• 한국의료질향상학회지
• /
• 제12권2호
• /
• pp.84-92
• /
• 2006

Background : To examine the difference between ICD-10 and The Korean standard classification of disease(oriental medicine), and to aim at improve the practical use as statistical data. It is one of the reason of disease classification. On that account we convert the many to many correspondence presenting classification of oriental medicine into many to one correspondence. Method : The study tracked out 155 patients discharged from the university hospital which is located in Gyeonggi Province and managing hospital and oriental medicine hospital from July to October this year. The period of this study was from August 1 to November 18. We compared correspondence between the two services' diagnosis(hospital services and oriental medicine hospital services) at the same time and attempted many to one correspondence classification. That is for production of statistical data. Result : We investigated the group which have had medical treatment experience of two kinds of services at the same time. The result of this investigation was that the same oriental medicine diagnosis used differently in western medicine diagnosis. 44.5% was accorded with western medicine diagnosis. Correspondence of the western medicine diagnose with the top of the Korean standard classification of disease(oriental medicine) list's western medicine diagnosis was 13.5%. For many to one correspondence classification for statistics, one western medicine diagnosis was selected for one oriental medicine diagnosis. In case of the main diagnosis(I sign) was not enough to explain oriental medicine diagnosis' characteristic, we chose multiple other diagnosis, so other diagnosis(II sign) about patient's cause of disease could be selected for supplement after we examined the patient's records. The statistics was possible with this many to one correspondence. Conclusion : The result of this study about correspondence between western medicine diagnoses and those of oriental medicine confirms that The Korean standard classification of disease(oriental medicine) is hard to be standardized with western medicine diagnosis. Therefore, according to this study, we use new many to one correspondence classification, multiple oriental medicine diagnoses with one ICD-10, which can be used by statistical data.

• 대한수학교육학회지:학교수학
• /
• 제13권3호
• /
• pp.405-422
• /
• 2011

본 연구는 행렬 연산지도의 실태를 분석하여 행렬 연산에 관한 이해의 필요성을 제시한 후, 행렬의 연산이 정의되는 이론적 배경의 탐구를 통하여 일대일 대응의 의의에 대해 고찰한다. 대수적 관점에서의 일대일 대응의 의의는 '이미 구조를 알고 있는 집합에서 일대일 대응을 통하여 새로운 집합에 대수적 체계를 도입할 수 있게 하는 수단'이라는 것이다. 즉, 동형구조를 만드는데 있어 핵심 아이디어라는 것이다. 행렬의 연산을 예로 한 일대일 대응에 관한 이러한 고찰과정은 수학적 사실의 필연성 및 개연성을 경험하게 하여, 그러한 수학적 아이디어들이 단순히 주어지는 것이 아니라, 특정의 목적성 있는 활동의 결과물임을 인식하게 한다. 또한 일대일 대응의 본질적 이해는 행렬에 대한 논의에 그치지 않고 지수법칙, 대칭차집합, 순열 등 다양한 수학적 지식을 전개하기 위한 기저가 된다. 이러한 연구의 목적은 교사와 학생들에게 수학적 개념의 의미 충실한 이해를 돕는데 있으며, 나아가 교사의 가르칠 지식에의 전문성을 높이는데 있다.

• 대한수학회보
• /
• 제46권3호
• /
• pp.591-598
• /
• 2009

This paper studies the relations between ideals, filters, regular congruences and normal congruences in inclines. It is shown that for any incline, there are a one-to-one correspondence between all ideals and all regular congruences and a one-to-one correspondence between all filters and all normal congruences.

• 한국수학교육학회지시리즈E:수학교육논문집
• /
• 제27권3호
• /
• pp.267-281
• /
• 2013

본 연구는 사다리타기 게임을 중학교 수학에서 함수의 도입과 고등학교에서의 합성함수의 도입을 위한 소재로서의 가능성을 탐색하고 있다. 사다리타기 게임에 사용되는 사다리그림은 일대일대응이 되므로 집합을 도입하지 않고도 직관적으로 쉽게 함수의 개념을 도입할 수 있다. 또한 하나의 가로선을 갖는 사다리그림은 일대일대응이므로 r개의 가로선을 갖는 사다리그림은 r개의 일대일대응의 합성함수를 결정함을 알 수 있다. 본 연구에서는 일대일대응에 대한 기본적인 몇 가지 사실에 대하여 사다리그림을 이용하여 수학적으로 증명하였고, 중학교에서의 함수와 고등학교에서 합성함수를 사다리타기 게임으로 도입할 수 있음을 제시하였다. 일대일대응에 대한 사다리그림은 학생들의 흥미와 집중을 유도할 수 있을 뿐만 아니라 함수의 개념을 직관적으로 쉽게 이해하게 하는 좋은 소재로 활용할 수 있다.

