ists36: sea turtles semi-automatic mapping technics

Sea turtles semi-automatic mapping technics

Gwénaël Duclos – WIPSEA ISTS36 Lima - Peru

Thursday 3rd of March 2016

Romain Dambreville – WIPSEA Katia Ballorain – Parc Naturel Marin de Mayotte

David Corman – Agence des Aires Marines ProtégéesGwénaël Duclos – WIPSEA

Stéphane Ciccione, Claire Jean – KéloniaMarc Lennon - ACTIMAR

Why ?

• Also on foraging areas

• Sea Turtles need efficient protection• Not only on nesting beaches

> Requires abundance estimates of the population

Until now

2011-2012

DugongHodgson, A., Kelly, N., & Peel, D. (2013). Unmanned aerial vehicules (UAVs)for surveying marine faunaMejias, L., Duclos, G., Hodgson, A., & Maire, F., (2013, September).Automated marine mammal detection from aerial imageryMaire, F., Mejias, L., Hodgson, A., & Duclos, G. (2013, November). Detection of dugongs from unmanned aerial vehicules.

SEMMA-DRONE project

Goals:• Reduce costs• Increase surveys frequency

Partners:

Suivi et Etude de la Mégafaune MArine par DRONEMarine Magafauna Survey with DRONE

• Accelerate global mapping process

Data Acquisition

Drone Sensefly Ebee:- Max. Flight Time: 45’- Automated Flight- Hand-launching

Canon S110 Camera:- CCD: CMOS 12.1 Mpixels- Ground Resolution: 3.5 cm/pix

at 100m alt.- Picture Stabilizer- GPS

Covered Surface: 800mx300mOverlay: 40%Altitude: 50m

Geo-mapping

Visual counting

Interesting objects detection

Objets classification

Probability scores

Test our algorithm on our website

Integration into QuantumGIS

Ajout manuel des caractéristiques de chacune des tortues identifiées

Applications

• At Mayotte MPA, these data are used to evaluate:– Population size– Foraging habitat use– Turtles reactions to human activities (beach)– Age segmentation– Etc

Assessing the impact of coastline and territortial managment regulations

And next ?

• Delivery planned in june 2016 as a QGIS plugin

• Provide you a « Drone + Software » package or All As A Service

• R&D improvments to manage turtles redundancy

• Involve public in turtles validation phase

• Other species detections are possible : rays, sharks, dolphins, whales, dugongs…illegal fishing boats

So what if

• You would become turtles angel’s eyes ?

• Goal: use it on 3 to 5 other sites until next ISTS> The more we will have data, better it will work !

MERCI!

Any question ?

Gwénaël Duclos Ecology and Vision Engineer

+33 (0)6 75 40 38 01gwenael.duclos@wipsea.com