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    Obstacle_Detection messages not appearing

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    • Daniel RyuD
      Daniel Ryu
      last edited by Daniel Ryu

      I also calibrated the Stereo cameras and confirmed that output was coming out from the voxl-vision-px4 debug mode (-s flag)

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      • Daniel RyuD
        Daniel Ryu
        last edited by

        Screenshot from 2021-08-24 14-33-52.png

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        • ?
          A Former User
          last edited by

          It looks like everything is set up properly, can you run voxl-inspect-cam dfs-disparityand check to see that you're getting output there?

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          • Daniel RyuD
            Daniel Ryu @Guest
            last edited by

            @Alex-Gardner Doesn't seem like it, its stuck on this screen. Screenshot from 2021-08-25 10-23-50.png

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            • ?
              A Former User
              last edited by

              can you do the same but with stereo: voxl-inspect-cam stereo, if the dfs service is running and receiving frames it should be outputting data

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              • Daniel RyuD
                Daniel Ryu @Guest
                last edited by

                @Alex-Gardner I'm getting output just fine from stereo aloneScreenshot from 2021-08-25 10-35-32.png

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                • ?
                  A Former User
                  last edited by

                  What version of voxl suite/system image do you have? voxl-version should print this out

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                  • Daniel RyuD
                    Daniel Ryu @Guest
                    last edited by

                    @Alex-Gardner System image 3.3.0. Voxl-suite 0.4.6

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                    • ?
                      A Former User
                      last edited by

                      do you see dfs topics when you do ls /run/mpa

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                      • ?
                        A Former User
                        last edited by

                        wait the name is dfs_disparity, not dfs-disparity, what does the inspect cam say with that voxl-inspect-cam dfs_disparity

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                        • Daniel RyuD
                          Daniel Ryu @Guest
                          last edited by

                          @Alex-Gardner Output is generated for dfs_disparity Screenshot from 2021-08-25 10-53-01.png

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                          • Daniel RyuD
                            Daniel Ryu
                            last edited by

                            Screenshot from 2021-08-25 10-57-35.png

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                            • ?
                              A Former User
                              last edited by

                              The image is showing some disparity data there, the image is often very dark because it will be black if the dfs algo is unable to match regions and we do a lot of filtering to get rid of noise, but you can see 2 blobs there that it recognizes. If you're shoing the stereo cameras a blank wall or a repeating pattern it will be unable to properly match data.

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                              • Daniel RyuD
                                Daniel Ryu @Guest
                                last edited by

                                @Alex-Gardner That's good to know! How can I get the Obstacle Detection message to be sent to the QGC?

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                                • ?
                                  A Former User
                                  last edited by

                                  the file at /etc/modalai/voxl-vision-px4.conf has settings for QGC IP, enabling VOA, and sending VOA to QGC. Make sure that the latter two are enabled and that your qgc ip is correct and it should send to QGC

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                                  • Daniel RyuD
                                    Daniel Ryu @Guest
                                    last edited by

                                    @Alex-Gardner That was it, the ip address was not inputted correctly. Thanks!

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