• Proceedings of the Korean Institute of Interior Design Conference
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• 2006.11a
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• pp.54-57
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• 2006

The digital modeling process is visualization of designer's specific intension in digital virtual space by constructing computer and information system that fits the designer's intension and morphological characteristic of the space that to be modeled. Digital Modeling Process has been brought to attention for it's design efficiency and potentialities as new creative tool. The effect of DMP, in spacial design process has been grown from simply providing a ways to visualize designer's idea toward utilizing modeling data for real construction which includes architectural and constructional material. The purpose of this study is to find optimal methodological answers to spatial design process that is improved and specialized due to rapid improvement of digital media.

• Proceedings of the Korean Society of Computer Information Conference
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• 2014.07a
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• pp.317-318
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• 2014

유전자 알고리즘은 문제 크기가 커짐에 따라 해집합이 폭발적으로 늘어나 최적해를 찾기 힘든 최적화 문제에 주로 적용되는 알고리즘으로, 최근에는 게임에서의 경로찾기, 인공지능 및 레벨디자인 문제에 많이 적용되고 있다. 본 논문에서는 퍼즐게임에서의 레벨디자인 문제의 해법으로 유전자 알고리즘의 적용 방법을 제안한다. 본 논문에서 적용한 퍼즐게임은 주어진 그림에 도형 조각을 가능한 빠른 시간 내에 맞추는 게임으로, 스테이지가 진행됨에 따라 높은 난이도의 퍼즐이 나타나도록 하는 것이 중요하다. 제안된 알고리즘을 통해 퍼즐게임의 유의미한 레벨 조절이 가능함을 확인할 수 있었다.

• 한국IT서비스학회:학술대회논문집
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• 2008.05a
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• pp.546-551
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• 2008

기업들 간의 경쟁이 치열해짐에 따라 기업들은 최종 제품뿐만 아니라 최종 제품을 생산하는 프로세스에 대한 효율에 관심을 갖기 시작하였다. 또한 기업들은 자사의 핵심 역량을 중심으로 기업 구조를 재편하고, 핵심 역량 이외의 부분은 아웃소싱을 맡기고 있다. 이러한 상황에서 기업은 다양한 파트너들과 비즈니스 프로세스를 공유하고, 결합 관계에 따라 유연하게 구성할 수 있어야 한다. 기업의 비즈니스 프로세스에 대한 중요성을 일찍 깨닫고 많은 기업들이 프로세스 혁신 작업을 수행하였다. 몇몇 기업은 주목할만한 큰 성공을 거두었음에도 불구하고 기대했던 성과를 거두지 못한 체 많은 비용만 소모한 기업도 존재한다. 이와 같은 일들은 비즈니스 프로세스 디자인을 위한 방법에 대한 개선이 필요함을 시사한다. 하지만 대부분의 방법은 프로세스 디자인을 시각화하고, 평가하는데 중점을 둔 분석 도구의 기능에 편중되어 있으며, 여전히 프로세스의 실제 디자인을 지원하는 형식적인 모델링에 대한 연구는 여전히 부족한 실정이다. 따라서 본 논문에서는 비즈니스 프로세스의 모델링의 응용 분야로 기업 어플리케이션 통합으로 각광받고 있는 웹 서비스를 선택, 웹 서비스로 이루어진 프로세스의 최적화된 디자인을 지원하는 수리 모델을 제시하고자 한다.

• Proceedings of the Korean Information Science Society Conference
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• 2010.06c
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• pp.545-549
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• 2010

LLVM(Low-level Virtual machine)은 최적화된 컴파일 코드 생성을 위한 컴파일러 프레임워크를 목적으로 제작되었다. LLVM은 C언어로 작성된 코드를 효과적으로 머신에 비종속적인 중간코드로 표현하여 사용하므로 이를 잘 활용한다면 C언어를 위한 머신 비종속적인 '가상머신'으로 사용할 수 있다. 하지만 LLVM은 효과적인 컴파일러라는 원래의 설계목적 때문에 전반적으로 동적 수행에 대해 큰 고민 없이 디자인되었다. 이러한 디자인상의 한계는 가상 머신으로서의 성능에는 좋지 않은 영향을 끼치므로 이에 대한 보안이 필요하다. 우리는 LLVM의 명령어 셋에 추가명령어를 제안하여 LLVM 해석기의 성능향상을 얻어낼 것이다.

• The Journal of the Korea institute of electronic communication sciences
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• v.7 no.1
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• pp.203-211
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• 2012

Network security infrastructure is constantly developing based on the combination and blending of various types of devices. From the form of distributed control, the phased defense policy such as fire walls, virtual private communication network, invasion prevention system, invasion detection system, corporate security management, and TSM (Telebiometrics System Mechanism), now it consolidates security devices and solutions to be developed to the step of concentration and artificial intelligence. Therefore, this article suggests network security infrastructure design types concentrating security devices and solutions as platform types and provides network security infrastructure design selecting methodology, the foundational data to standardize platform design according to each situation so as to propose methodology that can realize and build the design which is readily applied and realized in the field and also can minimize the problems by controlling the interferences from invasion.

