sarproz · tutorial on sar, insar, psinsar sarproz the sar processing tool by periz petronas...
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3-7 September 2012 SARPROZ (c) tutorial, Daniele Perissin 1/150
http://ihome.cuhk.edu.hk/~b122066/index_files/download.htm
Tutorial on SAR, Tutorial on SAR, InSARInSAR, , PSInSARPSInSAR
SARPROZSARPROZ
The SAR processing tool by The SAR processing tool by PeriZPeriZ
PetronasPetronas University of Technology UTPUniversity of Technology UTP
Part IIPart II
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DEM DEM resamplingresampling in SAR in SAR coordinatescoordinates
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Select “External DEM Height” from the menu
View Parameters
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View Parameters
Press the button “Plot”
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View Parameters
Plotting the “Synthetic Amplitude”
Compare it with the Reflectivity Map to check the co-registration precision
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Precise Precise geocodinggeocoding and data and data exportation in exportation in GoogleEarthGoogleEarth
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Site Processing
To export a detailed map in GE, use “Extended Geocoding”
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Extended Geocoding
1. Select “Reflectivity map”from the menu
2. Choose the downsamplingfactor
3. Press the button “Geocode”
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The Reflectivity Map in GE
The quality now is higher because the DEM has been taken into account
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Change detection with pairs of Change detection with pairs of imagesimages
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Site Processing
Change detection with a single pair of images
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Change detection
Select 2 different images as Master and Slave from the
menu
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Change detection
Choose processing options:1. Difference2. Normalization3. Filter Window 10 pixels4. Noise threshold 0.2
Then press Go
And plot images and results
Geocoding module
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Change detection
Normalized and filtered difference
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Change detection
Geocoded result
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Interferometry processingInterferometry processing
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Site Processing
To prepare the data for interferometric processing, generate phase to flat and phase to height constants
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Single Interferogram Processing
Select 2 different images as Master and Slave from the menu
Plot DEM and Images
Choose the operations you want to perform (flattening, DEM removal, filtering –window size-)
And press GO
Plot the results
Choose appropriate parameters and Geocode the results in GE
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Single Interferogram Processing
The results
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Single Interferogram Processing
The geocoded masked phase
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Single Interferogram Processing
The geocoded coherence
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Sparse Points visualizationSparse Points visualization
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Examples for InterferometryExamples for Interferometry
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Load data with “Select Dataset”
SARPROZ main window
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Dataset Selection
Pick up a directory via “Select” button in “Site Directory”
Select Tibet ALOS