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We are in the midst of a new era of experimentation that blends social and mobile computing in support of digital democracy. These experiments will have potentially long lasting consequences on how the public is invited to partic-ipate in governance by elected as well as professional offi-cials. In this paper, we look at how data from a purpose-built(More)
The participation of a large and varied group of people in the planning process has long been encouraged to increase the effectiveness and acceptability of plans. However, in practice, participation by affected stakeholders has often been limited to small groups, both because of the lack of reach on the part of planners and because of a sense of little or(More)
Heart rate variability (HRV) measures the instantaneous change in heart rate and is an important marker for checking physical condition as well as mental stress of a person. In this paper, we propose a methodology to calculate HRV of a person using smart phone audio. Heart sound is captured in the inbuilt microphone of a smart phone, by placing the device(More)
Smartphone based reflective Photoplethysmography (PPG) measures reflected light from blood capillaries, typically from the fingertip of a user. It has gained popularity as a means of unobtrusive affordable physiological sensing. The orientation and relative distance between smartphone flash and camera; fingertip placement direction etc. highly influences(More)
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