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- 저자 : Ah-Leum (검색결과 33 건)
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( Ah Leum Lim ),( Cheol Hong Kim ),( Yong Il Hwang ),( Chang Youl Lee ),( Jeong Hee Choi ),( Taerim Shin ),( Yong Bum Park ),( Seung Hun Jang ),( Sang Myeon Park ),( Dong Gyu Kim ),( Myung Goo Lee ),( 대한결핵 및 호흡기학회 2012 Tuberculosis and Respiratory Diseases Vol.72 No.5
Background: Chest tube drainage (CTD) is an indication for the treatment of pneumothorax, hemothroax and is used after a thoracic surgery. But, in the case of incomplete lung expansion, and/or persistent air leak from CTD, medical or surgical thoracoscopy or, if that is unavailable, limited thoracotomy, should be considered. We evaluate the efficacy of bronchoscopic injection of ethanolamine to control the persistent air leak in patients with CTD. Methods: Patients who had persistent or prolonged air leak from CTD were included, consecutively. We directly injected 1.0 mL solution of 5% ethanolamine oleate into a subsegmental or its distal bronchus, where it is a probable air leakage site, 1 to 21 times using an injection needle through a fiberoptic bronchoscope. Results: A total of 15 patients were enrolled; 14 cases of spontaneous pneumothorax [idiopathic 9, chronic obstructive pulmonary disease (COPD) 3, post-tuberculosis 2] and one case of empyema associated with broncho-pleural fistula. Of these, five were patients with persistent air leak from CTD, just after a surgical therapy, wedge resection with plication for blebs or bullae. With an ethanolamine injection therapy, 12 were successful but three (idiopathic, COPD and post-tuberculosis) failed, and were followed by a surgery (2 cases) or pleurodesis (1 case). Some adverse reactions, such as fever, chest pain and increased radiographic opacities occurred transiently, but resolved without any further events. With success, the time from the procedure to discharge was about 3 days (median). Conclusion: Bronchoscopic ethanolamine injection therapy may be partially useful in controlling air leakage, and reducing the hospital stay in patients with persistent air leak from CTD.
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( Ah Leum Lim ),( Cheol Hong Kim ),( In Gyu Hyun ) 대한내과학회 2011 대한내과학회 추계학술대회 Vol.2011 No.1
Background: Chest tube drainage (CTD) has indicated for the treatment of pneumothorax, hemothroax and after thoracic surgery. But, in the case of incomplete lung expansion and/or persistent air leak from CTD, medical or surgical thoracoscopy or, if that is unavailable, limited thoracotomy should be considered. We evaluate the efficacy of bronchoscopic injection of absolute ethanolamine to control persistent air leak in patients with CTD. Methods: Patients who had persistent or prolonged air leak from CTD were included consecutively. We directly injected 1.0 ml aliquots of ethanolamine into a subsegmental or its distal bronchus where is probably air leakage site, 1 to 20 times using injection needle through a fiberoptic bronchoscope. Results: 15 patients (all men) were enrolled. There were 14 spontaneous pneumothorax (5 idiopathic, 6 chronic obstructive pulmonary disease (COPD) and 3 post-tuberculosis) and 1 empyema associated with broncho-pleural fistula in the study. Of 14 patients with ethanolamine injection therapies, five had previous surgical therapy, wedge resection for bullae, but the others didn`t have. Twelve were successfully treated by an ethanolamine injection therapy alone. But three (idiopathic, COPD and post-tuberculosis) were failed and followed by a surgery (2 cases) or pleurodesis (1 case). Minor complications such as fever, chest pain and transient pneumonic infiltrations occurred after the therapy. With successful, the time to discharge was about 3 days (median). Conclusions: Bronchoscopic ethanolamine injection therapy may be partially useful in controlling air leakage and reducing the hospital stay in patients with CTD.