• 한국통신학회논문지
• /
• 제21권11호
• /
• pp.2776-2788
• /
• 1996

A new feature-based motion parameter estimation for arbitrary-shaped regions is proposed. Existing motion parameter estimation algorithms such as gradient-based algorithm require iterations that are very sensitive to initial values and which often converge to a local minimum. In this paper, the motion parameters of an object are obtained by solving a set of linear equations derived by the motion of salient feature points of the object. In order to estimate the displacement of the feature points, a new process called the "bi-directional correspondence scheme" is proposed to ensure the robjstness of correspondence. The proposed correspondence scheme iteratively selects the feature points and their corresponding points until unique one-to-one correspondence is established. Furthermore, initially obtained motion paramerters are refined using an iterative method to give a better performance. The proposed algorithm can be used for motion estimationin object-based image coder, and the experimental resuls show that the proposed method outperforms existing schemes schemes in estimating motion parameters of objects in image sequences.sequences.

• Kyungpook Mathematical Journal
• /
• 제60권1호
• /
• pp.1-20
• /
• 2020

A simple but elegant result of Rival states that every sublattice L of a finite distributive lattice 𝒫 can be constructed from 𝒫 by removing a particular family 𝒥_L of its irreducible intervals. Applying this in the case that 𝒫 is a product of a finite set 𝒞 of chains, we get a one-to-one correspondence L ↦ 𝒟_𝒫(L) between the sublattices of 𝒫 and the preorders spanned by a canonical sublattice 𝒞^⋄ of 𝒫. We then show that L is a tight sublattice of the product of chains 𝒫 if and only if 𝒟_𝒫(L) is asymmetric. This yields a one-to-one correspondence between the tight sublattices of 𝒫 and the posets spanned by its poset J(𝒫) of non-zero join-irreducible elements. With this we recover and extend, among other classical results, the correspondence derived from results of Birkhoff and Dilworth, between the tight embeddings of a finite distributive lattice L into products of chains, and the chain decompositions of its poset J(L) of non-zero join-irreducible elements.

• 한국지능시스템학회논문지
• /
• 제2권3호
• /
• pp.22-28
• /
• 1992

One of the challenging problems in dynamic scene analysis is the correspondence problem. Points and lines have been two major entities for establishing the correspondence among suxcessive frmes and gave rise to discrete approach to dynamic scene analysis. SOme researchers take continuous approach to analyse the motion. There it is usually assumed that some sort of region correspondence has already been established. In this paper, we propose a method based on fuzzy membership function for solving region correspondence problem.

• Communications for Statistical Applications and Methods
• /
• 제8권1호
• /
• pp.39-49
• /
• 2001

When an appropriate model is fitted to explain a certain categorical data, outlying cell detection plays very important role to reduce the lack of fit. There exist many statistical methods to identify outlying cells in contingency table. In this paper, correspondence analysis is applied to identify one or two outlying cells. When corresponding relationships between categories of the row and columns are explored, we find that outlying cells could be identified via the correspondence analysis map.

• 융합신호처리학회논문지
• /
• 제12권4호
• /
• pp.242-249
• /
• 2011

화면 내의 평면영역에서 투영변환행렬 대응 매칭법을 제안한다. 본 연구는 RANSAC에 있지만, RANSAC에서 랜덤 샘플링에 균일분포를 이용하는 것아 아니고, 화상의 특징점 위치나 템플리트 매칭의 차이로부터 구한 다중의 비균일 분포를 이용한다. 기존의 매칭법은 정대응이 거의 만족해야 할 조건을 이용하여 올바르다고 추정되는 대응을 샘플링하고, 그 대응을 1대 1로 매칭시켜 RANSAC을 행하였지만, 제안 방법에서는 화상으로부터 구한 다중의 확률 분포에서 단계적으로 샘플링함으로써 확률이 높은 정대응을 다중의 대응 후보 중에서 효율적으로 샘플링할 수 있다. 그 결과 최종적으로 수많은 정대응을 구할 수 있으며, 시뮬레이션과 실제 화상의 실험에 의하여 제안 방법의 유효성을 검증한다.

• Journal of the Korean Data and Information Science Society
• /
• 제16권4호
• /
• pp.735-744
• /
• 2005

The number of electronic mail(E-mail) has been increased dramatically as a result of expanding internet and information technology. Although there are many conveniences of E-mail in the bright side, some serious problems occur because of E-mail in its dark side. One of the problems is spam-mail which is unsolicited mail and also called bulk mail. This paper presents a set of patterns of spam-mail occurrences within a week using the correspondence analysis. The correspondence analysis is an exploratory multivariate technique that converts data into a particular type of graphical display in which the rows and columns are depicted as points. One of the meaningful patterns is a great increment of adult and phishing related spam-mails at weekends so any spam-mail filters should be designed to cope with this pattern.