• Korean Journal of Computational Design and Engineering
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• v.11 no.6
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• pp.455-463
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• 2006

Hidden line removal(HLR) algorithms can be devised either in the image space or in the object space. This paper describes a hidden line removal algorithm in the object space specifically for the CAD viewer data. The approach is based on the Appel's 'Quantitative Invisibility' algorithm and fundamental concept of 'back face culling'. Input data considered in this algorithm can be distinguished from those considered for HLR algorithm in general. The original QI algorithm can be applied for the polyhedron models. During preprocessing step of our proposed algorithm, the self intersecting surfaces in the view direction are divided along the silhouette curves so that the QI algorithm can be applied. By this way the algorithm can be used for any triangulated freeform surfaces. A major advantage of this algorithm is the applicability to general CAD models and surface-based visualization data.

• Journal of the Korea Convergence Society
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• v.8 no.8
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• pp.283-289
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• 2017

This study aims to create artworks where characteristics of paintings appear by converging beauty illustration that conducts proactive activities in an area of arts with watercolor techniques. It carries academic significance in that it delves into convergence design that reflects creative expression by putting the spotlight on diversified expressive methods of beauty illustraion through watercolor techniques. As for a method of the study, preceding studies and technical books were examined, and a total of four beauty illustration artworks were created centering on art makeup design by classifying watercolor techniques into gradient technique and overlap lining technique. First of all, the result made it possible for watercolor techniques to explore unlimited possibilities at a time of suggesting another expressive method of beauty illustration. Second, it was possible to express unique art makeup design through clear and candid characteristics inherent in watercolor paintings. In this regard, the study enhanced accessibility by departing from limited expression methods applied to beauty illustration to induce a wider range of artworks. It is hoped that beauty illustration can be specialized to achieve an independent artistic domain equipped with diversity and professionalism.

• Journal of the Korean Society of Clothing and Textiles
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• v.27 no.11
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• pp.1208-1218
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• 2003

The purpose of this study is to examine the expressional characteristics and effects of Diabolism image that appeared in fashion illustration. The concept of evil from ancient times is arranged with more basic pain, unhappiness, breakdown, fear, ignorance, sadness, imperfection, death, disease, and ugliness than it can be understandable in modern society. However, as the concept of evil is included in sacred ground of art and is begun to understand by the ugliness of broad sense, the evil and ugliness were recognized as subordinate concepts which fertilizing beauty. Also, image characteristics of Diabolism in pop culture are taking charge roles that remove visual discordance to decadent and mysterious beauty and trying to find new beauty by presentation of bad-tasted style. The aesthetic and expressional characteristics of Diabolism in modem visual media have something in common which is classified into five shapes: Negative image, Symbolic line and color, Transformation, Devilish shape, and Fantastic image. The Diabolism expressions in fashion illustration since 1980 show the possibility of image expression as a new technical field because they differ from existing expression methods and viewpoints of beauty. Therefore, the practical use of devilish image to express excessive aesthetic sense can expand the extent of image expression.

• Journal of the Korean Society of Fisheries and Ocean Technology
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• v.55 no.4
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• pp.392-401
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• 2019

This study describes how the illustration book of Korean coastal and offshore fishing boats was published. The illustration book provides information on fisheries which need boats for their fishing operation. The book contains 25 fishing boats belonging to 15 offshore fisheries and six boats belonging to five coastal fisheries totalling 31 boats belonging to 20 kinds of fisheries. Until now, no books were available in Korea on fishing boats which provided illustrated descriptions of their use in fishing. We carried out field and literature surveys of fishing boats for three years (2016-2018) and the results were compiled into three-dimensional modeling images with schematic drawings of fishing boats, along with text explanations. The particulars and technical drawings of lines, general arrangement (GA), fishing gears and methods are collected and summarized. All fishing boats are modeled with 3D color graphics. The particulars and names of the main items of the fishing equipment are presented besides structural parts. In addition the fishing gear, fishing season and grounds, number of crews and target species for each boat are correctly described. The illustration book of Korean coastal and offshore fishing boats will contribute to understanding the current status of fishing techniques in Korea and will assist in developing new types of fishing boats.

• Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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• 2003.05b
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• pp.119-122
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• 2003

The purpose of this study is to find problems of "Electricity equipmentand" and "Electricity practic II" tectbook applied in 6th Technical High School Curriculum and to make direction of "Power equipment II" textbook applied in 7th Technical High School Curriculum. The method of this study is questionnaire survey. 120 teachers of 40 schools were selected by cluster sampling method. The main findings of this study are as follow. 1) We should make the composition of textbook easy. 2)The illustration, photograph and drawing of textbook are fitted well. 3) "power equipment II" textbook applied in 7th Technical High School Curriculum would contented follows : lighting equipment, elevator equipment, broadcasting equipment, interphone equipment.

• Structural Engineering and Mechanics
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• v.7 no.3
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• pp.259-276
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• 1999

An analytical solution for the shape functions of a beam segment supported on a generalized two-parameter elastic foundation is derived. The solution is general, and is not restricted to a particular range of magnitudes of the foundation parameters. The exact shape functions can be utilized to derive exact analytic expressions for the coefficients of the element stiffness matrix, work equivalent nodal forces for arbitrary transverse loads and coefficients of the consistent mass and geometrical stiffness matrices. As illustration, each distinct coefficient of the element stiffness matrix is compared with its conventional counterpart for a beam segment supported by no foundation at all for the entire range of foundation parameters.

• Electronics and Telecommunications Trends
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• v.34 no.3
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• pp.34-42
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• 2019

This study introduces artificial intelligence (AI) techniques for video generation. For an effective illustration, techniques for video generation are classified as either semi-automatic or automatic. First, we discuss some recent achievements in semi-automatic video generation, and explain which types of AI techniques can be applied to produce films and improve film quality. Additionally, we provide an example of video content that has been generated by using AI techniques. Then, two automatic video-generation techniques are introduced with technical details. As there is currently no feasible automatic video-generation technique that can generate commercial videos, in this study, we explain their technical details, and suggest the future direction for researchers. Finally, we discuss several considerations for more practical automatic video-generation techniques.

• Korean Journal of Computational Design and Engineering
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• v.18 no.4
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• pp.267-274
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• 2013

This study focuses on the data schema and data content, which includes maintenance data, data structures and illustration data relevant with the maintenance process of ship and offshore structures. Product lifecycle management (PLM) is expected to encompass all the product data generated for the operation and maintenance information as well as the design and production. This paper introduces a data exchange schema in PLM of ship and offshore, serving as the basis for the role of standards required by the middle-of-life PLM. Also this paper identifies a typology of standards relevant to PLM that addresses the schema of evolving standards and identifies a XML schema supporting the exchange of data related with maintenance operations. Technical document based on standards in accordance with S1000D and Shipdex is explained. A case study illustrating the use of standard data exchange and technical document is presented.

• Journal of Engineering Education Research
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• v.13 no.5
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• pp.66-71
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• 2010

Recently, engineering work become very important for the leaders of the information society for the future knowledge in the 21st century and the goal of engineering education is to prepare people to practice engineering as a profession and also to spread technological literacy, increase student interest in technical careers through science and math education. The College of Engineering (COE) of Korea Maritime University (KMU) aims to be the center of both IT-related high industrial technology and the industries related to port, shipbuilding and the ocean. Especially COE focuses on the educational principles to contribute to the development of the country and the regional communities by educating specialists that have international competitiveness. With the need to expand international collaboration in terms of engineering work, it is proposed to initiate a new state of the Asian-Pacific body of engineering conference. To the extent possible the basic discussion was made to expose elements and supports as full-scale illustration of the engineering conference. The result is a body that evokes multi agreement and joint declaration among members.

• The Transactions of the Korean Institute of Electrical Engineers
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• v.41 no.4
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• pp.422-432
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• 1992

Previous investigations of redundant manipulators have often focussed on local optimization for redundancy resolution by using the Jacobian pseudoinverse to solve the instantaneous relationship between the joint and end-effector velocities. This paper establishes some new goals for redundancy resolution at position level by using configuration control approach which has been recently developed. Minimum gravity loading, joint limit avoidance, minimum sensitivity, maximum stiffness and minimum impulse are introduced as redundancy resolution goals. These new goals for redundancy resolution allow more efficient utilizations of the redundant joints based on the desired task requirements. Simple computer simulation examples are given for illustration.