• 한국콘텐츠학회:학술대회논문집
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• 한국콘텐츠학회 2003년도 춘계종합학술대회논문집
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• pp.165-170
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• 2003

본 논문에서는 암호화 모듈을 적용한 콘텐츠 전송 시스템을 제안한다. 사용자측의 전용 브라우저를 통해 RSA 암호화 알고리즘과 XOR 연산 기법으로 암호화된 콘텐츠를 제공함으로써 콘텐츠 불법 유통과 불법 복제를 방지하고 기존의 콘텐츠 전송 시스템들이 전송 도중의 공격에 취약한 점을 보완한다. 또한 재생 완료 즉시 전용 브라우저로 암호키를 갱신함으로써 콘텐츠와 전용 브라우저를 1:1 관계로 묶어 저작권을 보호한다.

• 유통과학연구
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• 제14권8호
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• pp.153-160
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• 2016

Purpose - The current distribution enterprises have realized the necessity for integrated and specialized images in their stores. From those reasons, visual merchandising has been considered as a powerful means towards brand value judgement as well as maximizing both brand and corporate identity. This research intends to study and discuss the current situations in Korean visual merchandising and its future concept setting. Based on the research findings, this paper tries to propose the basic concept for development strategies of visual merchandising in Korean distribution market. Although the studies on visual merchandising in Korean traditional markets have been continued, visual merchandisers have been distorted by display control centers in real situations. Therefore, this study tries to set both current and future concepts in visual merchandising for further discussions and a new complement formulation. Research design, data, and methodology - This study has investigated previous studies with the way of normative study by comparing, organizing concepts and relating terms on visual merchandising. In order to be an exact research, it seems to be more appropriate to analyze this study with a deductive analysis way rather than inductive as for getting the core of visual merchandising. Besides, this study changed the term 'visual merchandising' into 'VMD', and used it as an unified one. Results - Visual merchandising has an important key in retail planning. With focusing on organizing visual merchandising concepts, it should be adequate for domestic circumstances because there are various visual merchandising concepts with different perspectives. Thus, it is necessary to establish a concept including modern and Korean features through previous studies and data. Visual merchandising can be defined as followings. It enhances the value of shop images from visual aspects and conveys brand concepts effectively. Its task is to plan and manage products sales by combining three merchandising domains such as interior, display, and merchandising. Conclusions - There are some limitations on setting academic concepts in visual merchandising due to its features as to be taken in the field focused studies. More meaningful case studies should be performed as an area of future studies. Therefore, it is necessary to perform an effectiveness analysis on empirical visual merchandising state and present the course of development.

• 대한공간정보학회지
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• 제18권3호
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• pp.57-65
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• 2010

본 연구에서는 디지털워터마킹 방법을 이용하여 디지털 지적도면의 불법유통과 불법복제 등을 방지할 수 있는 대책을 마련하여 보고자 하였다. 이를 위해 기존 연구의 워터마킹 방법을 토대로 지적도면의 특성에 적합하도록 디지털 워터마킹 방법을 개발하고, 이에 대한 성능을 평가하여 보았다. 연구결과, 기존 연구성과를 토대로 워터마크키와 일방함수를 이용하여 알고리즘을 보완함으로써 워터마킹의 보안성을 강화하였다. 또한 충실도, 강인성, 긍정적 오류율을 모두 만족시키는 동시에 위상 관계 역시 변화가 없는 것으로 나타났다. 본 연구에서 제시하는 방법은 지적도면 뿐만 아니라 GIS, 네비게이션 데이터와 같은 벡터데이터에도 이용 가능하도록 개선하였기 때문에 향후 방법론에 대한 추가적인 보완을 통한다면 보다 광범위하게 이용될 수 있을 것으로 기대한다.

