• Journal of the Korean Graphic Arts Communication Society
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• v.15 no.2
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• pp.91-106
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• 1997

The new algorithm for halftone generation for gravure engraving was developed. The basic concept of this algorithm is based on the mapping and equal density expansion methods that we are mapped out. The program was used by the Microsoft Visiul C++2.0 and could be loaded in IBM personal computer.

• Proceedings of the Korean Institute of Interior Design Conference
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• 2007.05a
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• pp.71-72
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• 2007

In this study and design, I explore the visual communication design process related to wayfinding in Wonkwang University Hospital in Iksan City. The purpose for designing an integrated is to graphically communicate the complex information. I have designed a graphic information system combining graphic elements such as typography, color, image and text layout, and graphic image to present interpretive and communicative processes. As a result of designing, the wayfinding is s term used to describe the program of applying environmental graphics and or architectural sign systems. In other words, wayfinding is the art of helping people find their way by utilizing visual communications such as signs, directories, landmarks, edges, paths and so on. Wayfinding can also be explained as the ability to know where one is in space and how to find one's way through space. Wayfinding design then becomes a systematic arrangement of the variables that allows patients and visitors to successfully find their desired destinations, especially in a hospital.

• Proceedings of the KIEE Conference
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• 2001.11b
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• pp.133-136
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• 2001

In this paper the Graphic-based Power System Simulator(GPSS) program is introduced. GPSS is a Power System Simulator that is designed to provide friendly and highly interactive Graphic User Interface(GUI). The main features of GPSS are graphical free editing, quick and fine System-Drawing and Load-Flow analysis. Most of all, mapping power system data(only pure text information) into Graphic Data is of very practical use to power system designer and analyst.

• The Journal of Korean Institute of Communications and Information Sciences
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• v.15 no.10
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• pp.857-867
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• 1990

Sine CAM structure is regular structure as that of RAM of PLA, CAM generator program is easy to implement. This program outputs CAM layout in the form of CIF(Caltech Intermediate Format) and graphic display program is debugging or displaying CAM generator output, which are implemented on PC/AT with MS C(5.0) graphic library and C language. CIF parser is programmed with YACC(Yet Another Compiler Compiler) and LEX (Lexical Analyzer) in order to flat the CIF data. For the purposed of plotting the layout output using ROLAND XY plotter is developed. By combining these program described above, from CIF generation to layout plotting can be executed on pull-down menu according to user's option.

• Journal of the Ergonomics Society of Korea
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• v.5 no.2
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• pp.3-9
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• 1986

The present paper deals with obtaining the proper application criteria for the control mode, by using computer graphic simulation, in order to recover the error effectively occurring in the practical supervisory contol work of hyman-robot system. In these experiments the opteations by human and by control program are performed as control modes for recovering the error. And then we compare and analyze tow control modes taking task error and task time as performance measures and task difficulty as a variable factor. Consequently as the task difficulty increases, the task error in the operation by hyman tends to be less than in the operation by control program and the task time is superior in the operation by control program. Therefore, we suggest that two control modes should be used jointly for recovering the error and the operation by control program should be applied in major fraction of control and the operation by human in minor fraction of control.

• 한국전산유체공학회:학술대회논문집
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• 2007.10a
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• pp.67-72
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• 2007

A post-processing program based on the OOP(Object-Oriented Programming) concept has been developed for visualization of MRI. User-friendly GUl(Graphic User Interface) has been built on the base of MFC(Microsoft Foundation Class). The program is organized as modules by classes based on VTK-library, and these classes are made to function through inheritance and cooperation which are an important and valuable concept of object-oriented programming. The major functions of this post-processor program are introduced and demonstrated, which include contour plot, surface plots, cut plot and clip plot as well as view manipulation (translation, rotation, scaling etc).

• Journal of Korean Library and Information Science Society
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• v.44 no.4
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• pp.177-207
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• 2013

This study was conducted to verify the effects of an school library program using picture books and graphic organizers on first grade children's literacy abilities and book lending, and to evaluate the program with mothers' and mentors' responses. Twenty eight first graders of an elementary school in Kyunggi province participated in this program. Their reading and writing abilities were tested, and their book lending behaviors were compared before and after the whole program. The participants explored 20 picture books by reading aloud and expressed their responses on the graphic organizers over 11 weeks. The findings of this study after the whole session was complete were as follows. First, participants significantly improved in reading comprehension and writing assessed in terms of fluency, format, organization, expression, contents, and themes. Second, they lent books more frequently from the library than before. Third, participants' mothers showed great satisfaction for the program in that it enhanced child's reading ability, reading attitude, and mother's interest in children's books and library, and mentors also reported very positive impact of this program to themselves.

• The Transactions of the Korean Institute of Electrical Engineers P
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• v.52 no.3
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• pp.121-126
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• 2003

In this paper, we propose the haptic system for the real-time virtual environment-control, which controls the sense of sight, hearing and touch. In order to maintain the stable haptic system in this study, we apply the proxy force rendering algorithm and the real-time graphic deformation algorithm based on the FEM. The applied proxy algorithm makes the system possible to be more stable and prompt with a virtual object. Moreover, the haptic rendering algorithm is applied to work out a problem that the tactual transaction-period is different from the graphic transaction- period. The graphic deformation algorithm is developed in the real-time using the deformed FEM. To apply the FEM, a deformed material-model is produced and then the graphic deformation with this model is able to force. Consequently, the graphic rendering algorithm is deduced by the real-time calculation and simplification because the purpose of this system is to transact in the real time. Applying this system to the PC, we prove that it is possible to deform the graphics and transact the haptic. Finally we suggest the variable simulation program to show the efficiency of this system.

• The Journal of the Korea institute of electronic communication sciences
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• v.4 no.4
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• pp.281-286
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• 2009

For the development of application program on mobile device, standardized visual UI is very important to user in addition to functional implementation of service. The UI can give not only more convenient usage to consumer but also an positive impact on the marketing of manufacture or vendor. Generally, in order to make a good UI style, the development of application program should have consistency between most of developers and sometimes require the unique style. But it is difficult to satisfy the requirement by only oneself development of application program. In this paper, we suggests the design of graphic middleware, which helps to make consistent and unique UI style. It can be used for the design of all applications to be included in the mobile device.

• KSCE Journal of Civil and Environmental Engineering Research
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• v.3 no.2
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• pp.61-72
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• 1983

This paper is a study on the plotting of engineering survey plan using Computer Graphic System. This study aims for a more systematic method in the computer aided design. Plotting of lines, characters in engineering survey plans are handled in a more systematic and effective way by means of the program developed in this paper.