delegate showcase - davide zilli
DESCRIPTION
Presentation delivered by Davide Zilli, University of Southampton, as part of the Delegate Showcase session at Communicate 2012: Breaking BoundariesTRANSCRIPT
Institute for ComplexSystems Simulation
New Forest Cicada Project
Institute for ComplexSystems Simulation
Smartphone-based Biodiversity MonitoringCitizens’ hunt for the New Forest cicada
Davide Zilli <[email protected]>
Alex Rogers <[email protected]>
Geoff Merrett <[email protected]>
Communicate 2012,
Bristol
Oct 25th, 2012
Institute for ComplexSystems Simulation
Citizen Science
3
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Internet and Smartphones
• Easy
– Communication
– Data gathering
– Communities
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Internet and Smartphones
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Image sourced from www.htc.com/uk/smartphones
GPS
Light
Proximity
Camera
Microphone
Accelerometer
Institute for ComplexSystems Simulation
Biodiversity Monitoring
• Experts
• Enthusiasts
• Traditional methods
– Manual
– Require expertise
6
The New ForestImage source from http://en.wikipedia.org
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Bioacoustics
• Animals can be elusive
– In particular birds, bats, insects
• Better detected by their sound
• Better classified by their sound (speciation)
7
Example
• iBats – Bat mobile
Image sourced from ibats.org.uk
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The New Forest Cicada
• Native to the UK
• Only in the New Forest
• Call at ~13.5 kHz
• Most people >40 can’t hear it
• Those who can, hear it even 60m away
8
Image above sourced from http://www.pbase.com/ima
ge/83110353Image source from http://forestvwhire.com
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Equipment
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http://en.wikipedia.org/wiki/File:EU-Slovenia.svg
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http://en.wikipedia.org/wiki/File:EU-Slovenia.svg
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Waveform and spectrogram
13Sound sample by Jim Grant, obtained from the wildlife sounds collection of the British Library.
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Classifier
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• Goertzel algorithm performing DFT in real time– 8.5 +/- 0.5 kHz– 14.0 +/- 3.0 kHz
• Threshold on detection level
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Atmel ATtiny5
8 MHz32 bytes RAM
512 bytes program space
Low cost hardware
• less than £0.50 component cost
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Motivate and steer the crowd
DARPA Red Balloon
New Forest Maps
Steering the crowd
FourSquare Badges
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We launch in May 2013 www.newforestcicada.info
New Forest Cicada@NewForestCicada
New Forest Cicada at
University of Southampton
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