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이선명 ( Sun Myung Lee ) 고령자.치매작업치료학회 2010 고령자.치매작업치료학회지 Vol.4 No.1
목적: 본 연구의 목적은 스노젤렌치료와 인지기능 향상에 미치는 영향을 알아보고자 하였다. 연구방법: M시 M대학 10명의 대학생을 대상으로 스노젤렌치료를 3주간 적용하였으며, 측정도구로는 전산화 신경인지기능검사(CNT)를 사용하였다. 스노젤렌치료 적용 전과 후에 전산화신경인지기능검사(CNT)를 통하여 기억력, 주의력, 고위인지기능이 향상되었는지 측정하였다. 자료분석은 SPSS 12.0을 사용하였다. 연구결과: 스노젤렌치료와 전산화신경인지기능검사(CNT)는 인지능력 향상에 유의하였다. 기억력(Visual Span), 주의력(Auditory CCPT), 고위인지기능(Hypothesis Formation Test) 모두 유의한 증가를 보였다. 결론: 스노젤렌치료의 적용이 인지능력의 긍정적인 영향을 미쳤다는 것을 전산화신경인지기능검사(CNT)를 확인하였으며, 이를 통하여 인지기능 분야에서 작업치료의 중재방법으로 활용하기 위한 지속적인 연구가 필요할 것으로 기대된다. Objective: This study was to investigate the effects of Snozelen and computerized neuro cognitive function test(CNT) on the Cognitive Function Progress. Method: There was 10 college students received a session of Snozelen for 3 weeks in M city. Participants were evaluated CNT in the pretest & posttest. Participants were evaluated with memory, attention, high cognitive function. Analysis was performed using SPSS12.0. Result: Snozelen and CNT showed a significant on the Cognitive Function Progress. There was significant increased in Memory, attention and high cognitive function. Conclusion: We realized that the use of Snozelen and CNT had a positive effect on the Cognitive Function. Thus the current study indicates the potential for future research into Cognitive Function.
운동이상형 소화불량증을 호소하는 당뇨병 환자에서 주석산 시사프리드의 효과
김선명(Sun Myung Kim),추교영(Kyo Young Choo),최명규(Myung Gyu Choi),김진일(Jin Il Kim),방춘상(Choon Sang Bhang),한석원(Sok Won Han),김병욱(Byung Wook Kim),최황(Hwang Choi),김성수(Sung Soo Kim),이동수(Dong Soo Lee),최규용(Kyu Yong Ch 대한소화기기능성질환·운동학회 2001 Journal of Neurogastroenterology and Motility (JNM Vol.7 No.1
N/A evaluated the effects of cisapride tartrate on gastrointestinal symptoms and gastric emptying times in diabetic patients with dysmotility like dyspeptic symptoms. Methods: Cisapride was administered before each meal in 61 patients for 4 weeks. The intensity of gastrointestinal symptoms before and after cisapride administration was scored from 0 to 4, in the order of increasing severity of symptoms. In addition, a gastric emptying test was performed. Results: A significant reduction in the total intensity score of symptoms was observed during the first two weeks, from 8.5±2.1 to 4.0±3.0 (p<0.05), and a further reduction was noted during the next two weeks, to 2.8±2.8 (p<0.05). Good to excellent improvement was obtained in 70.4% of the patients, but the improvement in symptoms was not related to age, duration of diabetes, glucose, Hb A1c, neuropathy, or retinopathy. Treatment with cisapride induced a significant regression of symptoms and a significant improvement of delayed gastric emptying from 104.0± 31.7 minutes to 79.5±17.1 (p<0.05). However, there was a lack of association between the changes in gastric emptying times and improvements in symptoms(r2=0.00186). Only 3 patients complained of loose stool, nausea, or dizziness. Conclusions: Cisapride was effective in improving dysmotility like dyspeptic symptoms in diabetic patients without serious side effects. (Korean Journal of Gastrointestinal Motility 2001;7:56-64)
박선명(Park Sun-Myung),박선경(Park Sun-Kyung),김주현(Kim Joo-Hyun),김종하(Kim Jong-Ha),이정호(Lee Jung-Ho),최무혁(Choi Moo-Hyuck) 대한건축학회 2010 대한건축학회논문집 Vol.26 No.11
