radiometric normalisation of landsat etm+ data for a change detection study
DESCRIPTION
Dr Jerome O Connell - presentation made at various conferences throughout Europe as part of PhD which was funded by the EPA under the STRIVE Research Programme 2007-2013 (2007-PhD-ET-2)TRANSCRIPT
Funded by the EPA, STRIVE under the National Development Plan (2007 – 2013)
Lackan
BrittasKilteel
Kilbride
Stepaside
Roundwood
Kilternan
Enniskerry
Valleymount
Blessington
Ballyknockan
Funded by the EPA, STRIVE under the National Development Plan (2007 – 2013)
Funded by the EPA, STRIVE under the National Development Plan (2007 – 2013)
Funded by the EPA, STRIVE under the National Development Plan (2007 – 2013)
Water
Urban...?
Regression line
24/0
2/200
1
02/07/2001
Funded by the EPA, STRIVE under the National Development Plan (2007 – 2013)
Water AOI
Urban AOI
Water
Urban 24/0
2/200
1
02/07/2001
New regression line
Chen method
Subset method
Area Of Interest (aoi)
Funded by the EPA, STRIVE under the National Development Plan (2007 – 2013)
Funded by the EPA, STRIVE under the National Development Plan (2007 – 2013)
Dark Object Subtraction
Topographic normalisation
Dn to reflectance
EVI2
Funded by the EPA, STRIVE under the National Development Plan (2007 – 2013)
Funded by the EPA, STRIVE under the National Development Plan (2007 – 2013)
Funded by the EPA, STRIVE under the National Development Plan (2007 – 2013)
Original Master Slave
Funded by the EPA, STRIVE under the National Development Plan (2007 – 2013)
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
Feb 17th Norm May 8th Norm May 24th Aug 28th Norm Oct 31st Norm
EV
I2
Average EVI2 for peatland habitats
Wet heath
Upland blanket bog
Cutover bog
Montane heath
Bracken
Grassaland
Funded by the EPA, STRIVE under the National Development Plan (2007 – 2013)
0
0.1
0.2
0.3
0.4
0.5
0.6
Feb 17th May 8th May 24th Aug 28th Oct 31st
EV
I2
Average original and normalised EVI2 values
Wet heath Norm
Wet heath
Upland blanket bog Norm
Upland blanket bog
Funded by the EPA, STRIVE under the National Development Plan (2007 – 2013)
Thanks for your time...
Funded by the EPA, STRIVE under the National Development Plan (2007 – 2013)