• 제목/요약/키워드: Class Discrimination

검색결과 112건 처리시간 0.023초

Pattern Recognition for Typification of Whiskies and Brandies in the Volatile Components using Gas Chromatographic Data

  • Myoung, Sungmin;Oh, Chang-Hwan
    • 한국컴퓨터정보학회논문지
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    • 제21권5호
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    • pp.167-175
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    • 2016
  • The volatile component analysis of 82 commercialized liquors(44 samples of single malt whisky, 20 samples of blended whisky and 18 samples of brandy) was carried out by gas chromatography after liquid-liquid extraction with dichloromethane. Pattern recognition techniques such as principle component analysis(PCA), cluster analysis(CA), linear discriminant analysis(LDA) and partial least square discriminant analysis(PLSDA) were applied for the discrimination of different liquor categories. Classification rules were validated by considering sensitivity and specificity of each class. Both techniques, LDA and PLSDA, gave 100% sensitivity and specificity for all of the categories. These results suggested that the common characteristics and identities as typification of whiskies and brandys was founded by using multivariate data analysis method.

프랑스 캐주얼 레스토랑 실내디자인 (French Casual Restaurant Interior Design)

  • 김정신
    • 한국실내디자인학회:학술대회논문집
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    • 한국실내디자인학회 2007년도 춘계학술대회 논문집
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    • pp.47-48
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    • 2007
  • The commerce space of today knew and simply in the space where it creates only space of the profit creation which leads a business the hay to reflect the sensitivity of the consumer new consuming culture trend it changed. It is a new trend it creates and it leads to sprout trend consumer class of leader trend(Trend Setter) as it does. This restaurant is one type of food culture which is various brunch it does with the important menu which it will pay. This design concept and one design inside the vigor garage side which reflects and to sleep the design concept which the traditional France restaurant has and has a discrimination from the plan which it sees and it applies new food culture it develops it does. Existing the reel rear design tendency which specialty restaurant is investigation it arranged the design discrimination strategy which is the possibility the shop which it tries to analyze having.

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기본간호학실습 수업의 문화기술지 연구 (An Ethnography on Fundamental Nursing Practice Class)

  • 안효자;박현주
    • 기본간호학회지
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    • 제25권1호
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    • pp.33-45
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    • 2018
  • Purpose: Objectives of this study were to identify and describe cultural meaning for nursing students in the class in fundamental nursing practice. Methods: Data were collected from November 2016 to May 2017 included focus group interviews and participants observation. The key informants in this study included 23 nursing students divided into 3 focus groups who had taken the course in fundamental nursing practice in university U and university S in Kyungpook, and university D in Jeonnam. Interviews continued until no new information could be identified from transcripts. Data were analyzed using the taxonomic analysis method developed by Spradley. Results: Based on the data acquired from the interviews, cultural domains in the class "fundamental nursing practice" were classified as 'community oriented activities', 'learning and playing space', 'relationship of difference and discrimination', 'time for present and future'. Conclusion: The culture in the class "fundamental nursing practice" could be summarized as 'non-standardized learning with team dynamics'. Also nursing students learned about a small society whose members are becoming nurses. Results indicate that it is critical for professors to understand students' values, beliefs and their attitude in order to aid in adjustment to class.

PCA 혼합 모형과 클래스 기반 특징에 의한 LDA의 확장 (Extensions of LDA by PCA Mixture Model and Class-wise Features)

  • 김현철;김대진;방승양
    • 한국정보과학회논문지:소프트웨어및응용
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    • 제32권8호
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    • pp.781-788
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    • 2005
  • LDA는 클래스간 퍼진 정도와 클래스내 퍼진 정도의 비를 최대화하는 변환를 구하는 데이터 구분 기술이다. LDA는 여러 가지 응용에 성공적으로 응용되었지만 그 모델의 단순성과 관련된 두 가지 한계를 가지고 있다. 첫째는 각 클래스의 데이타가 가우시안 분포를 가진다고 가정되므로 복잡한 분포를 갖는 데이타를 구분하는데 실패한다는 것이다. 둘째는 LDA가 클래스의 전체 범위에 대해서 단지 하나의 변환만을 주므로 클래스 기반의 정보를 잃게 된다는 것이다. 본 논문은 위의 문제들을 극복하는 세가지 확장들을 제안한다. 첫 번째 확장은 더 복잡한 분포를 표현할 수 있는 PCA 혼합 모형을 이용하여 클래스내 퍼진 정도를 모델링함으로써 첫째 문제를 극복한다. 두번째 확장은 클래스 기반 특징들을 제공하기 위해서 각 클래스에 대해 다른 변환을 취함으로써 둘째 문제를 극복한다. 셋째 확장은 PCA 혼합 모형의 관점에서 각 클래스를 표현함으로써 앞의 두 확장을 결합하는 것이다. 숫자 인식과 알파벳 인식에 대한 실험에서 LDA의 모든 제안된 확장들이 LDA보다 더 좋은 분류 성능을 보여 주었다.