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음소별 낱말을 이용한 음운규칙 중재가 학령전기 아동의 해독능력에 미치는 효과
금아름(Ah-Leum Keum),허승덕(Seung-Deok Heo) 단국대학교 특수교육연구소 2020 특수교육논총 Vol.36 No.3
연구목적: 읽기 능력은 학업의 기초이며 학령전기부터 학령기까지 가장 중요한 과업중 하나이다. 이 시기 아동들은 특히 자소-음소 불일치 단어들을 이해하는데 어려움을 보이며, 능숙한 읽기를 위해서는 음운규칙이 적용되는 음운변동 낱말들의 읽기 훈련이 필요하다. 읽기 문제가 없는 성인은 철자정보와 낱말정보를 동시에 떠올리면서 의미 해독을 자동적으로 진행하고, 뜻을 이해할 수 있다. 이 때 자동적으로 의미가 활성화되는 단어를 일견단어(sight word)라고 하며, 일견단어 정보량에 따라 읽기유창성이 달라진다. 이 연구의 목적은 규칙성 있는 훈련단어를 이용한 음운규칙 해독훈련이 단어 해독에 미치는 영향을 알아보는데 있다. 연구방법: 연구대상은 생활연령이 5~6세인 학령전기 아동 4명을 대상으로 하였다. 훈련단어는 사용빈도와 규칙성을 고려하여 음운규칙을 정하고 각 음소별로 나누어 사용하였다. 연구는 기초선, 중재, 유지 순으로 진행하였고, 중재는 주 2회 제공하였다. 목표 낱말은 수행률이 80%이상이면 다음 목표낱말로 이행하였다. 수행률은 백분위로 환산하여 평가하였다. 연구결과: 수행률은 기초선 11.3%에서 유지평가 54.20%로 개선되었다. 유지평가 수행률은 대상자마다 74.3%, 61.1%, 33.3%, 48.1% 등으로 차이가 있었으나 전반적인 향상이 확인되었다. 결론: 음소별로 훈련단어를 이용한 음운규칙훈련 중재는 자소-음소 불일치 단어의 일견단어의 정보량을 늘려주어 음운규칙 해독능력 향상에 긍정적인 영향이 있었다. Purpose: Reading ability is the foundation of academics and is one of the most important tasks from preschool to school ages. During this period children have especial difficulties in understanding Korean phonological process words, so it is necessary for children to have training in reading to enhance their reading ability. Adults who do not have any reading difficulties can automatically interpret the meaning of words by simultaneously recalling spelling information and words information and understand the meaning. Sight word refers to a word of which the meaning is automatically activated, and the reading proficiency differs depending on the amount of sight word. This study aimed to investigate the effect of phonological rules training that uses training words to interpret words. The participants were four preschool children aged from five to six years. Method: Training words were divided according to their respective phonemes based on the frequency of use and regularity. The study proceeded in the sequence of baseline, mediation, and maintenance where mediation was provided twice a week. If the performance of the target words exceeded 80%, the next target words were used. The performance rate was evaluated in percentiles. Result: The performance improved from the baseline of 11.3% to the maintenance evaluation of 54.20%. Although the maintenance evaluation performance rate differed among participants as 74.3%, 61.1%, 33.3%, 48.1%, and more, there exists an overall improvement. Conclusion: Phonological rules training using wards sorted by phonemes had a positive influence on enhancing the phonological rules decoding by increasing the amount of information of sight word in the Korean phonological process words.
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SURF 기법을 활용한 위성 SAR 다중해상도 영상의 정합 및 기하보정
김아름 ( Ah Leum Kim ),송정환 ( Jung Hwan Song ),강서리 ( Seo Li Kang ),이우경 ( Woo Kyung Lee ) 대한원격탐사학회 2014 大韓遠隔探査學會誌 Vol.30 No.4
위성 SAR 영상의 활용이 증가하면서 영상의 해석 및 융합을 위한 정밀 기하보정에 대한 필요성이 높아지고 있다. 특히 광역감시 목적으로 활용되기 위해 서로 다른 해상도를 갖는 SAR 영상간 정보융합도 활발해지고 있다. 일반적으로 SAR 영상의 기하보정은 위성의 궤도 및 자세정보를 활용하여 수행할 수 있지만 SAR 센서의 궤도 및 시스템 오차, 대상지형 특성에 의한 왜곡으로 인해 추가적인 보정이 필요하게 된다. SAR 영상을 통한 변화탐지나 타 영상과의 융합에 적용하기 위해서는 기하 오차 보정이 반드시 선행되어야 한다. 이를 위해 다수의 지상 기준점을 선정하고 이를 포함하는 기준 영상과 비교하여 원본 영상에서 대응점을 찾는 방식으로 정밀 기하보정을 수행할 수 있다. Speeded Up Robust Feature (SURF) 기법은 쉽고 빠르게 영상의 기준점을 찾을 수 있지만 상대적으로 해상도가 낮고 스펙클 잡음에 영향을 받는 SAR 영상에서는 활용하기가 어렵다고 알려져 있다. 본 논문에서는 SURF 기법을 위성 SAR 영상에 적용할 때 발생할 수 있는 오차를 추출하고 영상 특성에 따른 성능 변화를 분석하였다. SURF 알고리즘의 적용이 가능한 입력 변수의 적정 범위를 제시하고 그에 따른 영상 정합의 오차를 분석하여 중저해상도의 위성 SAR 영상에 대해서도 SURF 기법을 통한 기하 보정 및 영상 정합이 적용될 수 있음을 검증하였다. As applications of spaceborne SAR imagery are extended, there are increased demands for accurate registrations for better understanding and fusion of radar images. It becomes common to adopt multi-resolution SAR images to apply for wide area reconnaissance. Geometric correction of the SAR images can be performed by using satellite orbit and attitude information. However, the inherent errors of the SAR sensor`s attitude and ground geographical data tend to cause geometric errors in the produced SAR image. These errors should be corrected when the SAR images are applied for multi-temporal analysis, change detection applications and image fusion with other sensor images. The undesirable ground registration errors can be corrected with respect to the true ground control points in order to produce complete SAR products. Speeded Up Robust Feature (SURF) technique is an efficient algorithm to extract ground control points from images but is considered to be inappropriate to apply to SAR images due to high speckle noises. In this paper, an attempt is made to apply SURF algorithm to SAR images for image registration and fusion. Matched points are extracted with respect to the varying parameters of Hessian and SURF matching thresholds, and the performance is analyzed by measuring the imaging matching accuracies. A number of performance measures concerning image registration are suggested to validate the use of SURF for spaceborne SAR images. Various simulations methodologies are suggested the validate the use of SURF for the geometric correction and image registrations and it is shown that a good choice of input parameters to the SURF algorithm should be made to apply for the spaceborne SAR images of moderate resolutions.
