Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Physiological Data Modeling Contest An ICML-2004 Workshop, July 8, 2004
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Revelation of Contexts Context 1 – Annotation 3004 Context 2 – Annotation 5102 Watching TV Sleep
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Revelation of Channels
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Explanation of Channels gsr_average –Measures sweat (conductivity across the skin) –Unit: micro Siemens heat_flux_average –Measures heat lost to the environment –Unit: Watts/meter^2 near_body_temp_average –Measures temperature near armband –Unit: degrees Centigrade pedometer –Measures number of steps –Unit: steps skin_temp_average –Measures temperature of skin in contact with armband –Unit: degrees Centigrade
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Explanation of Channels longitudinal_accelerometer_SAD –Measures Sum of Absolute Differences of vertical acceleration –Unit: g longitudinal_accelerometer_average –Measures average of vertical acceleration –Unit: g transverse_accelerometer_SAD –Measures Sum of Absolute Differences of horizontal acceleration –Unit: g transverse_accelerometer_average –Measures average of horizontal acceleration –Unit: g
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Revelation of Set Distributions
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Brown – Zodiac Summary of Approaches –Approach 1: No Chars –Approach 2: 1 Char –Approach 3: 2 Chars
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Brown – Zodiac – Predictions Approach 1: No Chars
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Brown – Zodiac – Results Approach 1: No Chars
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Brown – Zodiac – Predictions Approach 2: 1 Char
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Brown – Zodiac – Results Approach 2: 1 Char
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Brown – Zodiac – Predictions Approach 3: 2 Chars
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Brown – Zodiac – Results Approach 3: 2 Chars
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Brown – Zodiac – Summary
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Daimler Chrysler Research And Technology India Summary of Approaches –Approach 1: Raw Data –Approach 2: PCA
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Daimler Chrysler Research And Technology India – Predictions Approach 1: Raw Data
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Daimler Chrysler Research And Technology India – Results Approach 1: Raw Data
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Daimler Chrysler Research And Technology India – Predictions Approach 2: PCA
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Daimler Chrysler Research And Technology India – Results Approach 2: PCA
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Daimler Chrysler Research And Technology India – Summary
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Leader Board
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary National Library of Medicine Summary of Approaches –Approach 1: mDSB 1 –Approach 2: mDSB 2 –Approach 3: Simple Bayesian
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary National Library of Medicine – Predictions Approach 1: mDSB 1
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary National Library of Medicine – Results Approach 1: mDSB 1
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary National Library of Medicine – Predictions Approach 2: mDSB 2
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary National Library of Medicine – Results Approach 2: mDSB 2
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary National Library of Medicine – Predictions Approach 3: Simple Bayesian
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary National Library of Medicine – Results Approach 3: Simple Bayesian
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary National Library of Medicine – Summary
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Leader Board
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary University of Texas Austin – Saurabh Amin Summary of Approach
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary University of Texas Austin – Saurabh Amin – Predictions
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary University of Texas Austin – Saurabh Amin – Results
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary University of Texas Austin – Saurabh Amin – Summary
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Leader Board
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary CMU – Informedia Summary of Approaches –Approach 1: 50/50 –Approach 2: All Negative –Approach 3: Semi-Supervised
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary CMU – Informedia – Predictions Approach 1: 50/50
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary CMU – Informedia – Results Approach 1: 50/50
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary CMU – Informedia – Predictions Approach 2: All Negative
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary CMU – Informedia – Results Approach 2: All Negative
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary CMU – Informedia – Predictions Approach 3: Semi-Supervised
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary CMU – Informedia – Results Approach 3: Semi-Supervised
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary CMU – Informedia – Summary
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Leader Board
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary University of Porto – João Gama Summary of Approach Approach: Ultra Fast Forrest of Trees
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary University of Porto – João Gama – Predictions Approach: Ultra Fast Forrest of Trees
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary University of Porto – João Gama – Results Approach: Ultra Fast Forrest of Trees
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary University of Porto – João Gama – Summary
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Leader Board
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Laboratoire de Recherche en Informatique Summary of Approaches –Approach 1: Voting Procedure –Approach 2: Weighted Voting Procedure
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Laboratoire de Recherche en Informatique – Predictions Approach 1: Voting Procedure
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Laboratoire de Recherche en Informatique – Results Approach 1: Voting Procedure
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Laboratoire de Recherche en Informatique – Predictions Approach 2: Weighted Voting Procedure
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Laboratoire de Recherche en Informatique – Results Approach 2: Weighted Voting Procedure
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Laboratoire de Recherche en Informatique – Summary
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Leader Board
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Smart Signal Summary of Approach
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Smart Signal – Predictions
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Smart Signal – Results
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Smart Signal – Summary
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Leader Board ?
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Summary: Gender Prediction
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Summary: Context1 (3004 – Watching TV)
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Summary: Context2 (5102 – Sleeping)
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Summary: Overall Results
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Awards Honorable Mention: Gender –Saurabh Amin (0.7591) Honorable Mention: Context 1 (watching TV) –Smart Signal (0.7498) Honorable Mention: Context 2 (sleep) –Informedia 3: Semi-Supervised (0.9125) Overall Winner: –Informedia 3: Semi-Supervised (0.7620)
Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary