Discussion Session
Land Cover and Forest Monitoring
2013 Pacific Islands GIS/RS User Conference18th – 22nd NovemberSuva, Fiji Islands
Vilisi TokalauvereGIS/RS Officer
SOPAC DIVISIONSecretariat of the Pacific Community
The need
For Food SecurityFAO ReportingBio-fuel ProjectsClimate Change
Carbon StockLand Cover has to be reported
2013 Pacific Islands GIS/RS User Conference
Main Problems
Texture analysis requires high-resolution image data
Cloud cover still problem Image segmentation necessary Signature database missing No capacity in PIC
2013 Pacific Islands GIS/RS User Conference
Display QuickBird Data
Texture of pan-sharpened QuickBird data allows to separate palm and natural forest
Texture of pan-sharpened QuickBird data allows to separate palm and natural forest
Spectral SeparationSpectral Separation
Pandanas
Shrub
BananasBreadfruit
Reflection over Vegetation
RGB NIR
0
20
40
60
80
100
120
140
160
180
1 2 3 4
BANDS
RE
FL
EC
TIO
N
Coconut
Breadfruit
Pandanus
Visual Interpretation Vs Semi Automatic Classification.