In this study, to set up landscaping plans, characteristics of landscape were extracted based on opportunity and weaknesses factors of landscape after carrying out a questionnaire targeting officers in 23 cities and counties in Kyung-buk province and the findings are as following. First, in analyzing condition, component and value of landscape based on opportunity and weaknesses factors, for opportunity factors, it was found that the condition of landscape was quantitatively great, the component of landscape was industrially great and the value of landscape was great in possibility of development. Also, for weaknesses factors, the 'quality' was superior in its condition, the industry was superior in its 'component' and the shortage of artificial resources was superior in its 'value'. Secondly, in the relation between factors consisting opportunity and weaknesses resources, firstly, it was found that industry, city and nature are superior for opportunity factors, and culture, traffic and population are superior for weaknesses factors. Next, in the relation between component and condition, 'qualitatively superior industry' and 'quantitatively superior industry' had the highest frequencies in opportunity factors and 'qualitatively outstanding city' and 'quantitatively preponderant industry' had the highest frequencies in weaknesses factors. Thirdly, in analyzing the importance of opportunity and weaknesses factors, for opportunity factors, qualitatively superior resource was a priority in the importance of condition and for weaknesses factors, it was qualitatively little greater than the quantity. In the importance of component, the industry was most superior in both of strength and weak points and in the importance of value, the shortage of artificial resources was a priority. Fourthly, in characteristics of landscape, internal characteristics were found stronger than external characteristics in each city and county. This means that there are more resources to strategize in landscape plans of individual city and county unit than other in metropolitan unit. Also, possibility of development, possession of complex resources and geographical adjoin were common points of their strategies and plans.
이선명,이명성,조영훈,이찬희,전성원,김주옥,김선덕,Lee, Sun-Myung,Lee, Myeong-Seong,Jo, Young-Hoon,Lee, Chan-Hee,Jeon, Seong-Won,Kim, Ju-Ok,Kim, Sun-Duk 대한자원환경지질학회 2007 자원환경지질 Vol.40 No.5
Rock materials of the three-storied stone pagoda in the Cheongryongsa temple in Korea are mainly composed of gneissose two-mica granite and fine-grained granite. This stone pagoda shows structural instability due to cracks and breaking-out of the stones. The surface properties of the stone is highly degraded by various inorganic pollutants and epilithic biospecies. Therefore, this study carried out comprehensive deterioration diagnosis by non-destructive methods, and some conservation treatments base on the diagnosis were carried out to reduce weathering progress. As the treatments, the biospecies and lichen that covering on the stone surfaces were removed by dry and wet cleaning, and degraded concrete applied to the pagoda for restoration in the past was removed and repaired with epoxy resin. Oxidized iron plates inserted between the rock properties were also substituted titanium stainless steels. After all processes are completed, we sprayed consolidant on the rock surface. Finally, the ground of the stone pagoda was rearranged using small rock aggregates, and the fence was established for control of artificial deterioration by visitors and environmental maintenance. 안성 청룡사삼층석탑의 구성암석은 대부분 편마상 복운모 화강암과 세립질 화강암으로 이루어져 있다. 이 석탑은 거의 전면에 걸쳐 나타나는 부재의 균열과 결실이 탑의 구조안정성을 위협한다. 또한 표면의 무기오염물과 다양한 서식형태를 갖는 생물침해는 석재표면의 손상을 가중시키고 있다. 따라서 이 연구에서는 석탑에 대한 종합적인 비파괴훼손도 진단을 수행하고 이를 근거로 풍화를 저감시키기 위해 최소한의 보존처리를 수행하였다. 보존처리에서는 석탑의 전면에 걸쳐 자생하는 지의류 및 생물오염물을 건식 및 습식 세정하였으며, 과거 이 석탑의 보수에 사용되었던 노화된 콘크리트를 제거하고 합성수지를 이용하여 복원하였다. 부재사이에 삽입된 부식된 철편은 티타늄 강철 합금으로 교체하였으며, 모든 공정이 완료된 후에 석질 강화처리를 실시하였다. 또한 석탑의 지반과 주위환경을 보강하고 정비하였으며 관람객에 의한 손상을 제어하기 위한 보호시설을 설치하였다.
