• 전자공학회논문지C
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• 제34C권8호
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• pp.22-38
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• 1997

This paper proposes a new VLSI architecture for morphological filters and presents its chip design and implementation. The proposed architecture can significantly reduce hardware costs compared with existing architecture by using a feedback loop path to reuse partial results and a decoder/encoder pair to detect maximum/minimum values. In addition, the proposed architecture requires one common architecture for both diltion and erosion and fewer number of operations. Moreover, it can be easily extended for larger size morphologica operations. We developed VHDL (VHSIC hardware description language) models, performed logic synthesis using the SYNOPSYS CAD tool. We used the SOG (sea-of-gate) cell library and implemented the actual chip. The total number of gates is only 2,667 and the clock frequency is 30 MHz that meets real-time image processing requirements.

• KSII Transactions on Internet and Information Systems (TIIS)
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• 제12권12호
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• pp.5669-5684
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• 2018

The new mobile edge network architecture has been required for an increasing amount of traffic, quality requirements, advanced driver assistance system for autonomous driving and new cloud computing demands on highway. This article proposes a hierarchical cloud computing architecture to enhance performance by using adaptive data load distribution for buses that play the role of edge computing server. A vehicular dynamic cloud is based on wireless architecture including Wireless Local Area Network and Long Term Evolution Advanced communication is used for data transmission between moving buses and cars. The main advantages of the proposed architecture include both a reduction of data loading for top layer cloud server and effective data distribution on traffic jam highway where moving vehicles require video on demand (VOD) services from server. Through the description of real environment based on NS-2 network simulation, we conducted experiments to validate the proposed new architecture. Moreover, we show the feasibility and effectiveness for the connected car media service on highway.

• 제어로봇시스템학회:학술대회논문집
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• 제어로봇시스템학회 2002년도 ICCAS
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• pp.92.5-92
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• 2002

$\textbullet$ Introduction to the concept of the Mobile Robot working mode(online and of offline mode) $\textbullet$ Introduction to the Issac Robot Specification $\textbullet$ Discussion on the technology selection $\textbullet$ Description of the system and software architecture $\textbullet$ System implementation result. $\textbullet$ Conclusion and future work

• 한국정보과학회:학술대회논문집
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• 한국정보과학회 2002년도 가을 학술발표논문집 Vol.29 No.2 (2)
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• pp.16-18
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• 2002

컴포넌트 시스템은 잘 정의된 아키덱처를 기반으로 개발되어야 한다. 소프트웨어 아키텍처를 정확하고 엄밀하게 설계, 분석하기 위해서는 아키텍처 기술언어(ADL)의 사용이 필요하다. 컴포넌트 시스템의 아키텍처 모델링에 ADL을 효과적으로 사용하기 위해서는ADL로 기술된 명세 수준의 아키텍처 모델로부터 목표한 플랫폼에 부합하는 컴포넌트 시스템을 효율적으로 구현할 수 있어야 한다. 본 논문에서는 C2 스타일의 아키텍처에 기반한 컴포넌트 합성을 지원하는 ADL을 설계, 구현한 결과와 이를 EJB 컴포넌트들의 조립을 지원하는도구의 아키텍처 기술 언어로 사용한 사례를 설명한다.

• 대한전기학회:학술대회논문집
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• 대한전기학회 1988년도 전기.전자공학 학술대회 논문집
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• pp.659-661
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• 1988

SPM is MDC Processor for string pattern expressed in directional chain code. In this paper we consider the string pattern matching algorithm (Leve-nstein Algorithm) whitch is portion of Dynamic Programing, and propose architecture of SPM and simulate it on the R-T level to evaluate its architecture. We used the C language as the hardware description language, and developed it on the IBM PC/AT Zenix system V OS environment.

• 한국멀티미디어학회논문지
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• 제10권12호
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• pp.1585-1590
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• 2007

This paper introduces adaptive PRML (Partial Response Maximum Likelihood) architecture with PR (a,b,c,d,e) channel type for the improved readability of high-density optical discs with capacity greater than 30GB. The proposed PRML architecture consists of an adaptive equalizer, a Viterbi detector and a channel identifier. Detailed description for each component is included. The architecture is implemented in chip and also confirmed its performance on the test board mounting the chip. Test results show that the proposed 5-tap PRML architecture is well operated, and less than $2{\times}10^{-4}$ of BER (Bit Error Rate) is achieved with radial and tangential tilt margin of ${\pm}0.6^{\circ}$ on self-made 30GB BD at 1x speed.

