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

3-7 September 2012 SARPROZ (c) tutorial, Daniele Perissin 2/150

DEM DEM resamplingresampling in SAR in SAR coordinatescoordinates

3-7 September 2012 SARPROZ (c) tutorial, Daniele Perissin 3/150

Select “External DEM Height” from the menu

View Parameters

3-7 September 2012 SARPROZ (c) tutorial, Daniele Perissin 4/150

View Parameters

Press the button “Plot”

3-7 September 2012 SARPROZ (c) tutorial, Daniele Perissin 5/150

View Parameters

Plotting the “Synthetic Amplitude”

Compare it with the Reflectivity Map to check the co-registration precision

3-7 September 2012 SARPROZ (c) tutorial, Daniele Perissin 6/150

Precise Precise geocodinggeocoding and data and data exportation in exportation in GoogleEarthGoogleEarth

3-7 September 2012 SARPROZ (c) tutorial, Daniele Perissin 7/150

Site Processing

To export a detailed map in GE, use “Extended Geocoding”

3-7 September 2012 SARPROZ (c) tutorial, Daniele Perissin 8/150

Extended Geocoding

1. Select “Reflectivity map”from the menu

2. Choose the downsamplingfactor

3. Press the button “Geocode”

3-7 September 2012 SARPROZ (c) tutorial, Daniele Perissin 9/150

The Reflectivity Map in GE

The quality now is higher because the DEM has been taken into account

3-7 September 2012 SARPROZ (c) tutorial, Daniele Perissin 10/150

Change detection with pairs of Change detection with pairs of imagesimages

3-7 September 2012 SARPROZ (c) tutorial, Daniele Perissin 11/150

Site Processing

Change detection with a single pair of images

3-7 September 2012 SARPROZ (c) tutorial, Daniele Perissin 12/150

Change detection

Select 2 different images as Master and Slave from the

menu

3-7 September 2012 SARPROZ (c) tutorial, Daniele Perissin 13/150

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

3-7 September 2012 SARPROZ (c) tutorial, Daniele Perissin 14/150

Change detection

Normalized and filtered difference

3-7 September 2012 SARPROZ (c) tutorial, Daniele Perissin 15/150

Change detection

Geocoded result

3-7 September 2012 SARPROZ (c) tutorial, Daniele Perissin 16/150

Interferometry processingInterferometry processing

3-7 September 2012 SARPROZ (c) tutorial, Daniele Perissin 17/150

Site Processing

To prepare the data for interferometric processing, generate phase to flat and phase to height constants

3-7 September 2012 SARPROZ (c) tutorial, Daniele Perissin 18/150

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

3-7 September 2012 SARPROZ (c) tutorial, Daniele Perissin 19/150

Single Interferogram Processing

The results

3-7 September 2012 SARPROZ (c) tutorial, Daniele Perissin 20/150

Single Interferogram Processing

The geocoded masked phase

3-7 September 2012 SARPROZ (c) tutorial, Daniele Perissin 21/150

Single Interferogram Processing

The geocoded coherence

3-7 September 2012 SARPROZ (c) tutorial, Daniele Perissin 22/150

Sparse Points visualizationSparse Points visualization

3-7 September 2012 SARPROZ (c) tutorial, Daniele Perissin 23/150

Examples for InterferometryExamples for Interferometry

3-7 September 2012 SARPROZ (c) tutorial, Daniele Perissin 24/150

Load data with “Select Dataset”

SARPROZ main window

3-7 September 2012 SARPROZ (c) tutorial, Daniele Perissin 25/150

Dataset Selection

Pick up a directory via “Select” button in “Site Directory”

Select Tibet ALOS