E Cognition User Summit2009 Pbunting University Wales Forestry

Advances in the use of eCognition for forest research and applications Dr. Pete Bunting

Contents ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Forest Mask ,[object Object],[object Object],[object Object],[object Object]

Indexes and Indices for Forest Discrimination ,[object Object],[object Object],[object Object]

Forest Discrimination Methodology ,[object Object],[object Object],[object Object],[object Object],[object Object]

Forest Discrimination Methodology ,[object Object],[object Object]

Hill and Valley Model ,[object Object],[object Object],[object Object],[object Object]

Splitting the Forest into Crowns We locate the bright areas of the crown and grow to the crown edge.

Using a Global Variable ,[object Object],Without With Setup variable Loop until reach the required value Increment the variable

Merging Small Objects ,[object Object],[object Object]

Classifying Tree Crowns ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Examples of Merging Crowns Bright point merging Including small objects Before After Before After Relative Border Relative size Before After Before After

Parco Nazionale d’Abruzzo, Lazio e Molise, Italy www.definiens.com

Object Variables: Mean-lit Spectra ,[object Object],[object Object],[object Object],[object Object],Level 2 Level 1

Object Variables for Tree Species Classification Object Mean Object Variables

An example of tree species classification in Australia Stereo Air-Photo Eucalyptus populnea Eucalyptus melanaphloia

LiDAR Height CASI reflectance LiDAR HSCOI CASI band ratio CASI Tree Crowns ,[object Object],[object Object],[object Object],[object Object],Species Map of crowns from CASI data Biomass Map Stem Locations Integration of CASI/LIDAR Data Branch Locations

Automated delineation of forest communities

Landsat / AIRSAR Classification ,[object Object],[object Object],[object Object],[object Object],[object Object]

Comparison to Landsat CASI Species Crown Cover

Classification of Communities ,[object Object],[object Object]

Long-term change observed from LiDAR, Injune August 2000 – Optech ALTM1020 April 2009 – Riegl LMS-Q560 0m 30m Height Jorg Hacker, Ariborne Research Australia, Alex Lee/John Armston

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E Cognition User Summit2009 Pbunting University Wales Forestry

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E Cognition User Summit2009 Pbunting University Wales Forestry

Editor's Notes