단문 텍스트의 자연어 처리 기법을 통한 크라우드 펀딩 추천 시스템 개발
이영아 ( Yeong-ah Lee ),이선명 ( Sun-myung Lee ),이주연 ( Ju-yon Lee ),이기용 ( Ki Yong Lee ) 한국정보처리학회 2021 한국정보처리학회 학술대회논문집 Vol.28 No.2
최근 자연어 처리에 대한 관심이 증가함에 따라 자연어 처리 기술을 활용한 다양한 추천 시스템이 등장하고 있다. 본 논문에서는 자연어 처리를 이용한 서비스를 개발한다. 본 논문에서 개발한 서비스는 KoNLPy 와 Word2Vec 을 이용하여 크라우드 펀딩 프로젝트 창작자 및 후원자에게 키워드 및 키워드와 유사한 단어가 제목에 포함되는 프로젝트를 추천해준다. 단문 텍스트로서 프로젝트 제목을 사용하여 데이터를 자연어 처리 한 후, 딥러닝 모델에 적용시켜 추출한 데이터를 기반으로 창작자와 후원자에게 추천해주는 방식이다. 따라서 본 서비스는 프로젝트 제목 정보를 통한 추천 시스템의 개발로, 나아가 영화, 도서와 같은 콘텐츠 추천 분야에도 적용할 수 있을 것으로 기대한다.
PET/CT 2D와 3D 영상 획득에서 방사능 집적에 따른 방사능 농도의 평가
박선명,홍건철,이혁,김기,최춘기,석재동,Park, Sun-Myung,Hong, Gun-Chul,Lee, Hyuk,Kim, Ki,Choi, Choon-Ki,Seok, Jae-Dong 대한핵의학기술학회 2010 핵의학 기술 Vol.14 No.1
양전자 방출 단층촬영은 세포의 생화학적 변화에 따른 방사성의약품의 집적 정도를 영상화함으로서 암을 조기에 진단할 수 있는 검사방법으로 알려져 있다. 이러한 집적 정도는 여러 가지 원인에 따라 발생될 수 있는 것으로 $^{18}F$-FDG 주사량, 종양의 크기, 혈중 포도당 농도 등이 있다. 본 연구에서는 집적방사능과 2D와 3D 영상 획득이 방사능 농도(kBq/mL)에 미치는 영향에 대하여 평가하고자 한다. GE Discovery STe 16 PET/CT에서 1994 NEMA PET phantom을 이용하였으며, 배후방사능과 열소의 방사능 농도비가 1:2, 1:4, 1:8, 1:10, 1:20, 1:30 표준이 되도록 하여 2D와 3D로 영상을 획득하였다. 재구성 방법으로 2D와 3D 모두에서 반복연산법으로 반복횟수 2회, 부분집합 20을 적용하였다. 그리고 CT 감쇠보정법과 획득 시간은 10분으로 설정하였다. 또한 영상분석은 열소의 중심과 배후방사능에 동일한 관심영역을 설정 한 후 각 부분의 방사능 농도를 측정하여 비교 분석하였다. 설정된 관심영역의 배후방사능과 열소의 방사능 농도 비는 2D에서 1:1.93, 1:3.86, 1:7.79, 1:8.04, 1:18.72, 1:26.90, 3D는 1:1.95, 1:3.71, 1:7.10, 1:7.49, 1:15.10, 1:23.24 값을 얻었다. 또한 표준 방사능 농도비를 기준으로 한 백분율 차이(% Difference)는 2D에서 3.50%, 3.47%, 8.12%, 8.02%, 10.58%, 11.06%로 최소 3.47%에서 최대 11.06% 차이가 있고 3D는 3.66%, 4.80%, 8.38%, 23.92%, 23.86%, 22.69%로 최소 3.66%에서 최대 23.92%까지의 차이를 나타냈다. 방사능 농도가 증가할수록 실제 집적된 방사능 농도의 차이가 커짐을 알 수 있으며, 2D가 3D보다 평균 약 10.6% 높게 집적되어 방사능 농도 변화에 영향을 적게 받는 것으로 나타났다. 따라서 임상환자의 추적 검사에서 영상 획득 방법을 변화할 시 정확한 정량 평가를 위해서 이점을 고려하여 적용하여야 한다. Purpose: There has been recent interest in the radioactivity uptake and image acquisition of radioactivity concentration. The degree of uptake is strongly affected by many factors containing $^{18}F$-FDG injection volume, tumor size and the density of blood glucose. Therefore, we investigated how radioactivity uptake in target influences 2D or 3D image analysis and elucidate radioactivity concentration that mediate this effect. This study will show the relationship between the radioactivity uptake and 2D,3D image acquisition on radioactivity concentration. Materials and Methods: We got image with 2D and 3D using 1994 NEMA PET phantom and GE Discovery(GE, U.S.A) STe 16 PET/CT setting the ratio of background and hot sphere's radioactivity concentration as being a standard of 1:2, 1:4, 1:8, 1:10, 1:20, and 1:30 respectively. And we set 10 minutes for CT attenuation correction and acquisition time. For the reconstruction method, we applied iteration method with twice of the iterative and twenty times subset to both 2D and 3D respectively. For analyzing the images, We set the same ROI at the center of hot sphere and the background radioactivity. We measured the radioactivity count of each part of hot sphere and background, and it was comparative analyzed. Results: The ratio of hot sphere's radioactivity density and the background radioactivity with setting ROI was 1:1.93, 1:3.86, 1:7.79, 1:8.04, 1:18.72, and 1:26.90 in 2D, and 1:1.95, 1:3.71, 1:7.10, 1:7.49, 1:15.10, and 1:23.24 in 3D. The differences of percentage were 3.50%, 3.47%, 8.12%, 8.02%, 10.58%, and 11.06% in 2D, the minimum differentiation was 3.47%, and the maximum one was 11.06%. In 3D, the difference of percentage was 3.66%, 4.80%, 8.38%, 23.92%, 23.86%, and 22.69%. Conclusion: The difference of accumulated concentrations is significantly increased following enhancement of radioactivity concentration. The change of radioactivity density in 2D image is affected by less than 3D. For those reasons, when patient is examined as follow up scan with changing the acquisition mode, scan should be conducted considering those things may affect to the quantitative analysis result and take into account these differences at reading.