• The KIPS Transactions:PartA
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• v.13A no.4 s.101
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• pp.275-288
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• 2006

Rapid design space exploration is crucial to customizing embedded system design for exploiting the application behavior. As the time-to-market becomes a key concern of the design, the approach based on an application specific instruction-set processor (ASIP) is considered more seriously as one alternative design methodology. In this approach, the instruction set architecture (ISA) for a target processor is frequently modified to best fit the application with regard to code size and speed. Two goals of this paper is to introduce our new retargetable compiler and how it has been used in ASIP-based design space exploration for a popular digital signal processing (DSP) application. Newly developed retargetable compiler provides not only the functionality of previous retargetable compilers but also visualizes the features of the application program and profiles it so that it can help architecture designers and application programmers to insert new application specific instructions into target architecture for performance increase. Given an initial RISC-style ISA for the target processor, we characterized the application code and incrementally updated the ISA with more application specific instructions to give the compiler a better chance to optimize assembly code for the application. We get 32% performance increase and 20% program size reduction using 6 audio codec specific instructions from retargetable compiler. Our experimental results manifest a glimpse of evidence that a higgly retargetable compiler is essential to rapidly prototype a new ASIP for a specific application.

• Journal of the Korea Society of Computer and Information
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• v.28 no.10
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• pp.17-25
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• 2023

In this paper, we propose a lightweight deep learning architecture tailored for efficient text detection in fashion design sketch images. Given the increasing prominence of Digital Transformation in the fashion industry, there is a growing emphasis on harnessing digital tools for creating fashion design sketches. As digitization becomes more pervasive in the fashion design process, the initial stages of text detection and recognition take on pivotal roles. In this study, a lightweight network was designed by building upon existing text detection deep learning models, taking into consideration the unique characteristics of apparel design drawings. Additionally, a separately collected dataset of apparel design drawings was added to train the deep learning model. Experimental results underscore the superior performance of our proposed deep learning model, outperforming existing text detection models by approximately 20% when applied to fashion design sketch images. As a result, this paper is expected to contribute to the Digital Transformation in the field of clothing design by means of research on optimizing deep learning models and detecting specialized text information.

• The Journal of the Convergence on Culture Technology
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• v.10 no.4
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• pp.495-499
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• 2024

This article summarizes the importance, definition, key strategies and future directions of sustainable packaging design.In modern society, sustainable packaging design is not only concerned with environmental protection and resource conservation, but also involves economic, social and cultural sustainable development.This paper explores strategies to reduce environmental burden and promote ecological balance by using environmentally friendly materials, optimizing packaging design, improving packaging recyclability and reuse. In addition, the article emphasizes the importance of design innovation, such as adopting a simplified design concept and modular system, as well as increasing the versatility of packaging.It also explores the application of life cycle assessment in packaging design to ensure that every step from design to disposal minimizes environmental impact. Finally, despite the environmental and social benefits that sustainable packaging design brings, it still faces technical, economic and regulatory challenges in practice.Future design will require interdisciplinary collaboration, integration of advanced technologies, consumer education and engagement, and enhanced policy and standard-setting to promote widespread adoption and practice of sustainable packaging.

• The Journal of the Korea Contents Association
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• v.11 no.9
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• pp.85-95
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• 2011

Recently, sudden interests of mobile cloud computing as well as conventional internet environment are rapidly increased as cloud computing spread out in our web society. Mobile devices including smart phone are rapidly changing in a wholesale way that covers hardwares, applications, and services. However, the Internet access using mobile device is not quite smooth in this local mobile internet environment which suffers from lack of understanding and observance of Web Standards. Although most of domestic web sites are developed focusing on various functions and eye-catching designs, this should became one of the main factors that make the usability and accessability decrease when accessing web with smart phones or table PCs. Therefore, this paper suggested a web interface that considered usability and accessability under mobile cloud environment and we tried to prove it via usability test. It could be found that there was an improvement of usability of interface of the main page that has been optimized to the mobile device environment suggested from the previous research we present, but this paper aimed to prove a usability improvement of total website as a whole by performing the usability test on the entire website. Selecting a special website optimized for mobile cloud computing, we prove an improvement of usability and accessibility. Therefore, we offer a guideline about user interface design applications to developers or companies who want to construct mobile website.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2016.10a
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• pp.239-242
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• 2016

In recent years, Unmanned Aerial Vehicles (UAV) have been developed for both military and civilian activities in regions where the presence of onboard human pilots is risky or not necessary. However, UAV require a high demand of power to achieve its missions such as taking images/videos in a certain area or surveillance activities. Therefore, this situation triggers the need of techniques to reduce power consumption for UAV to complete its mission safely. One of the methods is to use a waypoint optimization procedure which deals with a pre-specified set of waypoints to find a minimum route to fly through those waypoints in order to reduce power consumption. In this paper, due to the UAV's multidisciplinary which makes it impossible to be represented as an analytical model, we design a simulation model of UAV using MATLAB Simulink and AeroSim Blockset, an analysis package in aerospace industry. The simulation model is then coupled with optimization algorithms along with a set of waypoints (flight path) in order to measure at which percentage power consumption can be minimized for UAV.