Pocket, Bag, Hand, etc. - Automatically Detecting Phone Context through Discovery. Emiliano Miluzzoy, Michela Papandreax, Nicholas D. Laney, Hong Luy, Andrew T. Campbelly. Presented by: Lulwah Alkwai. Introduction Discovery Framework Phone Sensing Context Design System Implementation
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Top end mobile phones include a number of specialized (e.g., accelerometer, compass, GPS) and general purpose sensors (e.g., microphone, camera) that enable new people-centric sensing applications.
(a) FFT power of an audio clip ,when the phone inside the pocket
(b) FFT power of an audio clip ,when the phone outside the pocket
(c) Count the number of times the FFT power exceeds the threshold
C:GMM TRAINING AND EVALUATING INDOOR
D:SVM TRAINING AND EVALUATING OUTDOOR
E:SVM TRAINING AND EVALUATING INDOOR
F:SVM TRAINING OUTDOOR AND EVALUATING INDOOR
G:GMM TRAINING USING ONLY MFCC
H:SVM TRAINING USING ONLY MFCC