• Annual Conference of KIPS
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• 2014.11a
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• pp.1159-1162
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• 2014

광고 시장 / 채널은 새로운 매체로 전환이 급격히 빠른 분야이다. 과거 TV, 신문 등과 같은 전통적인 매스미디어에서, 현재는 인터넷 및 모바일 광고와 디지털 사이니지를 통한 옥외광고가 주를 이루고 있다. 이에 따라 지속적인 마케팅 패러다임의 변화, 광고시장 / 로봇(서비스형, 지능형) 시장의 성장세를 기반으로 디지털 사이니지와 이동로봇을 결합하여 광고효과를 극대화 시킬 수 있는 커뮤니케이션 마케팅 기반의 신개념 광고기기(Mobile Digital Signage Robot 이하 MDSR)를 제안한다. MDSR의 기본 목표는 로봇이 설정된 루트를 자동으로 이동하며 주변상황을 인지하여 상황에 맞는 광고를 노출시키는 데에 있다. 또한 사용자의 관심을 유도하는 인터랙티브 기능과, 커뮤니케이션 콘텐츠를 탑재하여 주위 사람들의 이목을 집중시키며, 광고노출빈도가 높아지고 흥미유발에 기여하여 광고효과를 극대화 시키고, 이용자 편의성을 제고시킨다. 본고에서는 마케팅 / 디지털 사이니지 / 로봇시장의 실태와 현황을 알아보고, MDSR개발을 위한 HW 필요 탑재부품의 성능정보 수집 및 평가, 로봇 이동제어 및 상황인지와 광고전환을 위한 핵심 SW 알고리즘 개발, 마케팅 전략 및 활용 시나리오, 기대효과 분석 등을 연구해 MDSR 제작 및 활용 방법 등을 살펴본다.

• Journal of Korea Multimedia Society
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• v.20 no.1
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• pp.58-65
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• 2017

The recent years, the cloud-based paradigm of cloud services are developed rapidly, it come with many a new problems. However, the collaboration between a individual with other users is still difficult. Cloud service is considered when users need to take advantage of security and the availability of cloud services. In this paper, we proposed an detection framework to detect an intrusion attack that threaten to cloud-based collaboration services and cloud security. Identify vulnerabilities and prepare for the safety of the collaboration services to create a variety of content in the cloud, it help to prevent the threats.

• Journal of Game and Entertainment
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• v.2 no.2
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• pp.25-34
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• 2006

Game and Animation are considered as two different fields. The definition of animation is 'moving picture' and game is a kind of animation which can be controlled by users. Actually, many principles of animation are applied to the production of games, and are even more emphasized in the mobile game contents which are becoming popular these days because of the characteristics of mobile devices such as small screen size. In this paper, we study on the application of the 12 principles of animation through the making of a mobile 3D game called 'Fly to the music' and that game is going to be serviced in late 2006 by SK Telecom. Moreover, we studied the differences between 3d mobile game animation and ordinary animation.

• Journal of the Korea Convergence Society
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• v.10 no.11
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• pp.33-39
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• 2019

Edutech, which combines education and information technology, is in the spotlight. Core technologies of the 4th Industrial Revolution have been actively used in education. Students use an AI-based learning platform to self-diagnose their needs. And get personalized training online with a cloud learning platform. Recently, a new educational medium called smart speaker that combines artificial intelligence technology and voice recognition technology has emerged and provides various educational services. The purpose of this study is to suggest a way to use smart speaker educationally to overcome the limitation of existing education. To this end, the concept and characteristics of smart speakers were analyzed, and the implications were derived by analyzing the contents provided by smart speakers. Also, the problem of using smart speaker was considered.

• Journal of Korean Society of Archives and Records Management
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• v.14 no.1
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• pp.75-100
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• 2014

Many archives, including the National Archives of Korea, use online finding aids. However, in many aspects, they need improvement. In this study, with focus on the National Archives of Korea, the online finding aids of the National Archives of Australia (NAA), The National Archives (TNA) of United Kingdom, and the National Archives and Records Administration (NARA) of the United States were analyzed. Focus group interview was administered to users of the archives, identifying the pros and cons of online finding aids of NAA, TNA, and NARA. Based on the results, various improvement and development directions are suggested, including aspects on overall functions and hierarchical search, search options and subject search, representing search results, and archival contents services.

• KSCI Review
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• v.14 no.1
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• pp.185-196
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• 2006

IIn this paper, we developed e-Leaning system based on open source software. We selected the Moodle that after compared the open source learning management systems. Moodle is APM(Apache, PHP, MySQL) based learning management system(LMS) support SCORM(Sharable Content Object Reference Model), a software package designed to help educators create quality online courses. One of the main advantages of Moodle over other systems is a strong grounding in social constructionist pedagogy. Also we integrated Moodle and legacy systems such as streaming service, webhard service, and short message service. Therefore this research showed that open source based e-Learning system include learning management system is stable and possible.

• Journal of the Korea Society of Computer and Information
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• v.25 no.6
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• pp.73-79
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• 2020

Nowadays, with the rapid spread of streaming services in the internet world, security vulnerabilities are also increasing rapidly. For streaming security, this paper proposes a PN(pseudo-random noise) distributed structure-based security processor for web streaming contents(SP-WSC). The proposed SP-WSC is basically a PN distributed code algorithm designed for web streaming characteristics, so it can secure various multimedia contents. The proposed SP-WSC is independent of the security vulnerability of the web server. Therefore, SP-WSC can work regardless of the vulnerability of the web server. That is, the SP-WSC protects the multimedia contents by increasing the defense against external unauthorized signals. Incidentally it also suggests way to reduce buffering due to traffic overload.

• The Journal of Korean Institute of Information Technology
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• v.17 no.9
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• pp.123-131
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• 2019

Social network service users actively express and share their feelings about social issues and content of interest through postings. As a result, the sharing of emotions among individuals and community members in social network is spreading rapidly. Therefore, resulting in active research of emotion analysis on posting of users. However, There is insufficient research on emotion analysis for postings containing various emotions. In this paper, we propose a method that analyzes the emotions of an Instagram posts using hashtags and images. This method extracts representative emotion from user posts containing multiple emotions with 66.4% accuracy and 81.7% recall, which improves the emotion classification performance compared to the previous method.

• The Journal of the Institute of Internet, Broadcasting and Communication
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• v.21 no.1
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• pp.35-42
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• 2021

In this paper, we identified the national alert service and recognized the problem that disaster message is received only from smart phones, which are mobile communication devices in the event of a disaster. Thus, we conducted a study on how to use NFC to identify disaster characters in navigation. Research was conducted on how to receive and utilize disaster message and disaster information when using smart phone navigation as well as application development-enabled navigation. If studies such as those in question continue, disaster situations and information will be provided in a more diverse environment and users will all be able to access disaster content to prepare for disasters and prevent or reduce damage.

• Journal of the Korea Convergence Society
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• v.13 no.4
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• pp.39-44
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• 2022

Mathematics franchise education companies are developing various online learning systems to provide on-off integrated education to learners. Most online learning systems deliver one-way lecture content to learners and perform quantitative problem-solving learning for learning results. However, each learner has different academic achievement competencies, and it is impossible to determine exactly where the level of understanding fell when solving a math method. and based on this, establish an online learning system to discover the weak points of learners and propose an effective learner management method. Through the developed learning method and system, it is expected to cultivate balanced problem-solving ability for learners and provide differentiated brand image and counseling service to franchise companies.