Detecting Human Activity using Acoustic, Seismic, Accelerometer, Video, and E-field Sensors

Report No. ARL-TR-5729
Authors: Sarah H. Walker and Geoffrey H. Goldman
Date/Pages: September 2011; 26 pages
Abstract: Situational awareness plays a critical role in the decision-making process for today's Soldier. It is important for a Soldier to know from what direction an enemy is approaching. Obtaining and using information gathered from low-cost sensors like acoustic, seismic, e-field, imagery, accelerometers, and others can provide a means to monitor human-based activity. This report investigates the feasibility of using an array of low-cost sensors for determining the patterns and activities of people that occur in a typical breakroom during lunch time. The test results show that it is possible to detect and interpret activity in urban settings, such as in buildings, with low-cost sensors and, thus, show promise for enhancing the situational awareness of today's Soldier.
Distribution: Approved for public release
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Last Update / Reviewed: September 1, 2011