성능을 향상시키기 위해 해쉬함수를 사용하고, 변경된 데이터에 대한 정보가 동적으로 반영되어 실무자에게 적합한 데이터가 분류될 수 있도록 데이터 마이닝 기법 중 베이지안 네트워크를 사용한 시스템을 제안하였다. 본 시스템은 기존 방법과 비교하여 탐색기능이 향상된 결과를 나타내었을 뿐만 아니라, CPU, Network Bandwidth 사용량 등의 시스템 성능에도 효율적인 것을 확인하였다. Recently, cloud computing which has provided enabling convenience that users can connect from anywhere and user friendly environment that offers on-demand network access to a shared pool of configurable computing resources such as smart-phones, net-books and PDA etc, is to be watched as a service that leads the digital revolution. Now, when business practices between departments being integrated through a cooperating system such as cloud computing, data streaming between departments is getting enormous and then it is inevitably necessary to find the solution that person in charge and find data they need. In previous studies the clustering simplifies the search process, but in this paper, it applies Hash Function to remove the de-duplicates in large amount of data in business firms. Also, it applies Bayesian Network of data mining for classifying the respect data and presents handling cloud computing based data. This system features improved search performance as well as the results Compared with conventional methods and CPU, Network Bandwidth Usage in such an efficient system performance is achieved.