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High reliability Android application for multidevice multimodal mobile data acquisition and annotation
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DOI：10.1145/3131672.3136977.png)
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Abstract
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We have completed the collection of one of the richest accurately annotated mobile dataset of modes of transportation and locomotion. To do this, we developed a highly reliable Android application called DataLogger capable of recording multisensor data from multiple synchronized smartphones simultaneously. The application allows real-time data annotation. We explain how we designed the app to achieve high reliability and ease of use. We also present an evaluation of the application in a big-data collection (750 hours, 950 GB of data, 17 different sensor modalities), analysing the data loss (less than 0.4 parts per thousand) and battery consumption (approximate to 6% on average per hour). The application is available as open source.
Keywords:
High reliability
Android
Data collection
Activity recognition
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