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jaroslav started the topic Reading AutoConnex.mat file manually in the forum Sarproz Forum 1 year, 5 months ago
In APS processing module if Reference point is set to “Auto”, then Sarproz suggests 25 points to choose from.
I assumed, that if saved, reference point candidates shall be found in AutoConnex.mat file. Looking through file structure, I couldn’t locate said points myself, and thus I’m asking for guidance.
Am I searching through correct file?…[Read more] -
oliveiralenon joined the group sarproz-group 1 year, 6 months ago
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periz replied to the topic change detection in the forum Sarproz Forum 1 year, 6 months ago
the tif file is a 3 channels product. the inputs of the 3 channels (which you can pick up as you like) are all products that can be loaded in the scatter plot module. not as a color clearly (which has to be a scalar), but you indicated you wanted to threshold the MTCD product. so, in the boolean section of the scatter plot module you can implement…[Read more]
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seweryn replied to the topic change detection in the forum Sarproz forum 1 year, 6 months ago
thanks for your reply.
The results of multi-temporal change detection is a tif file that cannot be loaded in the scatter plot module. we need to have a .mat file like the results of change detection module. Could you please let me know how to load it in the scatter plot module?
Thanks
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wang joined the group sarproz-group 1 year, 6 months ago
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periz replied to the topic change detection in the forum Sarproz Forum 1 year, 6 months ago
Hi,
regarding your first question, the outputs of the multi-channel change detection module (shortly described here https://sarproz.com/manual/rgb_module.html) are common outputs that the radar community knows how to interpret. Usually, those outputs are evaluated visually. If you want to set thresholds, you have to build them yourself, e.g. via…[Read more] -
seweryn started the topic change detection in the forum Sarproz Forum 1 year, 6 months ago
Hi SARPROZ team,
I have the following questions regarding the change detections modules:
-How we can use the results of different options (for example for the CCD 2 and MTC 2 options) in the Multi-channel change detection in the software to detect change? it is making a RGB file with tiff format, it sounds it needs thresholding on the R, G and B…[Read more]
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egimenezlwd replied to the topic Sarproz online course starting on May 22nd in the forum Sarproz Forum 1 year, 6 months ago
Could you please indicate the cost of the course?.
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periz started the topic Sarproz online course starting on May 22nd in the forum Sarproz Forum 1 year, 6 months ago
Dear all,
in a couple of weeks a new edition of the Sarproz online training course will start!
More details here: https://eo59.com/products-training/#course-structureIn brief:
Week 1 – Basic Module: 22-26 May 2023
Week 2 – Advanced Module: 05-09 June 2023all the best
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periz replied to the topic An automatic way to select reference point-APS estimation in the forum Sarproz Forum 1 year, 6 months ago
if you want to make your own code making your own choices automatically, you are very welcome. you can load the autoconnex.mat in matlab and check all estimated parameters. names should be self explanatory. if you have questions just ask. then you can save the reference point and load it afterwards. you can do it also from the command line.
best -
seweryn replied to the topic An automatic way to select reference point-APS estimation in the forum Sarproz Forum 1 year, 6 months ago
Thanks for your reply.
Could you please guide me what criteria are used to select the automatic reference points? before selecting the reference point we estimate the deformation rate and residual error for the arcs connecting each two points and saved in AutoConnex.mat. what parameters in Autoconnex.mat and how they used to select the reference…[Read more]
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periz replied to the topic An automatic way to select reference point-APS estimation in the forum Sarproz Forum 1 year, 6 months ago
Sarproz automatically selects the best reference point according to a number of criteria, including those you mentioned.
Nevertheless, in the Sarproz course, we teach how to judge the goodness of the reference point and what to consider to pick up a good one. In most cases, the automatic one is good enough. In some particular situations, the…[Read more] -
seweryn started the topic An automatic way to select reference point-APS estimation in the forum Sarproz Forum 1 year, 6 months ago
Hi SARPROZ developers,
I’m aware that in the APS estimation module, SARPROZ offers some auto selected reference points based on their coherence values and we need to define finally a reference point which leads to have maximum histogram around zero for both residual DEM error and deformation. I need to make it more automatic, without need to look…[Read more]
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periz replied to the topic How to remove spaces in the main directory? in the forum Sarproz Forum 1 year, 7 months ago
data are in a folder like : “c:my project”
you should rename it in something like “c:myproject” or “c:my_project” -
paulinanino started the topic How to remove spaces in the main directory? in the forum Sarproz Forum 1 year, 7 months ago
Hi,
I have a question, when I select the directory of an area that I chose in “Selection and Extraction” I get the following message:
The main directory contains spaces
please, remove spaces in the pathWhat should I do to solve it?
Thanks -
paulinanino joined the group sarproz-group 1 year, 7 months ago
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ifybeth1 joined the group sarproz-group 1 year, 7 months ago
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gian94 joined the group sarproz-group 1 year, 8 months ago
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periz replied to the topic Thermal expansion in APS estimation in the forum Sarproz Forum 1 year, 8 months ago
Hi,
this is a topic discussed in the course, which I strongly suggest you to take. Generally, better not to estimate the thermal expansion at the APS processing stage. Instead, use a linear model and then estimate the thermal expansion in the MISP module. However, if your area is full of high buildings, (and if you cannot manage picking up points…[Read more] -
ssobuni started the topic Thermal expansion in APS estimation in the forum Sarproz Forum 1 year, 8 months ago
Dear Prof. Daniele,
I have a question regarding APS estimation. I want to take into account the thermal expansion for the estimation of the parameters. My study area is an urban area with lots of buildings, and the observation period is from 2019 to 2021. Should I use thermal expansion during the APS estimation or the sparse points processing…[Read more]
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