• Proceedings of the Korea Multimedia Society Conference
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• 2003.05b
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• pp.596-599
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• 2003

본 논문에서는 아이콘과 레이블을 가진 도식화된 지도(Schematic map)를 생성차기 위한 아이콘과 레이블의 효과적인 배치 알고리즘을 제안한다. 이 알고리즘은 먼저 지리정보시스템(GIS)의 데이터베이스로부터 원시 정보를 파서로 분석한 후, 지형도 데이터에서 시각화에 필요한 부분만을 추출한 후 이들 선분에 대하여 선분 간략화 알고리즘을 적용하여 기도를 생성한다. 그리고 장식 및 정보의 표기를 목적으로 사용하는 아이콘 및 레이블 정보들의 특징을 반영하여 후보 영역을 생성한다. 마지막으로 생성된 후보영역 내에서 중첩이 발생하기 않으면서 아이콘을 설명하는데 적절한 최적화된 위치의 레이블을 배치하여 이들의 배치 값들 중 최적의 값을 얻은 후 이 최적의 위치에 아이콘과 레이블을 배치하도록 하였다.

• Journal of Korea Multimedia Society
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• v.9 no.2
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• pp.139-150
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• 2006

A schematic map is a special purpose map which is generated to recognize it's objects easily and conveniently via simplifying and highlighting logical geometric information of a map. To manufacture the schematic map with road, label and icon, we must generate simplified route map and replace many geometric objects. Performing a give task, however, there are an amount of overlap areas between geometric objects whenever we process the replacement of geometry objects. Therefore we need replacing geometric objects without overlap. But this work requires much computational resources, because of the high complexity of the original geometry map. We propose the schematic map generation system whose map consists of icons and label. The proposed system has following steps: 1) eliminating kinks that are least relevant to the shape of polygonal curve using DCE(Discrete Curve Evolution) method. 2) making an evenly distributed route using CVT(Centroidal Voronoi Tessellation) and Grid snapping method. Therefore we can keep the structural information of the route map from CVT method. 3) replacing an icon and label information with collision avoidance algorithm. As a result, we can replace the vertices with a uniform distance and guarantee the available spaces for the replacement of icons and labels. We can also minimize the overlap between icons and labels and obtain more schematized map.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.8 no.5
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• pp.1020-1027
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• 2004

The existing 2D fashion Design System have a many limitation for application because diagraming piece database construct was weak as the function of design based on diagraming piece was low level. This paper design and construct the basic diagraming piece database to fashion design needed and through develop module of database search and modify, the system can easily manage the diagraming piece data and can create competitive and efficient design.

• Journal of the Korea Society of Computer and Information
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• v.9 no.1
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• pp.45-54
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• 2004

A CAD and diagraming program of clothing and fashion design field within the country variously exist, but this paper implements design CAD and diagraming system based on diagraming piece with database system. Proposal system can be used quickly and easily to designer because of providing various diagraming piece. intend to utilize the data to diagraming piece provide with various classification and key word. 2D fashion design system provide GUI, various drawing tool, vector type document. application data based on XML, diverse library and easy mapping capacity for user.

• Journal of the Korean School Mathematics Society
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• v.14 no.2
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• pp.123-142
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• 2011

Recently, a number of researches acknowledge the importance of 'reflection' and 'reflective teacher education,' and they highlight the implication of 'reflection' on the teacher's profession or the teacher education. The reflective thought is interpreted as a subject that should be taught or a sort of strategy that a teacher should learn, while the aspect is excluded that reflection is the interaction between the innate knowledge and the practice. As a result, the reflective teacher education programs that increase the level of reflection are developed and practiced, and the reflection is accepted as a tool for increasing teacher professionalism. Reflective teaching is en essential and basic element for the development of teacher knowledge. In particular, such teacher knowledge might be being gradually expanded by a teacher's self-assessment on reflection on his own instruction. For this reason, this study develops an assessment framework on instruction which is comprized of teacher knowledge and instructional process. To accomplish this, in this study, teacher knowledge is considered as a whole practice knowledge combined by subject matter knowledge, understanding of learners, teaching and learning methods and assessment, and instructional environment. Also, success on instruction in mathematics class might depend on the acquisition of teacher knowledge, instructional planning, instructional execution, and furthermore reflection on instruction. Especially, this study emphasizes that 'reflection on instruction', the most important step of instruction be reflected and examined by the teacher himself.