• 한국산학기술학회논문지
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• 제12권1호
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• pp.436-444
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• 2011

최근 멀티캐스팅의 활용도가 높아짐에 따라 그에 대한 보안이 중요한 문제로 인식되게 되었다. 멀티캐스트 환경에서 보안성을 제공하기 위해 지금까지 진행되어 오고 있는 연구는 주로 그룹 키 관리기법에 관한 것이다. 멀티캐스트 보안에 있어서 가장 중요한 것은 허가된 멤버만이 데이터에 접근할 수 있어야 한다. 이는 적합한 그룹 멤버들만이 공유하는 그룹 키를 통해 데이터를 암호화하여 전송함으로써 해결된다. 본 논문에서는 안전한 멀티캐스트 데이터를 전달하기 위하여 그룹 가입/탈퇴가 빈번한 멀티캐스트 환경에 적합한 에이전트기반의 그룹 키 관리방안을 제안하고자 한다. 에이전트기술을 도입하여 전체그룹을 여러 개의 서브그룹으로 분할하여 에이전트가 각 서브그룹의 멤버들을 관리하도록 한다. 또한 에이전트 내부에서는 트리기반으로 키를 관리하고 키 갱신을 위하여 일방향 해쉬함수를 사용한다. 이러한 제안방식은 통신 중간단계에서의 그룹 키 교환을 배제하여 키 노출을 방지하고 키 재분배 과정에서 발생하는 지연을 감소시킬 수 있다.

• 제어로봇시스템학회논문지
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• 제16권2호
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• pp.126-133
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• 2010

Due to the deployment of various wireless networks originating from CDMA, GSM, and WLAN, it became very convenient to exchange information from one place to another. As compared with the traditional environments for one-way information distribution based on fixed radio frequency bands, the convenient wireless network environments will bring about many changes in positioning technologies based on global navigation satellites. Among the many changes to come, the reconfigurable receiver network is one of the most attractive concepts since it can be tailored to a specific application area among networked robots, formation flying, bridge monitoring, and traffic monitoring. As an initial study to develop a reconfigurable receiver network, this paper deals with the design and implementation of the key elements of the reconfigurable receiver netowork; server, broadcaster, and client. In the designed receiver network, a sever receives and decodes measurements from a reference receiver installed at a known location, a broadcaster processes and transfers the messages from servers to clients and manages connections with servers and clients, a client receives the messages from the broadcaster and performs differential positioning. A real-time experiment result is demonstrated to validate the functionalities of each network element.

• 대한안전경영과학회:학술대회논문집
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• 대한안전경영과학회 2006년도 추계공동학술대회
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• pp.373-383
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• 2006

Logistics is one of the most important factors to manage a stream of materials in economic environment. Establishing effective logistics system needs to consider some constraints which are fluctuation of materials volume, a long distance between makers and consumers, one way logistics and small quantity batch production. It is estimated that Unit Load System should be a powerful method to cope with those problems. It helps to realize the key issues which are Standardization and Logistics Pool System The Material Unification of Logistics System is able to participate in all kinds of industries including manufacturing, distribution and logistics. This system has some merits which are a long distance transportation cost down, product recovery, and treatment in the unbalance of demand and supply caused by unstable materials volume. Four strategies of Material Logistics Model are Packing Rationalization, Logistics Pool System, JIT System application and establishing effective infrastructure. The Material Unification Of Logistics System based on Unit Load System achieves efficiency of logistics and largely decreases moving cost.

• 한국통신학회논문지
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• 제32권1B호
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• pp.11-16
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• 2007

본 논문에서는 이동 애드혹 망을 위해 시공간 방식에 근거한 보안 라우팅 프로토콜의 설계와 성능을 기술한다. 제안된 시공간 방식은 시간영역에서는 출발지와 목적지 간에 키 배포를 수행하고, 또한 공간영역에서는 경로 상에서의 침입 탐지를 수행하기 때문에 붙여진 이름이다. 데이터 인증을 위해 효율성이 높은 대칭키 방식을 사용하고, 비밀 키는 출발지에서 목적지로 시간차를 이용하여 배포되어 진다. 또한, 단방향의 해쉬체인을 공간측면에서 홉단위로 형성함으로써, 침입자나 포섭된 노드가 라우팅 정보를 조작하는 것을 방지한다 제안된 라우팅 프로토콜의 성능을 평가하기 위해 ns-2 시뮬레이션을 통하여 같은 조건하에서 기존의 AODV와 비교한 결과, 우리가 제안한 프로토콜이 보안 기능을 제공하면서도 동시에 지연시간과 처리율 측면에서 기존의 AODV와 유사한 성능을 보여주고 있다.

• 농업과학연구
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• 제39권4호
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• pp.491-496
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• 2012

Vegetable seeds are one of the most important key factors to determine the way of vegetable's production, distribution, processing and storage. Unfortunately, because of international exchange crisis in 1997, the most of main Korean seed companies were merged into foreign capitals. Currently, many domestic seed companies are incapable of their own survey and development of vegetable seed markets in foreign countries. To provide valuable seed market information for these companies, China, especially Yunnan and Guangdong provinces in China, was selected. Since China is one of the major vegetable seed importers. Also, Yunnan and Guangdong provinces are the most promising targets to export Korean vegetable seeds. The current status of vegetable production in China was analyzed with consideration of Yunnan and Guangdong provinces. The contents of survey and analysis are covering major vegetable crops' cultivation area, farm number, cultivation type, production amount, market price, farm income, packaging method, distribution type and amount of seed consumption. And particularly, major horticultural characteristics of leading varieties were presented to assist the development of exportable varieties of domestic seed companies. We assume the results of this study would be practically usable for the development of exportable varieties.

• International Journal of Costume and Fashion
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• 제18권2호
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• pp.65-83
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• 2018

The purpose of this study was to explore the dynamics of the newly emerging designer fashion market and examine how startup designers reacted to the tension between creativity and business, and how they grew within such dynamics. In-depth interviews were conducted with 22 DFE entrepreneurs and 7 fashion industry experts. The grounded theory was used to analyze data and yield results. Korean new generation of DFEs, attracted by the growing online market opportunities are directly distributing through online channels, targeting the millennial consumers who are pursuing new values at new distribution channels. They show new growth pattern, start with a few key items in the middle and lower price segments, then upscale their design, quality, and price. This study further investigated designers' enterprise orientation shift, which was explored by Mills. Some creativity-oriented designers encountered difficulties in the orientation shift, while designers who demonstrated business characteristics from the startup stage restored the balance by trying to improve both creativity and business. This study discovered a new way for the designer to enter the growth stage. This growth approach is one of the success strategies applicable to designers launching a brand on online platforms in the global market.

• 한국철도학회:학술대회논문집
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• 한국철도학회 2008년도 추계학술대회 논문집
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• pp.698-705
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• 2008

Under the rapid change in environment of our society and culture, it is also called for a reform in railway management that has traditionally focused on transportation service. Thus developing a business model to use station buildings as a new source of profit has become a promising core business of railway companies. This study aims to find a way to maximize profits by strategically utilizing station buildings and thereby increasing accessibility to customers and consolidating facilities as a key service point. The subjects of this study include eight station buildings that can represent three types of railway stations including departure stations, junction stations, and metro stations. The researcher conducted an analysis on moving lines for examining user distribution and facility utilization within the selected buildings, a survey for collecting basic information on usage and measuring customer satisfaction of facility in the buildings, and a sight analysis to examine accessibility to the station buildings. On the basis of these analyses, the researcher examined the correlations between convenience, visibility, recognizability and functionality with regard to commerce, amenities, couches, direction boards, etc. within station waiting rooms. On the basis of the above analyses, the researcher provides a scheme to increase profitability in railway operation business and customer benefits of using station buildings by drawing up a plan to improve usage of station buildings and maximize profit-making potential for each category of station buildings.