(Resolution: 50% reduced) A New Automati A New Automatic ... · PDF fileA New AutomatiA New...
1
Dr. Dr. Yun Yun Zhang Zhang ( ( YunZhang YunZhang @UNB.ca) @UNB.ca) Department of Geodesy and Geomatics Engineering, University of N Department of Geodesy and Geomatics Engineering, University of N ew Brunswick, Canada ew Brunswick, Canada A New Automatic Approach for Effectively Fusing A New Automatic Approach for Effectively Fusing Landsat Landsat 7 as well as IKONOS Images 7 as well as IKONOS Images Pan Pan - - sharpened IKONOS image sharpened IKONOS image Fredericton, New Brunswick, Canada Fredericton, New Brunswick, Canada Problem of conventional fusion IKONOS 4m colour IKONOS 1m pan IHS fusion Colour distortion Reason for colour distortion SPOT pan IKONOS pan I image of IHS Difference between Difference between pan and I pan and I New Approach: • Statistic based • Standardized • Fully automatic IKONOS fusion Landsat 7 ETM+ fusion + = ETM+ 15m pan ETM+ 30m bands 123 ETM+ 123 fusion ETM+ 30m bands 234 ETM+ 234 fusion ETM+ 30m bands 357 ETM+ 357 fusion • Minimized colour distortion • Maximized spatial detail • Minimized colour distortion • Maximized spatial detail + = IKONOS 4m bands 123 IKONOS fusion IKONOS 1m pan IKONOS 4m bands 123 Colour preserved fusion Feature enhanced fusion Colour enhanced fusion Acknowledgements: The raw IKONOS images were provided by the City of Fredericton and Space Imaging, the Landsat ETM+ images by PCI Geomatics IGARSS 2002 IGARSS 2002 Toronto, 6/24 Toronto, 6/24 - - 28 28 Copyright © 2002 the University of New Brunswick (Resolution: 50% reduced)
Transcript of (Resolution: 50% reduced) A New Automati A New Automatic ... · PDF fileA New AutomatiA New...
Dr.Dr. YunYun Zhang Zhang (([email protected])@UNB.ca)Department of Geodesy and Geomatics Engineering, University of NDepartment of Geodesy and Geomatics Engineering, University of New Brunswick, Canadaew Brunswick, Canada
A New Automatic Approach for Effectively Fusing A New Automatic Approach for Effectively Fusing LandsatLandsat 7 as well as IKONOS Images7 as well as IKONOS Images
PanPan--sharpened IKONOS imagesharpened IKONOS image Fredericton, New Brunswick, CanadaFredericton, New Brunswick, Canada
Problem of conventional fusionIKONOS 4m colour IKONOS 1m pan IHS fusion
Colour distortion
Reason for colour distortion
SPOT pan IKONOS pan I image of IHS
Difference between Difference between pan and Ipan and I
New Approach: • Statistic based • Standardized • Fully automatic
IKONOS fusion
Landsat 7 ETM+ fusion
+ =
ETM+ 15m pan ETM+ 30m bands 123 ETM+ 123 fusion ETM+ 30m bands 234 ETM+ 234 fusion ETM+ 30m bands 357 ETM+ 357 fusion
• Minimized colour distortion • Maximized spatial detail
• Minimized colour distortion • Maximized spatial detail
+ =
IKONOS4m bands 123
IKONOS fusionIKONOS 1m pan
IKONOS 4m bands 123 Colour preserved fusion
Feature enhanced fusion Colour enhanced fusion
Acknowledgements: The raw IKONOS images were provided by the City of Fredericton and Space Imaging, the Landsat ETM+ images by PCI Geomatics
IGARSS 2002IGARSS 2002 Toronto, 6/24Toronto, 6/24--2828
Copyright © 2002 the University of New Brunswick
(Resolution: 50% reduced)
