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Jayant Gupchup Graduate student, Johns Hopkins University

Jayant Gupchup Graduate student, Johns Hopkins University. Representative Slides. Environmental Monitoring. Cub Hill [Dec 2008 to Sep 2009]. Research and Roles. Manage data collected by our sensors Provide online access to data and graphs to scientists

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Jayant Gupchup Graduate student, Johns Hopkins University

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  1. Jayant GupchupGraduate student, Johns Hopkins University Representative Slides

  2. Environmental Monitoring

  3. Cub Hill [Dec 2008 to Sep 2009]

  4. Research and Roles • Manage data collected by our sensors • Provide online access to data and graphs to scientists • http://dracula.cs.jhu.edu/luyf/en/tools/VZTool/ • Research – I: Time synchronization and validation of measurements • Research – II: Exploit spatial and temporal correlation to • Fault detection and gap filling • Optimize data collection subsystem

  5. Grazor System Available Online Right now!!!

  6. Timestamp Validation: Annual Solar Patterns <LOD, noon> = f(Latitude, Time of Year)

  7. Soil Temperature Dataset [noisy + gappy]

  8. Robust Reconstruction [Clustering+PCA+Regression]

  9. Top 10 Locations

  10. Reconstruction Error vs Locations

  11. Questions

  12. Life Under Your Feet [LUYF] [LUYF] : http://www.lifeunderyourfeet.org/

  13. System Architecture [eScience 2008] [eScience 08] : Microsoft eScience Workshop 2008, Indianapolis

  14. “Time Reconstruction: Sundial” [EWSN 09] Noon Length of day (LOD) argmaxlagXcorr (LOD lts, LOD gts, lag) “Anchor Points” [EWSN 09] : European Conference on Wireless Sensor Network 2009, Ireland

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