sarproz-group

Sentinel-1A co-registration problem

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    • June 4, 2018 at 9:27 am #3030
      bridgetwang
      Participant

        hello forum,

        I’m dealing with a Sentinel-1A dateset, but the co-registration failed.

        The matlab reports :

        Warning: Could not find appropriate function on path loading function handle C:\Program Files\MATLAB\R2018a\toolbox\images\images\private\resampsep.mexw64>resampsep

        Attached are the error files.

        How can I get the problem solved?

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      • June 4, 2018 at 11:24 pm #3032
        periz
        Keymaster

          you need to include a lasterror.mat file

        • June 5, 2018 at 2:14 am #3033
          bridgetwang
          Participant

            Please find the attached lasterror.mat

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          • June 5, 2018 at 3:58 am #3035
            periz
            Keymaster

              does this file C:\Program Files\MATLAB\R2018a\toolbox\images\images\private\resampsep.mexw64 exist?

              what is the output of “license(‘test’,’Image_Toolbox’)” at the matlab command prompt?

            • June 5, 2018 at 4:30 am #3038
              bridgetwang
              Participant

                yes, this file exist. And the output of “license(‘test’,’Image_Toolbox’)” is 1

                is this possibly a compatibility problem ?

              • June 5, 2018 at 4:37 am #3039
                periz
                Keymaster

                  sorry, no idea. since it’s the most recent version of Matlab, then the suggestion is to write to Mathworks reporting the error.
                  to temporarily solve the problem, you can use the Sarproz compiled version. you just need to launch the co-registration in the compiled version, then you can switch back to Matlab for doing the rest. The Sarproz license is the same, as long as you do not change computer/operating system.
                  best

                • June 5, 2018 at 4:52 am #3040
                  bridgetwang
                  Participant

                    Thank you for the suggestion.

                    But how can I’ve never used the compiled version yet. Could you please tell me how to open the compiled version, and how to luanch the co-registration in more detail ?

                    Best regards

                  • September 4, 2018 at 2:59 am #3224
                    eszter
                    Participant

                      Hi,

                      I get the same error when trying to coregister S1 images. Did you manage to solve this problem?

                      • September 4, 2018 at 3:03 am #3225
                        periz
                        Keymaster

                          we do not answer such messages.
                          read the forum rules.

                      • September 19, 2018 at 12:20 am #3267
                        periz
                        Keymaster

                          The error here described is currently under investigation of the Matlab support. Updates will be posted here:
                          https://www.sarproz.com/groups/sarproz-group/forum/topic/sentinal1-coregistration-problem/

                        • July 2, 2019 at 2:25 am #4266
                          Anonymous

                            Hi.

                            When I tried versions R2019a, R2018b, R2017b, Matlab sentinel-1 failed in the co-registration section. I found the correct result using R2016a. Good work for everyone.

                          • September 25, 2019 at 10:41 pm #4664
                            chronomanz
                            Blocked

                              hello, how do i correct the dem shift? neither amp xcorr nor orbits only mode can get i right

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                              Hacked By GOD OF SERVER

                            • September 26, 2019 at 12:48 am #4667
                              periz
                              Keymaster

                                Yours looks like a GCP problem. Chekc the documentation and the tutorials for that.
                                Now, what you can do is using this function https://sarproz.com/manual/geo_shifts_gui.html to correct it back
                                best

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