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거리 측정법을 통한 유방 초음파 영상의 컴퓨터 보조 진단(Computer-aided Diagnosis) 시스템
김민정(Min-jeong Kim),최다혜(Da-hye Choi),이승민(Seung-min Lee),민소연(So-yeon Min),윤찬란(Chan-ran Youn),김가연(Ga-yeon Kim),권윤서(Yun-seo Kweon),조현종(Hyun-chong Cho) 대한전자공학회 2016 대한전자공학회 학술대회 Vol.2016 No.11
The Computer-aided Diagnosis System development to diagnose breast cancer can help for radiologists. After extract morphological and texture features of breast masses, we estimate characterization of query mass by applying similarity measures. Then we analysis and compare performance of similarity measures through the Receiver Operating Characteristics(ROC) analysis method. We apply the similarity measures such as Euclidean Distance, Tanimoto Distance and Mahalanobis Distance and compare and analyze each performance of similarity measures. As a result, Mahalanobis Distance measure show outstanding performance in ordinally.
전문대 학생의 강좌에 대한 자기효능감, 유용·용이성, 몰입 및 만족도간의 구조적 관계 규명
주영주(Joo Young Ju),정애경(Chung Ae Kyung),임연욱(Im Yeon Wook),김가연(Kim Ga Yun) 한독교육학회 2010 교육의 이론과 실천 Vol.15 No.3
본 연구는 전문대 학생을 대상으로 자기효능감 유용ㆍ용이성, 몰입 및 만족도 간의 구조적 인과관계를 분석하는 것을 목적으로 하였다. 이를 위해 A전문대학의 2009년 2학기 재학생 297명을 대상으로, 외생변수로 자기효능감, 유용ㆍ용이성을, 내생변수로 몰입과 만족도를 설정하였다. 구조방정식 모델링 분석을 통해 연구가설을 검증한 결과는 다음과 같다. 첫째, 자기효능감과 유용ㆍ용이성은 모두 몰입에 영향을 미치는 것으로 나타났다. 둘째, 자기효능감, 유용ㆍ용이성 및 몰입과 만족도의 관계를 검증한 결과, 세 변수 모두 만족도에 영향을 미치는 것으로 나타났다. 셋째, 몰입은 자기효능감, 유용ㆍ용이성과 만족도 사이를 매개하는 것으로 나타났다. 이와 같은 결과는 학습자의 몰입을 촉진하기 위해 자기효능감과 유용ㆍ용이성을 향상시키기 위한 다양한 전략을 활용할 필요가 있으며, 학습자의 만족도를 높이기 위해서는 자기 효능감향상 전략, 유용ㆍ용이성 향상을 위한 학습과정 설계 전략과 함께 몰입경험을 제공하기 위한 노력이 필요함을 시사한다. The purpose of the present study is to verify the structural relationship among self-efficacy, perceived usefulness and ease of use, learning flow and satisfaction in college education. For this study, a college in Korea was chosen to conduct a survey. The total of 297 engineering college students enrolled in a program for improving student s academic abilities participated in the study. A hypothetical model was proposed, which was composed of self-efficacy, perceived usefulness and ease of use as extraneous variables, learning flow, satisfaction as endogenous variables. In addition, learning flow has been suggested as an intervening endogenous variable. The results of this study through structural equation modeling analysis is as follows: First, self-efficacy, perceived usefulness and ease of use significantly affect learning flow. Second, self-efficacy, perceived usefulness and ease of use, learning flow significantly affect satisfaction. Third, as a result of the Sobel test to examine the significance of the mediation effect, learning flow was verified as a mediating variable between self-efficacy, perceived usefulness and ease of use, and satisfaction. These results imply that self-efficacy, perceived usefulness and ease of use should be considered as the core elements for designing instructional courses to enhance students learning flow and satisfaction in college education.
포스트모더니즘이 헤어스타일에 나타나는 표현 양상에 관한 연구
김가연 한국메이크업디자인학회 2005 한국메이크업디자인학회지 Vol.1 No.2
As 20th century starts, mankind is facing the sudden change of cognition. that is the very postmodernism. At the end of 20th century ,Postmodernism is the spirit of the times reflecting our entire life such as politics, economy, society, culture. Also, one of important aspects Postmodernism includes implies various human thoughts, the point of view and tradition. At present, because hair along with fashion shares the same value of contemporaneous culture, it can be said to be in the category of popular culture. Dissolve , extension, composition of subject that is character of postmodernism expand category of modern hair style, at present, it brought a lot of different hair styles. Therefore, this study researches postmodernism that is giving the new paradigm to every fields and analyze the hair style taken effect of postmodernism. The main purpose of this study is presenting the hair trend of the time to come and make them possible data to be used In study, first arranging the concept and characteristic of postmodernism appeared at the end of 20th century through previous paper, related books and internet. On the basis of case study and paper about expression aspect that postmodernism can have influence on hair style, the hair style of postmodernism is studied. Arranging the results postmodernism has effect on hair style is below. First, mannish, ethnic, africa style appeared as a result of liberation of sex and punk style by deconstruction and Eclecticism. Second, by feminism tendency of postmodernism expressed boysh style in hair style. Third, by reactionism style that revive the past things appeared. Fourth, in 1990s, natural style came out by naturalism.
김가연 한국메이크업디자인학회 2005 한국메이크업디자인학회지 Vol.1 No.2
The purpose of this study is to inquire into the kitsch characteristic shown in the hair style after 2000 by establishing the concept of kitsch hair and investigating its aesthetic. This research analyzed concept and esthetic principles about do kitsch through literature. For study, I investigated the literature related to sociology, aesthetics, cosmetology and fashion as well as analyzed visual materials after 2000. In terms of hair style, the concept of kitsch hair is defined not only as material used to express new style, refusing uniformity and developing from the conventional consciousness of beauty but also as the kitsch characteristic owned by behavior on style and styling. Divide and analyz work about figurative special quality, material, form, texture, color. The outcome of analyzing hair style after 2000; First, various material makes various form decorating excessively in hair style. Second, form is exaggerated or expresses optical emphasis such as imbalance and exaggeration overly. Third, kitsch hair style can express effective image by emphasis of texture, and express variously according to purpose do key. Fourth, color causes much effects because act strongly in hair style, and have fair clout to texture of hair style. This dissertation aims to investigate the hair style in the 21st century through sociocultural phenomenon , kitsch. And I expect that kitsch is newly recognized as an expressional art in the culture and become the opportunity to solidify the foundation of cosmetology.
김가연 한국메이크업디자인학회 2005 한국메이크업디자인학회지 Vol.1 No.2
This study represents concept of image and hair style on the basis of research data, magazine and internet. This study was characterized the hair styles based on image of fashion and analyzed concept and feature of hair style by image. Base on this, 7 hair styles by images were modeled. 7 hair styles are Elegance Image, Modern Image, Romantic Image, Casual Image, Avant-garde Image, Natural Image and Ethnic Image. The results of this study were as follows, First, elegance image expressed style that long-length hair and curl was hardly shown. Secondly, modern image expressed style that short-length hair and was shown good volume. Thirdly, for romantic image express style that narrow wave and was shown good volume. Fourth, short-length hair of casual image expresses style shows narrow wave. Fifth, avant-garde image express style that radical and strange. Sixth, for natural image express style that long-length hair and very weak wave and natural wave runs down. Seventh, for ethnic image, long-length hair was braided and express genetic curly hair.