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periz replied to the topic GCP and SPS decision in the forum Sarproz Forum 9 years, 3 months ago
Hi Ana,
from the pictures you are attaching here I cannot see your problem.
Did you generate the kmz file of the Reflectivity Map? Only with that kmz you can see if your image has been geocoded well.
Please consider one factor more: for precise geocoding, you (the software) need to consider also the external DEM.
if you geocode the reflectivity…[Read more] -
anarizka replied to the topic GCP and SPS decision in the forum Sarproz Forum 9 years, 3 months ago
Dear Mr.Daniele
In your tutorial you say that if we are not really satisfied with the automatically selected point. Therefore, we are going to select one manually. Depending on the available data and the resolution, there are different strategies for selecting good tie-points for geo-coding.
For GCP point problem , I want to make sure that…[Read more]
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periz replied to the topic GCP and SPS decision in the forum Sarproz Forum 9 years, 4 months ago
Hi Ana
1) if you plot the GCP in geographic and in SAR coordinates, the 2 pictures will not be matching, because SAR images are plotted with the range in the vertical direction and azimuth in the horizontal one. If you want to plot the SAR image in geographic coordinates, you can press the “Mean Kml” button (in the GCP selection module): you will…[Read more]
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anarizka started the topic GCP and SPS decision in the forum Sarproz Forum 9 years, 4 months ago
Dear Mr.Daniele
I have some problem lists below:
1. I make GCP itself from google earth, in left-below from interest area but in Refl.map value why the GCP still in right-below of image? It looks like I don’t geocoding yet. But from your tutorial, you have not done geocoding too. I think, GCP point in Refl.map must in left-below. Am I miss some…[Read more] -
farnoshhosseini replied to the topic DEM extraction in the forum Sarproz Forum 9 years, 4 months ago
yeah I was wrong about DEM alignment. everything was ok with DEM
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periz replied to the topic DEM extraction in the forum Sarproz Forum 9 years, 4 months ago
Just a couple of comments to close this topic
Ivana: thanks to your case I inserted a couple of minor corrections to provide a better match between the SAR and geographic coordinates in the Master area selection, SLC module. Pcodes are online, compiled version for windows is uploading, and the linux compiled version will be available in the next…[Read more]
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periz replied to the topic DEM extraction in the forum Sarproz Forum 9 years, 4 months ago
The height is considered. However, what is used is the height coming with the SAR image, which is usually 1 value for the whole image. We can work at improving it. But we would need to get 2 sample images in which the shift is present and significant.
Ivana, could you share 2 images out of your case? -
ivca-cz replied to the topic DEM extraction in the forum Sarproz Forum 9 years, 4 months ago
Hello,
regarding the out-of-area crop (the first question), I have the same experience. It seems to me that probably when reading the dataset, no heights are considered, and the crop is then moved to east/west (different for asc/desc). It helps to crop a bigger area or just put shifted geo coordinates. In the next steps (GCP, geocoding etc.), the…[Read more]
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periz replied to the topic DEM extraction in the forum Sarproz Forum 9 years, 4 months ago
Hi Farnoosh,
some comments below:1. in the software manual, you can check how the software can ingest external DEMs at the paragraph “1.4.2.1. External DEM Selection”
2. probably the easiest way for you is to create a geotiff DEM (with an other software) and import it in Sarproz
3. anyway Sarproz can manage TDX bistatic pairs and respective…[Read more] -
farnoshhosseini started the topic DEM extraction in the forum Sarproz Forum 9 years, 4 months ago
Hello everybody;
I have recently installed SARproz and I want to know how can I import a DEM which I have produced with a TDX bistatic pair in SARproz?
the default one is SRTM. I tested the first process with sw’s default DEM. but the area which was defined by cursor was not the same as my images scene. it was spread from west and didn’t cover the…[Read more] -
farnoshhosseini started the topic DEM extraction in the forum Sarproz Forum 9 years, 4 months ago
Hello everybody;
I have recently installed SARproz and I want to know how can I import a DEM which I have produced with a TDX bistatic pair in SARproz?
the default one is SRTM. I tested the first process with sw’s default DEM. but the area which was defined by cursor was -
espiritocz replied to the topic Radarsat-2 data import in the forum Sarproz Forum 9 years, 4 months ago
Dear Daniele,
thank you for fast response!
I will test it now (Manage Version shows the last to be from 27-Apr, is it the new one?).
The topic of AOI is subsidence of buildings – three weeks ago a dangerous movement was (accidentally) detected over one building. With this dataset we may detect this movement in similar way you did for Hong-Kong,…[Read more] -
periz replied to the topic Radarsat-2 data import in the forum Sarproz Forum 9 years, 4 months ago
Milan:
the data were stored in a flipped format. Now the data extractor has been generalized and the image has the right orientation.
I saw the big orbital data errors. However, we did not test the phase flattening yet.
Let me know if you still get big ramps. If so, we’ll also generalize an orbit correction.
Pcodes and compiled version for windows…[Read more] -
periz replied to the topic Licensing Problems in the forum Sarproz Forum 9 years, 4 months ago
For those who cannot use the “Manage Version” module to download the update, I paste here temporary links for direct download:
– pcodes: http://we.tl/H5B9HSLNfZ
– compiled for linux: http://we.tl/wW9CEUMhnY
– compiled for windows: http://we.tl/FO7E90lyZK -
yangyafu replied to the topic Licensing Problems in the forum Sarproz Forum 9 years, 4 months ago
How do I download the software sarproz?
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periz started the topic Licensing Problems in the forum Sarproz Forum 9 years, 4 months ago
Dear all,
a server to which Sarproz was connecting for licensing purposes started suddenly and inexplicably sending wrong messages (causing problems in the license verification).
The server is not managed by us, so, we had to change a piece of code and recompile the software.
You can now download pcodes and compiled version for windows. The linux…[Read more] -
periz replied to the topic Doubling Number of Graph Connection to MST Estimation in the forum Sarproz Forum 9 years, 4 months ago
Hi Ana,
at this moment the “super-MST” is not implemented yet. The options are those you can see in the menu (star, mst, delaunay, small temp baselines, full graph and so on). However, as you can see you have the option to load your own graph. So, you can design yourself a kind of “super-MST”. You just need to learn the format of a graph. For…[Read more]
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anarizka started the topic Doubling Number of Graph Connection to MST Estimation in the forum Sarproz Forum 9 years, 4 months ago
Dear Prof.Daniele
Based on your paper https://engineering.purdue.edu/~perissin/Publish/07BioGeoSARDossena.pdf
You have result in order to increase the effective temporal baseline, more connections can be added to the MST. By e.g. doubling the number of graph connections (selecting the most coherent interferograms not yet used).Could you tell…[Read more]
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espiritocz replied to the topic Radarsat-2 data import in the forum Sarproz Forum 9 years, 4 months ago
Hi, thank you.
indeed, the orbits have huge errors, showing also strong phase ramps.
I will send you one image for reference using ftp (in private message). thank you!Milan
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periz replied to the topic Radarsat-2 data import in the forum Sarproz Forum 9 years, 4 months ago
CNU_lee: at this moment you cannot mix gamma RSLC images with new SLC images… in principle it’s possible but at this moment the sw is not considering such option… we will implement it in the future, but for now I suggest you to find a different solution…
Milan: I see such thing for the first time. Probably the orbital data are flipped. Can…[Read more]
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