• Journal of Advanced Marine Engineering and Technology
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• 제32권4호
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• pp.611-617
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• 2008

In ubiquitous environments, the content adaptable services can be dynamically provided to adapt the frequent changes of contexts. These services have common things that the kinds of context factors are limited to ubiquitous environment, though the contexts are flexible. To reuse service architecture can be reasonable for effective adaptable service. In this paper, we design a software architecture with product line techniques for content adaptable applications in ubiquitous environment. Description of product line is to define variation points and their variants, to find out the dependencies between them and to keep the model based architecture, their alternatives.

• 한국산학기술학회논문지
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• 제19권3호
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• pp.90-95
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• 2018

한반도는 더 이상 화산재해로부터 안전한 지역이 아니다. 따라서 대한민국 정부는 2014년부터 화산재해에 의한 피해를 예측하고 대응하는 공간정보 기반의 시스템 구축기술을 개발하여 왔다. 이 기술의 결과물인 화산재해대응시스템은 1단계로 2016년도에 구축이 완료되었다. 이후 사용자 요구사항을 반영한 고도화를 위해 2단계 구축기술이 개발되고 있다. 기존 시스템을 고도화하기 위해서는 아키텍처를 재설계 하는 것이 필수적이다. 본 논문은 화산재해대응시스템 고도화를 위한 응용아키텍처의 재설계를 다루었다. 첫째, 1단계에 구축되었던 시스템의 기존 응용아키텍처를 분석하였다. 둘째, 시스템 고도화를 위한 사용자 요구를 분석하였다. 분석된 사용자의 요구사항은 시나리오 지향에서 업무지향형으로의 변화, 정확도 제고를 위한 기능의 추가, 그리고 공간 및 재해대상의 확대기능 추가의 범주로 분류될 수 있다. 셋째, 기존 시스템 아키텍처와 사용자의 요구사항에 대한 차이를 분석하여 응용아키텍처를 재설계하였다. 본 연구에서 제시된 응용아키텍처의 재설계는 엔터프라이즈 아키텍처 구조에 기반을 두어 책임자 관점의 응용시스템 구조도와 응용기능 기술서로 표현되었다. 본 연구의 결과는 시스템 구축을 위한 설계자 관점의 응용모듈 설계서와 응용모듈 상세기술서 도출에 활용될 것이다. 또한 시스템 구축을 위한 하드웨어 아키텍처와 소프트웨어 아키텍처의 구성방안이 추가로 연구되어야 할 것이다.

• 대한전자공학회:학술대회논문집
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• 대한전자공학회 2002년도 하계종합학술대회 논문집(2)
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• pp.289-292
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• 2002

In this paper, an efficient architecture for the finite field multiplier is proposed. This architecture is faster and smaller than any other LFSR architectures. The traditional LFSR architecture needs t x m registers for achieving the t times speed. But, we designed He multiplier using a novel fast architecture without increasing the number of registers. The proposed multiplier is verified with a VHDL description using SYNOPSYS simulator. The measured results show that the proposed multiplier is 2 times faster than the serial LFSR multiplier. The proposed multiplier is expected to become even more advantageous in the smart card cryptography processors.

• 한국조경학회지
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• 제21권3호
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• pp.35-49
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• 1993

The purpose of this study is to establish some concepts, objects, and methodologies which are essential components in the theoretical inquiry of Landscape Architectural Criticism(LAC), and to explore the structure of LAC. Theough comparing the artistic characteristics of landscape architecture with the latent criticism in it, and introducing some important concepts of criticism and aesthetics, the concept of LAC is defined operationally. And through grasping changes of the definitions and concepts about landscpae architecture, and classifying the fields of it which are related to critical structure, the objects of LAC are established. According to Virgil C. Aldrich and many other aestheticians, general aspects of criticism are divided into $\circled1$analysis, $\circled2$ evaluation, $\circled3$interpretation, and $\circled4$description. Through these aspects and Wayne Attoe's opinion(which seemed to be generalized in architectural), the pertinent methodologies of LAC are explored.