폐동맥 색전증 환자에서 테이 지수와 수축기 변형을 이용한 우심실 기능의 객관적인 평가 방법

金銀美 忠南大學校 大學院 2007 국내석사

Background: The objective assessment of RV systolic function remained difficult because of complex shape of the right ventricle (RV). We aimed to evaluate the RV function with strain analysis in patients with acute pulmonary thromboembolism (PTE). Methods: From March 2005 to June 2006, total 28 consecutive patients (12 males, mean 67.4±14 years) with acute PTE were included. After excluding four patients, three with recurrent episodes of PTE and one with permanent pacemaker, remaining 24 patients (10 males, mean 69.0±10 years) were analyzed. Results: Mean RV fractional area change (RVFAC) was 20.1±8.7%; RV Tei index was 0.86±0.23; and TR Vmax was 3.6±0.4m/sec at the time of diagnosis. Peak systolic strain of RV midventricle was markedly decreased (strain of RV base:-18.1±7.6%, midventricle: -2.2±13.8%, apex:-8.4±9.5%). After treatment, the follow-up echocardiographic data were obtained from 20 patients (duration: 4~34days). Mean RVFAC, RV Tei index, and TR Vmax were significantly improved with the treatment (P<0.001). Midventricular and apical strains of RV were improved considerably after the successful treatment (Strain of RV base:-21.8±7.3%, P=0.164, midventricle:-21.5±7.0%, P<0.001, apex:-13.8±7.9 %, P=0.015). RVFAC revealed negative correlations with midventricular systolic strain of RV (r=-0.627, P<0.001) and RV Tei index (r=-0.662, P<0.001). Conclusions: Midventricular systolic strain and RV Tei index can be used to objectively assess the RV systolic function in patients with acute PTE.

초등학교 여교사의 여성노동으로서의 교직수행

금은미 대구교육대학교 교육대학원 2008 국내석사

The purpose of this study is to analyze the paternalistic characters in the educational system, the female teachers' oppression through arguing about the process that women were driven out to the teaching profession, and the professionalism amid unequal social-economic structure, and to discussed women's de-skilling at the school field. The study results are as follows: In the middle of the development of modern capitalism and the growth in public education, women were alienated as the low-paid fruit pickers, and the teaching profession was accepted as the traditional female job. The characteristics of teaching-profession in our country are in the process that is changed into the capitalistic characters from the feudal character. And, women with high academic background came to select the teaching profession while seeking for a stable job in which feminity is not damaged. Creation in a new job due to rapid industrialization since the 1970s led to secession of men, who had been in the low pay system, from the teaching profession. And the teaching profession came to be accepted as women's traditional job while women filled up its vacancy. In that process, women were allowed to be adapted to the paternalistic educational system while the characters dubbed women's care and affection were hidden in the paternalistic prejudice like the negative pole and obedience. Also, female teachers, who are positioned in the end of hierarchy, play a role of reproducing sexual discrimination as a mediator who conveys ideology of centering on men without criticism. Teachers' professionalism, which emphasizes the teaching technique, allowed teachers to be non-skilled rather, and allowed teacher oneself and learner to be divided into normal and abnormal, and a problem of society and system to be returned to an individual problem. Subjectivity of female teachers, who escaped from the forced identity, starts from rightly recognizing feminity in oneself, and the feminity is formed socially and culturally. Women's essential characters can be said to be just the care and affection. When the women's essential characters dubbed the care and affection are autonomously performed at the educational field, it will be able to be seen that the teacher's professionalism as a true female teacher is revealed.

가상 건축물 뷰어를 위한 클라이언트 중심의 모바일 증강현실 시스템

金銀美 숙명여자대학교 대학원 2006 국내석사

Recently meaningful researches have been carried out to examine buildings before construction or cultural assets under recovery using computer graphic technology. However, most of researches on virtual buildings are based on Web3D on the desktop computer, so they cannot be directly applicable to the field and their reality is low. Augmented reality can solve these problems to some degree, but because previous researches on augmented reality calculate the transformation of virtual objects every time in the server, they may cause server overload, and so are not suitable for the examination of virtual buildings. Thus, recognizing that necessity of a new method that reduces server load by distributing part of the transformation of virtual objects in the server to clients, the present study purposed to propose a new method. This research implemented a virtual building viewer using a mobile device, GPS fixed on the mobile device, and an accelerometer. This method, first, exploits the portability and practicality of a mobile device and, second, reduces server load and enhances throughput by calculating the transformation of virtual objects not in the server by in a client using a sensor. The proposed method takes the following procedure. The server determines position and direction through imaging processing, which compares the position information of GPS obtained from the client with 3D objects predefined in the server. Then, if it sends the client information about the virtual building in the calculated position and direction and matching information, the client receives the information and matches it on the camera screen. In addition, the client can perform the transformation of virtual buildings according to the user’s movement detected by the accelerometer independently without additional connection to the server. 최근 컴퓨터 그래픽 기술을 이용하여 시공 전의 건축물이나 복원중인 문화재를 확인하기 위한 의미 있는 연구들이 진행되어 왔다. 그러나 대부분의 가상 건축물 확인을 위한 연구들은 매번 서버에서 가상 객체의 변환을 계산하므로, 서버 부하가 우려되어 가상 건축물 확인에 적합하지 않았다. 그러므로 서버에서의 가상 객체 변환을 클라이언트에서 일부 처리함으로서 서버의 부하를 줄이는 새로운 방법이 필요하다는 것을 인식하고, 본 논문에서는 이러한 방법에 초점을 맞추어 제안하고자 하였다. 본 논문의 시스템은 클라이언트로부터 얻은 GPS의 위치정보와 카메라의 영상정보를 미리 정의되어 있는 3D 객체와의 영상처리를 통하여 위치와 방향을 판단한다. 그리고 계산된 위치와 방향의 가상 건축물 정보와 정합정보를 클라이언트로 전송하면 이를 받아 카메라 영상 위에 정합하는 과정을 거친다. 또한, 이후 추가적인 서버와의 접속 없이 클라이언트 자체 내에서 가속도 센서로 감지한 사용자의 움직임에 따라 가상 건축물의 변환을 수행할 수 있었다.

서비스 품질, 서비스 가치가 고객만족과 재구매 의도에 미치는 영향에 관한 연구 : 미용산업을 중심으로

김은미 成均館大學校 大學院 2004 국내석사

The purpose of this study is to explore the significance of the relationships between service quality, service value, customer satisfaction, repurchase intention, and word of mouth. Also, this study demonstrates if there are differences of customer satisfaction, repurchase intention, and word of mouth between those who complained and those who did not. The subject consists of 380 adults with ages ranging between 20's to 30's who visited beauty parlors in Seoul and Kyeonggi. The beauty parlors examine in the study are included as follows: franchise, parlors in the center of city and in the consumer's residence area. The data are analyzed by confirmatory factor analysis and path analysis. The following result were founded: 1. it is verified that both recognized service quality and service value have a positive effect on customer satisfaction. Customers can be aware of their satisfaction or dissatisfaction when they estimate the service value considering negative factors such as cost as well as service quality. 2. customer service is shown to have a positive effect on repurchase intention and word of mouth. Word of mouth activity is more important existing in keeping the existing current customer than making full effort to create new customers. 3. there are differences of customer satisfaction and repurchase intention or word of mouth between those who speak their complaints and those who do not.