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    Obstacle_Detection messages not appearing

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    • ?
      A Former User
      last edited by 25 Aug 2021, 16:12

      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?

      D 1 Reply Last reply 25 Aug 2021, 17:25 Reply Quote 0
      • D
        Daniel Ryu @Guest
        last edited by 25 Aug 2021, 17:25

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

        1 Reply Last reply Reply Quote 0
        • ?
          A Former User
          last edited by 25 Aug 2021, 17:30

          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

          D 1 Reply Last reply 25 Aug 2021, 17:36 Reply Quote 0
          • D
            Daniel Ryu @Guest
            last edited by 25 Aug 2021, 17:36

            @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 25 Aug 2021, 17:40

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

              D 1 Reply Last reply 25 Aug 2021, 17:41 Reply Quote 0
              • D
                Daniel Ryu @Guest
                last edited by 25 Aug 2021, 17:41

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

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                • ?
                  A Former User
                  last edited by 25 Aug 2021, 17:48

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

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                  • ?
                    A Former User
                    last edited by 25 Aug 2021, 17:50

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

                    D 1 Reply Last reply 25 Aug 2021, 17:53 Reply Quote 0
                    • D
                      Daniel Ryu @Guest
                      last edited by 25 Aug 2021, 17:53

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

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                      • D
                        Daniel Ryu
                        last edited by 25 Aug 2021, 17:58

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

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                        • ?
                          A Former User
                          last edited by 25 Aug 2021, 18:43

                          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.

                          D 1 Reply Last reply 25 Aug 2021, 20:30 Reply Quote 0
                          • D
                            Daniel Ryu @Guest
                            last edited by 25 Aug 2021, 20:30

                            @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 25 Aug 2021, 21:14

                              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

                              D 1 Reply Last reply 25 Aug 2021, 21:36 Reply Quote 0
                              • D
                                Daniel Ryu @Guest
                                last edited by 25 Aug 2021, 21:36

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

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