PET/CT 영상 획득 시 사전설정법 차이에 따른 영상 질 평가
박선명,이혁,홍건철,정은경,최춘기,석재동,Park, Sun-Myung,Lee, Hyuk,Hong, Gun-Chul,Chung, Eun-Kyung,Choi, Choon-Ki,Seok, Jae-Dong 대한핵의학기술학회 2011 핵의학 기술 Vol.15 No.2
영상장치를 이용한 검사 시 영상의 질은 검사결과와 밀접하게 연관되어 있으며, 이는 영상획득 조건들과 이에 대한 평가방법으로 인해 달라 질 수 있다. 본 연구에서는 영상획득 시 사전설정법(Pre-set method)차이에 따른 영상의 질을 평가하였다. 장비는 PET/CT Discovery STe16(GE Healthcare, Milwaukee, USA)을 사용하였으며, Chest PET Phantom (실험 1)과 94 NEMA Phantom (실험 2)을 이용하였다. 실험 1의 경우 3.5, 6.0, 8.6 kBq/mL, 실험 2의 경우는 3.3, 5.5, 7.7, 9.9, 12.1, 16.5 kBq/mL의 $^{18}F$-FDG를 채웠고, 열소와 배후방사능과의 방사능 농도는 4:1의 비율을 유지하였다. 각 실험은 CT 투과촬영 후 3D로 2분 30초/프레임으로 시간설정법(Time-set method)과 1억 계수의 계수설정법 (Count-set method)을 적용하여 방출촬영 하였다. 영상의 질에 대한 평가는 잡음 등가 계수율 (Noise Equivalent Count Rate, NECR)과 신호 대 잡음비 (Signal to Noise Ratio, SNR)를 이용하였다. 실험 1에서 NECR과 SNR은 방사능 농도의 증가에 따라 시간설정법에서 53.7, 66.9, 91.4 과 7.9, 10.0, 11.7로 평가 모두에서 증가함을 보였으나, 계수설정법은 53.8, 69.1, 97.8과 14.1, 14.7, 14.4로 SNR은 NECR과 다르게 증감현상을 보이지 않았다. 또 다른 모형실험인 실험 2에서도 NECR과 SNR은 방사능 농도가 증가에 따라 시간설정법에서 45.1, 70.6, 95.3 115.6 134.6 162.2 과 7.1, 8.8, 10.6, 11.5, 12.7, 14.0으로 증가함을 보였으나, 계수설정법에서는 42.1 67.3 92.1 112.2 130.7 158.7 과 15.2, 15.9, 15.6, 15.4, 15.5, 14.9로 실험 1에서와 마찬가지로 SNR에서는 증감현상을 보이지 않았다. 사전설정법 변화와 관계없이 단위 질량당 방사능량 증가는 영상의 질도 비례하여 향상된다. 그러나 동일한 단위 질량당 방사능량에서는 영상획득의 시간을 늘려 총계수값을 증가시켜도 NECR에 영향을 주지는 않는다. 이는 NECR을 이용한 영상 질 평가는 영상획득 시 얻은 총 계수 값보다는 단위 시간당의 계수율이 영향을 준다는 것을 의미한다고 할 수 있다. 실험 모두에서 계수설정법으로 얻은 경우에는 단위 질량당 방사능량의 증가에도 불구하고 거의 비슷한 SNR값을 보이게 된다. 따라서 좋은 질의 영상을 얻기 위해서는 총 계수값의 증가보다는 단위질량당 방사능량을 높여야 하며, SNR만을 이용한 영상의 질에 대한 평가는 적절하지 않을 수 있다는 점을 고려하여야 한다. Purpose: The result of exam using an imaging device is very closely related with the image quality. Moreover, this image quality can be changed according to the condition of image acquisition and evaluation method. In this study, we evaluated the image quality according to the difference of pre-set method in PET/CT image. Materials & Methods: PET/CT Discovery STe16 (GE Healthcare, Milwaukee, USA), Chest PET phantom (Experiment 1) and 94 NEMA phantom (Experiment 2) were used. Phantom were filled with $^{18}F$-FDG maintaining hot sphere and background ratio to 4:1. In the case of experiment 1, we set the radio activity concentration on 3.5, 6.0, 8.6 kBq/mL. In the case of experiment 2, we set the radio activity concentration on 3.3, 5.5, 7.7, 9.9, 12.1, 16.5 kBq/mL. All experiments were performed with the time-set method for 2 minutes 30 seconds per frame and the count-set method with one hundred million counts in 3D mode after CT transmission scan. For the evaluation of the image quality, we compared each results by using the NECR and SNR. Results: In the experiment 1, both the NECR and SNR were increased as radioactivity concentration getting increased. The NECR was shown as 53.7, 66.9, 91.4. and SNR was shown as 7.9, 10.0, 11.7. Both the NECR and SNR were increased in time-set method. But the count-set method's pattern was not similar with the time-set method. The NECR was shown as 53.8, 