Radiometric normalisation of LANDSAT ETM+ data for a change detection study

Post on 22-Nov-2014

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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)