Towards the Meaning of Motion

Posted on Dec 16, 2013

Activity recognition, activity monitoring, gestures, and context awareness are all popular terms in the sensor industry, but the connection between these is rarely discussed. Upon more thought, there is a...

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So You Think You Can Walk

Posted on Nov 14, 2013

Indoor positioning using pedestrian dead reckoning (PDR) has received much academic and commercial interest over the years. Existing sensor-based solutions track position by summing the distance travelled in...

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Change Detector enables Always-on Mobile Context

Posted on Jun 8, 2013

Context is defined as the inference of user or environment from sensor measurements on nearby devices. Enabling a context-aware platform requires always-on sensing, and low-power is important if the platform...

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Context is More Than Gestures

Posted on Mar 9, 2013

Gestures and context are getting a lot of attention in the sensor industry recently, and although they are related, there are important distinctions. Gestures are defined as a form of non-verbal...

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Context Improves Activity Monitoring

Posted on Feb 20, 2013

A major part of the quantified self movement is the use of activity monitors such as FitBit, Nike FuelBand, or Jawbone UP. These devices utilize a low-power accelerometer to determine activity level and...

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