MARINE SCENARIO - WAVE FRONT DETECTION

Touria BajjoukiFremer, France

IQmulus, Final WorkshopBergen, September 21, 2016

The research leading to these results has received funding from the European Union Seventh Framework Programme (FP7/2007-2013) under grant agreement n° 318787.

IQmulus workshop, Bergen

LIDAR WAVEFORM - MOTIVATION

o Airborne Lidar is a widely adopted technology for shallow coastal waters applications, o Contains much more information (useful for end-users) than simple bathymetry,o There is no commercial tool to handle this complex data.

Production of a seafloor 2D map with labels corresponding to identified sea bottom typesUsing Bathymetric Lidar Full WaveForm Data

I Q M U L U S U S E R S T O R I E S : 3 9 T O 4 3

U S E R E X P E C TAT I O N S

Allows to o extract from the lidar waveform parameters (Peak height, Pulse width, Pulse area, …) useful for classification of Seabed bottom types.

S E R V I C E 11 2 - B W F 2 _ W F _ AT T R I B U T E _ E X T R A C T I O N

S E R V I C E 111 – B W F 1 _ W F _ I N D E X I N GPerforms both sequential and spatial indexing

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IQmulus workshop, Bergen

Hard Substrate

Classification Soft Substrate

Vegetation

28 Waveform Attributes

MS5 WORKFLOW

(Octave)

21/09/2016

IQmulus workshop, Bergen

QUALITY-BIG DATA ASPECT

Roches de Penmarc’hMolène Archipelago

H AW K E Y E I I U S E D D ATA

Brittany RegionField data showing the presence (green) and absence (brown) of vegetation overlayed on Pulse Area

o Tested on several small and larger scale survey data sets from the Hawk Eye II system o Compared to ground truth data (video and diving samples) on sea bottom types

21/09/2016