Machine Learning
Data Mining: Practical Machine Learning Tools and Techniques, Second Edition (Morgan Kaufmann Series in Data Management Systems)
Activity sensing in the wild: a field trial of ubifit garden
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Audio privacy: reducing speech intelligibility while preserving environmental sounds
MM '08 Proceedings of the 16th ACM international conference on Multimedia
Playful bottle: a mobile social persuasion system to motivate healthy water intake
Proceedings of the 11th international conference on Ubiquitous computing
Adapting collaborative radiological practice to low-resource environments
Proceedings of the ACM 2012 conference on Computer Supported Cooperative Work
Investigating receptiveness to sensing and inference in the home using sensor proxies
Proceedings of the 2012 ACM Conference on Ubiquitous Computing
SpiroSmart: using a microphone to measure lung function on a mobile phone
Proceedings of the 2012 ACM Conference on Ubiquitous Computing
BodyScope: a wearable acoustic sensor for activity recognition
Proceedings of the 2012 ACM Conference on Ubiquitous Computing
Helping mobile apps bootstrap with fewer users
Proceedings of the 2012 ACM Conference on Ubiquitous Computing
Activity recognition using a spectral entropy signature
Proceedings of the 2012 ACM Conference on Ubiquitous Computing
Poster abstract: a mobile-cloud service for physiological anomaly detection on smartphones
Proceedings of the 12th international conference on Information processing in sensor networks
Auditeur: a mobile-cloud service platform for acoustic event detection on smartphones
Proceeding of the 11th annual international conference on Mobile systems, applications, and services
Understanding the coverage and scalability of place-centric crowdsensing
Proceedings of the 2013 ACM international joint conference on Pervasive and ubiquitous computing
Reduce the Number of Sensors: Sensing Acoustic Emissions to Estimate Appliance Energy Usage
Proceedings of the 5th ACM Workshop on Embedded Systems For Energy-Efficient Buildings
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Audio-based cough detection has become more pervasive in recent years because of its utility in evaluating treatments and the potential to impact the quality of life for individuals with chronic cough. We critically examine the current state of the art in cough detection, concluding that existing approaches expose private audio recordings of users and bystanders. We present a novel algorithm for detecting coughs from the audio stream of a mobile phone. Our system allows cough sounds to be reconstructed from the feature set, but prevents speech from being reconstructed intelligibly. We evaluate our algorithm on data collected in the wild and report an average true positive rate of 92% and false positive rate of 0.5%. We also present the results of two psychoacoustic experiments which characterize the tradeoff between the fidelity of reconstructed cough sounds and the intelligibility of reconstructed speech.