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The research of object arrangement which uses 2D Projection coordinate system
KyeongJin Ban,NamHoon Ryu,KyeongOg Kim,EungKon Kim 한국멀티미디어학회 2009 한국멀티미디어학회 국제학술대회 Vol.2009 No.-
Existing augmented realities used data gloves or markers for smooth interactions between objects and backgrounds. This results in inconveniences in use and reduction in the sense of immersion. To reinforce the sense of immersion in augmented reality, supplementary input devices should be removed. To that end, spatial coordinates should be accurately perceived even in states where no marker is attached. In this paper, a method to create virtual spatial coordinates will be proposed for interactions without wearing supplementary input devices in order to enhance the sense of immersion in augmented reality. The proposed method projected obtained images on 2-dimensional spaces and it extracted characteristic lines to calculate the projected virtual spatial coordinates in order to project virtual objects. This method can be applied to Markerless augmentation or mobile augmentation.
반경진(KyeongJin Ban),류남훈(NamHoon Ryu),김경옥(KyeongOk Kim),한재정(JeaJung Han),김응곤(EungKon Kim) 한국콘텐츠학회 2009 한국콘텐츠학회 종합학술대회 논문집 Vol.7 No.1
기존의 증강현실은 객체와 배경과의 원활한 상호작용을 위하여 데이터 글러브나 마커 등을 이용하였다. 이는 사용에 불편함과 몰입감 저하의 결과를 발생한다. 증강현실에서 몰입감을 강화하기 위해서는 부가적인 입력장치의 제거가 필요하다. 이를 위해 마커가 부착되지 않은 상태에서도 정확한 공간좌표의 인식을 필요로 한다. 본 논문에서는 증강현실에서의 몰입감 향상을 위해 부가적인 입력장치의 착용없이 상호작용을 하기 위한 가상의 공간좌표 생성 기법을 제안한다. 제안된 방법은 획득한 영상을 2차원 공간상에 투영하고 특징 선을 추출하여 투영된 가상공간좌표를 계산하여 가상의 객체를 투영하였다. 이는 Markerless 증강과 모바일 증강 등에 응용이 가능하다. The Augmented Reality of existing for the interaction which the object and background is smooth used the data glove or marker. It is inconvenient to a use and it occurs the result of immersion feeling decrease. Immersion it will wind from Augmented Reality and the hazard which it strengthens the removal of the additional entry device which stands is necessary. It recognizes the space coordinates which is accurate even from the condition where the hazard marker which will reach does not attach in necessity. Immersion feeling improvement from Augmented Reality wearing the hazard additional entry device it proposes the space coordinate creation technique of the virtuality description below for a interaction without from the present paper. The method which is proposed the image which it acquires the object of virtuality reflected at 20 space and the characteristic line about under extracting the space coordinate which reflects about under calculating it reflected. The application is possible in markerless Augmented Reality and the mobile Augmented Reality.
Design and Implementation of Flocking System Using Interaction Technique
NamHoon Ryu,KyeongJin Ban,JongSeong Kim,EungKon Kim 한국멀티미디어학회 2008 한국멀티미디어학회 국제학술대회 Vol.2008 No.-
The development of computer graphics brings about the development of contents industry such as movie or online game that are applied to animation technique, 3D animation based on scenario and so on. Thanks to this, we are able to touch a scene with a number of characters easily. In computer animation field, character plays a great important role in encouraging virtual space. As the number of characters is increased, we deeply need a technique for action animation control. This research implements flocking system making use of an agent at communication between other objects with virtual aquarium.
류남훈(NamHoon Ryu),반경진(KyeongJin Ban),김경옥(KyeongOg Kim),오경숙(KyeongSug Oh),이혜미(HyeMi Lee),이상진(SangJin Lee),김응곤(EungKon Kim) 한국통신학회 2009 한국통신학회 학술대회논문집 Vol.2009 No.6
컴퓨터 그래픽스 기술을 접목한 디지털 영상 콘텐츠 산업이 점차 증가하면서, 해저환경을 비롯한 다양한 분야의 콘텐츠가 개발되고 있다. 해저환경을 표현함에 있어서 가장 핵심인 어류의 자연스러운 움직임을 표현하는 방법으로 핵심이 되는 몇 개의 프레임을 제작 후 이 프레임들의 값들을 참고하여 중간 프레임을 산출하는 방법이다. 본 논문에서는 이 방법에 진자개념을 적용하여 사인곡선을 그리며 움직이는 꼬리의 움직임을 표현함으로써 자연스러운 어류의 움직임을 표현하고자 한다.