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Lim, Ah-Leum,Kim, Cheol-Hong,Hwang, Yong-Il,Lee, Chang-Youl,Choi, Jeong-Hee,Shin, Tae-Rim,Park, Yong-Bum,Jang, Seung-Hun,Park, Sang-Myeon,Kim, Dong-Gyu,Lee, Myung-Goo,Hyun, In-Gyu,Jung, Ki-Suck,Shin, The Korean Academy of Tuberculosis and Respiratory 2012 Tuberculosis and Respiratory Diseases Vol.72 No.5
Background: Chest tube drainage (CTD) is an indication for the treatment of pneumothorax, hemothroax and is used after a thoracic surgery. But, in the case of incomplete lung expansion, and/or persistent air leak from CTD, medical or surgical thoracoscopy or, if that is unavailable, limited thoracotomy, should be considered. We evaluate the efficacy of bronchoscopic injection of ethanolamine to control the persistent air leak in patients with CTD. Methods: Patients who had persistent or prolonged air leak from CTD were included, consecutively. We directly injected 1.0 mL solution of 5% ethanolamine oleate into a subsegmental or its distal bronchus, where it is a probable air leakage site, 1 to 21 times using an injection needle through a fiberoptic bronchoscope. Results: A total of 15 patients were enrolled; 14 cases of spontaneous pneumothorax [idiopathic 9, chronic obstructive pulmonary disease (COPD) 3, post-tuberculosis 2] and one case of empyema associated with broncho-pleural fistula. Of these, five were patients with persistent air leak from CTD, just after a surgical therapy, wedge resection with plication for blebs or bullae. With an ethanolamine injection therapy, 12 were successful but three (idiopathic, COPD and post-tuberculosis) failed, and were followed by a surgery (2 cases) or pleurodesis (1 case). Some adverse reactions, such as fever, chest pain and increased radiographic opacities occurred transiently, but resolved without any further events. With success, the time from the procedure to discharge was about 3 days (median). Conclusion: Bronchoscopic ethanolamine injection therapy may be partially useful in controlling air leakage, and reducing the hospital stay in patients with persistent air leak from CTD.
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정비예정구역 해제지역 재생사업의 정비요소와 고령거주자의 사업 만족도 간의 영향관계 사례연구
김아름(Kim, Ah-Leum),구자훈(Koo, Ja-Hoon) 한국주거학회 2016 한국주거학회 논문집 Vol.27 No.5
The purpose of this study is to establish the determinants of satisfaction with the results of housing regeneration projects among their elderly residents, and to suggest the political implications. The survey included questionnaires about satisfaction levels with the projects’ physical and non-physical maintenance factors. The results were statistically analyzed by correlation analysis and PLS regression analysis. As a result of the study, firstly, the physical factors rather than nonphysical factors (such as home improvement and management support, community support, the economic foundations and professional support) were found to have a large effect on elderly residents’ satisfaction. Secondly, the non-physical factors, such as economic factors were analyzed among senior job offers that are both highly influential in the two regions Yonnam-dong and Bukgajwa-dong. Finally, electrical maintenance work, tree planting, a “Green” parking plan, or refuse the effect of visually larger landscape improvement, such as bins installed, maintenance of local factors that contribute to the greenery of the area were judged to be important.
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