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1 CAMAR 2.0: User-driven Context-aware Mobile Augmented Reality..,.... In this paper, we propose Context-Aware Mobile Augmented Reality (CAMAR) 2.0 platform which allows users to participate in creation and consumption of contents for a sustainable content ecosystem of community. For this purpose, the proposed CAMAR 2.0 platform augments the contents over the real world by recognizing and tracking and objects with contextual information such as location time, profile, history and social relation ship. It also allows users to author contents and mashup various types of services over the real objects with the contents in mobile augmented reality environment. Therefore, users not only can freely consume and create the contents but also selectively share them with community members. In order to validate the effectiveness of the proposed CAMAR 2.0 platform, we applied it to various mobile platforms and possible scenarios. Consequently, we expect that the proposed CAMAR 2.0 platform will play a vital role in creating and maintaining autonomous content ecosystem of community users for future computing environments. Keywords: Context-aware mobile AR, Ubiquitous computing, Context-aware computing, Virtual reality, Mobile computing, HCI

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11 870 Telecommunications Review 제19권 6호 2009년 12월 (a) 화면구성 (c) 매쉬업 (b) 태그 그림 8. 구현된 CAMAR 2.0 통합 플랫폼 (a) 카메라 영상 (b) 지능적 안내 (c) 지능형 에이전트 (d) 서비스 매쉬업 그림 9. CAMAR 문화재 가이드 2. 활용 시나리오 2.1. 문화재 안내 문화재 안내는 사용자들에게 문화재와 관련된 유용 한 정보를 제공하는 도우미로써 널리 활용되고 있다. 일반적인 안내 시스템은 음성 안내를 중심으로 하지만 맥락 인식 모바일 증강현실 가이드는 시청각 정보 증강 을 통하여 사용자들이 문화재 체험의 경험을 극대화하 는데 기여하고 사용자 참여적인 측면에서는 사용자들 이 단순히 정보를 이용하는 것에 더하여 정보를 추가하 고 재구성하도록 함으로써 보다 폭넓은 체험을 가능하 도록 지원한다. 본 논문에서는 대표적인 문화유적지로써 경복궁을 선택하였고 그중에서도 사용자들에게 단순히 안내와

문화재 안내 문화재 안내는 사용자들에게 문화재와 관련된 유용 한 정보를 제공하는 도우미로써 널리 활용되고 있다.

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¿ì¿îÅÃ Ãâ·Â A Framework for Seamless Human-Content-Environment Interaction Abstract. In this paper, we propose a new framework which can support seamless human-contentenvironment interactions in ubiquitous computing