김경옥(KyeongOg Kim),반경진(KyeongJin Ban),류남훈(NamHoon Ryu),장문석(MoonSuk Jang),김응곤(EungKon Kim) 한국콘텐츠학회 2009 한국콘텐츠학회 종합학술대회 논문집 Vol.7 No.1
최근 들어 인간 중심의 정보화 사회가 USN 기술의 발전과 더불어 사물 간에도 정보들이 유기적으로 결합되고 활용될 수 있는 유비쿼터스 컴퓨팅 사회로 급격히 변모하고 있다. 이러한 유비쿼터스 컴퓨팅 사회를 성공적으로 구축하기 위해서는 센서노드들로부터 수집되는 센싱 정보를 효율적으로 관리하고, 센서 네트워크 구성에 대한 추상화 기능을 지원하는 USN 센서노드, 센서 네트워크, USN 미들웨어, 그리고 USN 응용 서비스 등의 USN 핵심 기술이 반드시 필요하게 된다. 본 연구에서는 각종 USN 단말장치들로 발생되는 센싱 값들의 전송 이벤트를 처리하기 위해서 USN 및 RFID 단말장치로부터 전송되는 다양한 센싱 값들을 효율적으로 처리할 수 있도록 데이터의 추상화를 수행하는 프로세스를 설계한다. Along with the advance of USN technology in a human-oriented informatization society these days, society is quickly changing into a ubiquitous computing society in which information even between objects can be organically combined and utilized. In order to successfully build such a ubiquitous computing society, it is indispensable to have core USN technologies such as USN sensor nodes, sensor networks, USN middleware, and USN applied services that efficiently manage sensing information collected from sensor nodes, and support the abstraction function for the composition of sensor networks. In order to process the transmission event of sensing values that are generated from various USN terminal devices, this study designs a process that performs the abstraction of data for the efficient process of diverse sensing values transferred from USN and RFID terminal devices.
Design and Implementation of Water Quality Monitoring System Based on Silverlight
KyeongSug Oh,NamHoon Ryu,KyeongJin Ban,BongGil Yoo,EungKon Kim 한국멀티미디어학회 2008 한국멀티미디어학회 국제학술대회 Vol.2008 No.-
We go into ubiquitous society" Ubiquitous is information communication environment for user that can join the network freely disregarding the place without being aware of network or computer. As the USN(Ubiquitous Sensor Network) takes a growing interest in plan as implementing ubiquitous environment, is used for career manage system or air environmental system of agriculture, and fishery etc. As time goes by, the disaster and greenhouse effect become more serious. Due to this, we pay more attention to environment. We ean choose water as necessity that we have to live on. This paper wants to implement monitoring the quality of river water with USN and silverlight is new issue in RIA field.
Air Environmental Integrated Information System Based on Flex
JaeJeong Han,NamHoon Ryu,KyeongJin Ban,YuBin Kim,EungKon Kim,MoonSuk Jang 한국멀티미디어학회 2008 한국멀티미디어학회 국제학술대회 Vol.2008 No.-
The early web technology was 20 type and information transfer was passive in general. As the time had passed, users wanted to participate in the 3D environment which is similar to real world activity. But VRML which was expected to bring numerous changes in the web environments couldn't be popular due to various reasons. Recently, Web 2.0 is the most popular topic in the internet business. The basic concept of Web 2.0 is implementing convenient UI and more dynamic web. With this concept, RIA is one of the main technological factors of Web 2.0. In this paper, we designed and implemented Air Environmental Integrated Information System which has fantastic UI and various functions using Flex technique.