• Korean small business review
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• v.43 no.1
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• pp.131-145
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• 2021

This study aims to diagnose research trends and to deduct implications from meta analysis of entrepreneurship studies in the Asia Pacific Journal of Small Business (APJSB), one of the most well-known academic journals in management and entrepreneurship field in Korea. Frequency and crossover analysis are executed in multi-dimensions by time period, topic, author, research level, data, and methodology by complete enumeration of every published paper for 40 years in APJSB which included core terms of entrepreneurship in its title, abstract, or keywords. From objective and quantitative schematization of research trends and characteristics of entrepreneurship studies, novel improvement plans which are highly applicable in research fields are suggested such as diversification of studies from ecosystem perspective, identification of authors, and standardized system of extended abstract of research papers. Implications and suggestions derived from the results propose future research directions and tasks when entrepreneurship studies have been rapidly increased. Furthermore, the innovation plans of management system of journals and papers are expected to contribute promotion of entire studies by significantly reducing trial and error, and inefficiency in research process.

• Journal of the Institute of Convergence Signal Processing
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• v.6 no.2
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• pp.89-94
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• 2005

In this paper, we propose a fuzzy PID controller of new method. There are two problems in absolute digital PID controller. First, much calculation time need for obtain the sum of data at each period. Second, this is problem need much memory because to storage every data at the before period. We use the speed type PID digital controller to improvement such problems. In the propose controller doesn't use without adjustment the crisp output error and we doesn't use nile tables in the fuzzy inference process at the forward stage fuzzifier. We inference output member ship function by using the relation and range of two variable of PID gain parameters. We can obtained desired results through the simulation and a experiment of the hydraulic servo motor control system.

• Journal of the Korean Institute of Intelligent Systems
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• v.15 no.1
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• pp.120-125
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• 2005

In this paper, We propose the fuzzy controller for the gain tuning of PID controller The proposed controller doesn't use the crisp output error and rule tables though with a fuzzy inference process in forward fuzzifier, New Fuzzy PID Controller assigns relations and ranges of two variables of PID gain parameters. These new gain parameters are calculated by the fuzzy inference with max-min ranges of Kp and Kd. The Ki parameter is computed automatically between Kp and Kd parameter Is calculated by Ziegler-Nickels tuning rules. Finally we experimented the propose controller by the hydraulic servo motor control system. We can obtained desired results through the good control characteristics.

• Journal of KIISE:Software and Applications
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• v.26 no.3
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• pp.412-421
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• 1999

소프트웨어 개발 및 시스템을 구현하기 위해 사용되고 있는 대표적인 프로세스 모델이 IEEESTD1074-1991, ISO/IEC DIS12207-1, SPICE 모델, MIL-STD 498이다. 이들을 실제 국내 프로젝트들에 적용하기 위해 여러 가지 해결방안이 연구되고 있다. 일반적으로 프로젝트을 수행할 때, 개발 이전 단계 프로세스 설계의 실패는 전체 프로젝트 공정에 영향을 준다. 본 논문에서는 프로세스 중심 소프트웨어 엔지니어링 환경을 기반으로 하여 개발 이전 단계의 프로세스를 설계하는 방법을 제안한다. 이 방법은 프로세스, 활동, 테스크들의 연관관계를 도식화하고 있다. 그리고 설계된 결과를 국내 프로젝트들에 적용, 그 결과를 분석한다.

• Fire Science and Engineering
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• v.19 no.2 s.58
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• pp.13-19
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• 2005

The vitual reality technology to assist fire activities has been developed using Geographic Information Systems (GIS). For this, the 3D-geographic information of Nagasaki city, Japan was constructed from tracing the aerial photograph and adding the height information of measured buildings including stairs. And also, with large multi-plane stereo presentation equipment called Immersible Projection Technology (IPT), and the 3D-digital map was presented in actual scale of town. As the result, the observer could obtain three-dimensional information in the various angles as if we can gain our experience at first hand, it will help to assist fire activities.