미국 도시재생사업과 사유재산권 보호의 차별 - 법제지리학의 관점 - (Discrimination of Private Property Right Protection in the U.S. Urban Regeneration Projects: A Perspective of Legal Geography)

  • 김용창
    • 대한지리학회지
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    • 제47권2호
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    • pp.245-267
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    • 2012
  • 이 논문은 공익명분에 입각한 공용수용 방식을 통해서 시행하는 미국 도시재생사업에서 사유재산권의 차별화를 분석한다. 도시재생사업이 강력한 수용방식을 활용하는 사업임에도 불구하고 실제로는 사회적 약자로부터 대자본 또는 민간개발업자에게 재산권을 이전시키는 재산권 차별화와 희생과정임을 밝힌다. 먼저 도시재생에 대해 다양한 학문적 관점에서 연구동향을 검토하고, 새로운 연구방향으로서 법제지리학적 관점을 제시한다. 다음으로 환경보호청과 회계검사원 자료를 통해 미국에서 이들 사업대상 지구의 규모를 추정하며, 이들을 탈공업화와 교외화의 유산으로 파악한다. 다음으로 사유재산권의 차별화 과정은 미국 연방대법원의 공적소유개념에서 경제적 공익개념으로의 공익개념 확장 과정, 공용수용의 민영화 과정, 개발주의 성장연합체제와 대자본 편향 및 인종 계층적 편견, 신자유주의적 재산권운동 등이 복합적으로 작용하여 발생하는 결과라는 것을 밝힌다.

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환자 분류도구 전산 개발;간호활동 중심으로 (Development of patient classification tool using the computerizing system)

  • 강명자;김정화;김영실;박형숙;이해정
    • 간호행정학회지
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    • 제7권1호
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    • pp.15-23
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    • 2001
  • This study was a methodological research to develop computerized patient classification system. The subjects of this investigation were 435 inpatients except redundant data and outliers in P University Hospital from January 18, 2000 to January 24, 2000. The data was analyzed by discrimination analysis and adopted discriminant variables were 1) sum of frequency for the nursing activities, 2) the number of nursing activities that do not need to consider intensity of the activities, and 3) total hours of nursing activities that need to consider their intensities. Discriminant function developed by this study classified the patients into 4 groups; class I, 251 ; class II, 125 ; class III, 39 ; class IV, 20. The Hit ratio was 89.23. Based on this study, following suggestions can be made for the future research 1. Inclusive patient classification system, which includes more expanded direct nursing care factors, need to be developed and examined. 2. This developed classification system can be utilized to evaluate patient distribution and to estimate adequate numbers of nursing staffs in each nursing unit.

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조선시대 양반가의 남녀 간 가내노동 분담: 보완적 역할 수행에 관한 연구 (The Complementary Gender Division of Household Work in the Yangban Class of the Choson Period)

  • 이기영;이현아;김성희
    • 가족자원경영과 정책
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    • 제11권4호
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    • pp.115-135
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    • 2007
  • The purpose of this study was to investigate the complementary gender division of housework in the Yangban ruling class of the Choson period. During the Choson period, genders were distinctly divided. It was generally regarded that women had to stay indoors and take care of household matters, while men, on the other hand, did not need to be concerned with housework because of the Confucian practice of "Naeoe". But homes in traditional society were considered as being at the center of production, so the study explores if women and men complemented each other through reviewed literature. As the results indicate, women and men in the Choson period complemented each other in some housework, even in the Yangban ruling class who maintained their authority by following the Confucian practice. From the findings, it can be concluded that the complementary relations between women and men in the Choson period should be emphasized as the origin of shared housework.

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2차 하수를 이용한 비 선형 패턴인식 알고리즘 구축 (Construction of A Nonlinear Classification Algorithm Using Quadratic Functions)

  • 김락상
    • 한국경영과학회지
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    • 제25권4호
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    • pp.55-65
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    • 2000
  • This paper presents a linear programming based algorithm for pattern classification. Pattern classification is being considered to be critical in the area of artificial intelligence and business applications. Previous methods employing linear programming have been aimed at two-group discrimination with one or more linear discriminant functions. Therefore, there are some limitations in applying available linear programming formulations directly to general multi-class classification problems. The algorithm proposed in this manuscript is based on quadratic or polynomial discriminant functions, which allow more flexibility in covering the class regions in the N-dimensional space. The proposed algorithm is compared with other competitive methods of pattern classification in experimental results and is shown to be competitive enough for a general purpose classifier.

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Face recognition by PLS

  • Baek, Jang-Sun
    • 한국통계학회:학술대회논문집
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    • 한국통계학회 2003년도 추계 학술발표회 논문집
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    • pp.69-72
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    • 2003
  • The paper considers partial least squares (PLS) as a new dimension reduction technique for the feature vector to overcome the small sample size problem in face recognition. Principal component analysis (PCA), a conventional dimension reduction method, selects the components with maximum variability, irrespective of the class information. So PCA does not necessarily extract features that are important for the discrimination of classes. PLS, on the other hand, constructs the components so that the correlation between the class variable and themselves is maximized. Therefore PLS components are more predictive than PCA components in classification. The experimental results on Manchester and ORL databases show that PLS is to be preferred over PCA when classification is the goal and dimension reduction is needed.

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수정 합성 HMT를 이용한 왜곡불변 패턴 인식 (Distortion invariant pattern recognition using Modified synthetic HMT)

  • 현영길;김종찬;김정우;도양회;김수중
    • 한국통신학회논문지
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    • 제24권7B호
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    • pp.1361-1369
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    • 1999
  • 다중 물체의 왜곡불변 인식을 위하여 수정합성형태소를 이용한 HMT를 제안하였다. HMT에서 중요한 문제 중의 하나는 오인식을 줄이고 다양한 모양의 왜곡된 물체를 검출하기 위하여 필요한 최적의 형태소를 결정하는 것이다. 제안된 형태소 합성방법은 이런 문제를 해결하는데 적절하다. 한 방법은 집합이론만을 이용하여 참영상의 형태소를 다단계로 합성하는 것이고, 다른 한 방법은 집합이론과 SDF합성법을 이용하여 참영상과 거짓영상의 형태소를 다단계로 합성하는 것이다. 시뮬레이션을 통하여 제안된 방법이 동일 집단의 왜곡된 물체를 인식하고, 다른 집단의 유사한 물체를 구분하여 인식할 수 있음을 확인하였다.

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