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Building Mobile Augmented Reality Services in Pervasive Computing Environment

Building Mobile Augmented Reality Services in Pervasive Computing Environment. Hiroaki Kimura hiroaki@dcl.info.waseda.ac.jp Eiji Tokunaga eitoku@dcl.info.waseda.ac.jp Tatsuo Nakajima tatsuo@dcl.info.waseda.ac.jp Distributed and Ubiquitous Computing Lab. Waseda University, Japan.

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Building Mobile Augmented Reality Services in Pervasive Computing Environment

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  1. Building Mobile Augmented Reality Servicesin Pervasive Computing Environment Hiroaki Kimura hiroaki@dcl.info.waseda.ac.jp Eiji Tokunaga eitoku@dcl.info.waseda.ac.jp Tatsuo Nakajima tatsuo@dcl.info.waseda.ac.jp Distributed and Ubiquitous Computing Lab. Waseda University, Japan

  2. Motivation - Too-Many-Controllers Problem • Control panels of current appliances are difficult to use. • Wireless remote controllers are hard to find, easy to lost. • As services disappear, controlling them might be more difficult. • People must remember too many mappings between controllers and appliances. Disappeared? ICPS ‘06 Lyon

  3. Motivation - TUI and Universal Remote Controller • Tangible User Interfaces • Physical form to digital information • Pros: easy to recognize and use • Cons: hard to deploy and reconfigure musicBottles (MIT) Gesture with 3D VD (University of Tronto) • Universal Controller Architecture • One personal device as a universal controller • Pros: easy to deploy and reconfigure • Cons: hard to recognize and use iCrafter(Stanford Univ.) Pebbles (CMU) ICPS ‘06 Lyon

  4. Movie - Vidgets: Virtual Tangible Widgets ICPS ‘06 Lyon

  5. Simple Interaction Style • Usability • etc. User ServiceProvider HardwareDeveloper • Deployability • Scalability • Reusability • High level API • etc. • Size • Weight • Power Consumption • etc. Challenges ICPS ‘06 Lyon

  6. Design Issues • Deployability and Scalability • Deploy anytime, anywhere • Update or replace easily and cheaply • Reusability and High level abstraction • Deal with high level user events • Simple interaction style • Easy to use • Short setting up time ICPS ‘06 Lyon

  7. Approaches • Mobile code • Download controlling software automatically from those services to improve deployability • Visual tag and Service mapping • Weak mappings between tags and services’ code improve deployability • Visual tag is representation of invisible service • Controlling using real world interaction • Provides high level sensor API • Reinforces augmented reality • Simple interaction cycle • Defines three interaction stages • Searching, Selecting, Using ICPS ‘06 Lyon

  8. Architecture - Sequence ICPS ‘06 Lyon

  9. Implementation ICPS ‘06 Lyon

  10. Evaluation and Discussion • Average size of each mobile code: 14KB • Latency of mobile code migration: less than 419ms • Divided attention between controllers and services • Which view a user should look? • The feedback view on the personal device? • The application view? ICPS ‘06 Lyon

  11. Conclusion • We proposed Vidgets which is a research for interaction design and building framework that seamlessly integrates personal devices and pervasive services • We implemented a prototype system that confirms the effectiveness of our framework. [Future work] • Detailed user studies (for developers, users) • Deal with some issues • Divided attention • Security risks in mobile code • Cell phone / PDA implementations ICPS ‘06 Lyon

  12. Merci beaucoup! Hiroaki Kimura hiroaki@dcl.info.waseda.ac.jp ICPS ‘06 Lyon

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