Wearable (1)

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Wearable (1)

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  • 1. Wearable Computing Yuanfang Cai Dec. 6, 2000

2. Discussion Outline What is Wearable computing Wearable computing implementation Wearable computing Networking Wearable computing and Ubiquitous computing 3. What is wearable computing Wearable Portable while operational Hand-free or one- handed operation unobtrusive Augmented reality situation aware 4. >>Wearable Computer Implementation Overall System Block Diagram :Input DeviceDisplay Device Com port VGA out Frame grabberNetwork cardWireless WirelessNetwork Network Video CameraMain Unit Parallel portBack plane Low Power Indicator Power Supply 5. >>Wearable Computer Implementation>>Input Device speech recognizer keyboard alternative including chording keyboards and special purpose keyboards mouse alternatives including trackballs, joysticks tab alternatives including buttons, dial eye trackers head trackers pen gesturing bar code reader video capture devices, microphones, GPS locators other exotic devices such as skin sensors 6. >>Wearable Computer Implementation>>Input DeviceWireless Finger Ring Detection of finger-tip typing Wireless Link Block Diagrams Chording METHOD 7. Wearable Computer Implementation>>Input Device Wireless finger Ring>>Detection of finger-tip typing 8. Wearable Computer Implementation>>Input Device Wireless finger Ring>>Wireless Link 9. Wearable Computer Implementation>>Input Device Wireless finger Ring>>Block Diagrams 10. Wearable Computer Implementation>>Input Device Wireless finger Ring>>Chording Method 11. >>Wearable Computer Implementation>>OutputDevice head mounted displays (HMDs) flat panels, text to speech tactile output non speech auditory output paper and olfactory output (scent) 12. >>Wearable Computer Implementation>>OutputDevice Augmented Reality Typical Augmented Reality System Display Technologies in Augmented Reality 13. >>Wearable Computer Implementation>>OutputDevice Augmented Reality>> Typical Augmented Reality System 14. >>Wearable Computer Implementation>>OutputDevice Augmented Reality>> Display Technologies in Augmented Reality Video See-through Augmented Reality DisplayOptical See-through Augmented Reality Display 15. >>Wearable Computer Networking General requirements Security requirements Short-ranged Privacy Simple in design Data Confidentiality Low power consumption Data integrity Self-configuration Access Control Restricted to the user Availability Security Source Authentication 16. >>Wearable Computer Networking BlueTooth Security>>Security Architecture 17. >>Wearable Computer Networking BlueTooth Security>>Key ManagementPIN PIN E2 E2Authentication Link Key Link Key E3E3 EncryptionEncryption KeyEncryption Key Encryption and Key Control 18. >>Wearable Computer NetworkingBlueTooth Security>>AuthenticationVerifierVerifier(User A)(User B)SRES = E(key, IDB, RAND) RAND SRES = E(key, IDB, RAND)SRESChecks:SRES = SRES Challenge-response for symmetric key system 19. Wearable Computing & UbiquitousComputing Properties and Problems with UbiquitousComputing Privacy issues Difficulty with personalizedinformation: Properties and Problem with WearableComputing Localized information: Localized control Resource management: The Combination-Hive and Locust Swarm A General Scenario 20. Wearable Computing & UbiquitousComputing Properties and Problems with Ubiquitous ComputingHi all, I am Mike, Privacy issues your new Boss Difficulty with personalized information : I am Tom !Tom:Oh, its TomOh, its TomMe Too!Tom: Let me25Age: check Let me checkOK, let me check Its reallymy databse Age: 25I mynew man! MyOK, will databse god, a playEmail: his email troublesome!I have to update this songTt@yahoo.com Favorite Song: my database! My heart will go on 21. Wearable Computing & Ubiquitous ComputingProperties and Problem with Wearable ComputingI am Tom ! OK, I will play this song Tom:OK, let me check Age: 25his emailFavorite Song: My heart will go on Email: Tt@yahoo.com 22. Wearable Computing & UbiquitousComputingProperties and Problem with Wearable Computing 1. Localized information : 2. Localized controlWhere is theA New device! I am Tom ! printers driver?It should be should I added to my DB. install it? Device Table:Device Table: ---------------------------------------- 1.Computer1.Computer 2.Recorder2.Recorder 3.Printer 23. Wearable Computing & UbiquitousComputingProperties and Problem with Wearable Computing Resource management :Hi all, I am MikeI am Tom !Oh my,What should I do? Tom:Mike: Age: 25 Age: 30 Favorite Song:Favorite Song: My heart will go on Salvage Garden Email:Email: Tt@yahoo.comMm@yahoo.com 24. Wearable Computing & UbiquitousComputingThe Combination-Hive and Locust SwarmWhy Hive? Agents are Autonomous Agents are proactive Agents can interact Agents can be mobileWhat is Locust Swarm? 25. Wearable Computing & UbiquitousComputingReaping the best of both worlds