69.1, 97.8, and SNR was shown as 14.1, 14.7 14.4. The SNR was not increased in count-set method. In experiment 2, results of both the NECR and SNR were shown as 45.1, 70.6, 95.3, 115.6, 134.6, 162.2 and 7.1, 8.8, 10.6, 11.5, 12.7, 14.0. These results were shown similar patten with the experiment 1. Moreover, when the count-set method was applied, the NECR was shown as 42.1, 67.3, 92.1, 112.2, 130.7, 158.7, and SNR was shown as 15.2, 15.9, 15.6, 15.4, 15.5, 14.9. The NECR was increased but SNR was not shown same pattern. Conclusion: Increment of administered radioactivity improves the quality of image unconcerned with the pre-set method. However, NECR was not influenced by increment of total acquisition counts through simple increasing scan duration without increment of administered activity. In case of count-set method, the SNR was shown similar value despite of increment of radioactivity. So, the administered activity is more important than the scan duration. And we have to consider that evaluation of image quality using only SNR may not be appropriate.
뇌성마비아의 병리$\cdot$심리적인 요인과 상지기능과의 연구
이선명,Lee Sun-Myung 대한물리치료학회 2002 대한물리치료학회지 Vol.14 No.4
Cerebral palsy refers to the neuromuscular deficit caused by nonprogressive defect or lesion in single or multiple locations in the immature brain resulting in Impaired motor function and sensory integrity. The pathophysiological events may occur during the prenatal intrapartum, perinatal, or early postnatal period. Cerebral palsy is the most common condition and it poses a challenge to practitioners due to the large variation in prognosis for motor function of children with this diagnosis. The objectives of this article are review to pathological and psychological factors of cerebral palsy and upper extremity function. Upper extremity and hand function are most important in activity of daily living in cerebral palsy This article hope to give the information for application in many therapists.
마이크로 유전알고리즘을 이용한 등분포 하중을 받는 립ㄷ형강 보의 단면 최적설계
김선명(Kim Sun-Myung),이재홍(Lee Jae-Hong) 대한건축학회 2003 大韓建築學會論文集 : 構造系 Vol.19 No.7
An important advantage of cold-formed steel is the great flexibility of cross-sectional profiles and sizes available to structural steel designers. However, this flexibility makes the selection of the most economical section difficult for a particular situation. In this study, Micro Genetic Algorithm(μ-GA) is used to find an optimum cross section of cold-formed lipped channel beams under uniformly distributed load considering all structural constraints such as moments, deflection, shear, web crippling, and flange curling. The efficiency of μ-GA has been proved through many problems, especially the problem with 3∼5 design variables. The design curves are generated for optimum values of the thickness, the flange flat-width-to-thickness ratio and lip flat-width-to-thickness ratio for unbraced beams. The optimum design curves presented in this paper can be a valuable guide to structural engineers.