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Project Video Scanner

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  • J Offline
    juju
    last edited by 23 Jul 2015, 11:44

    struggling with the download, keeps on resetting in my download manager

    what do you reckon, hero 1 or hero 2 units? Seeing that high speed recording won't be required and quite probably only 720p the hero 1 should work just fine

    how does one use this software with picture stills?

    Save the Earth, it's the only planet with chocolate.

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    • K Offline
      kaas
      last edited by 23 Jul 2015, 11:53

      @juju said:

      ...for existing built fabric I would think accuracy of <0,01m would be sufficient

      You're right, 0.001m is maybe asking a bit too much. I would settle for < 0.005m

      Very interesting these new techniques. Looks like maybe you don't need to spend several K's anymore to finally be able to make a quick and accurate enough 3d scan of a house/rooms/outside in the very near future.

      What to choose...

      • Google Project Tango - claims 1% accuracy = not enough
      • Google Project Tango with Smart Picture 3d = claims 5mm? goal = 2mm.
      • Structure Sensor - claims 1% accuracy = not enough
      • MS Kinect with Skanect - support for Kinect seems to be 'dead' since Structure sensor acquired Skanect

      edit: added accuracy for Tango & Structure sensor

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      • K Offline
        Krisidious
        last edited by 23 Jul 2015, 11:56

        Are you talking about 123D?

        If so, you just take photos around the object at intervals and then when you upload them to the software you go through each photo picking the same point on each photo. you do this with 3-4 points and it starts to learn the shape.

        By: Kristoff Rand
        Home DesignerUnique House Plans

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        • K Offline
          Krisidious
          last edited by 23 Jul 2015, 11:58

          Ahhb you meant the Go Pro... Pretty sure you would only need the one Hero unit to use this program.

          By: Kristoff Rand
          Home DesignerUnique House Plans

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          • J Offline
            juju
            last edited by 24 Jul 2015, 07:54

            aaaargh! the PVS download just isn't happening for me, has anybody downloaded the 359MB ZIP file and is able to host it on a reliable/fast service or send me a dropbox (or similar) link?

            Save the Earth, it's the only planet with chocolate.

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            • K Offline
              Krisidious
              last edited by 24 Jul 2015, 08:13

              favicon

              (www.aboveallhouseplans.com)

              don't forget small exe updates on that page and the Xvid codec.

              By: Kristoff Rand
              Home DesignerUnique House Plans

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              • J Offline
                juju
                last edited by 24 Jul 2015, 08:56

                @krisidious said:

                favicon

                (www.aboveallhouseplans.com)

                don't forget small exe updates on that page and the Xvid codec.

                Thanks Kris, appreciated. Looks like the download was finally successful from the google+ source.

                Yep, got the codecs (Xvid and HuffyUV) already, looks like the HuffyUV (v2.1.1 - don't get 2.2 as it seems to be problematic) codec has 64-bit and multi-threaded variants, got those as well to test.

                I have a number of questions on this system, hopefully I can figure it out along the way. I'm hoping the product is good enough to offer this as a service.

                Remember to download the programs referred to in the blog post from 2 April 2014.

                I wonder when the version 2 will see the light of day, in the blog post of 20 July 2015 there is a reference to it.

                Save the Earth, it's the only planet with chocolate.

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                • J Offline
                  juju
                  last edited by 24 Jul 2015, 12:27

                  for information, PLY files can be read with Blender and Meshlab (amongst others) as well

                  FYI new blogpost, seems like PVS version 2 actively being worked on, seems like some of the requests are things I'd like to see as well...

                  Save the Earth, it's the only planet with chocolate.

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                  • K Offline
                    kaas
                    last edited by 24 Jul 2015, 16:15

                    I realized there might be one 'small' problem.. these kind of applications create meshes with a very high polycount. Something like 100k to several millions of triangles for single scan objects. Importing those meshes into Sketchup will at least slow Sketchup down bigtime or will even fail.
                    Too bad Trimble Scan Explorer only reads their own file format and no commonly used point cloud file types.

                    edit: I see JuJu already said the same in the top post.

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                    • JQLJ Offline
                      JQL
                      last edited by 24 Jul 2015, 17:20

                      How did I miss this post!

                      Do you think a polygon reducing app like Simplygon could be used with this or is it simply too much polygons for that to handle?

                      www.casca.pt
                      Visit us on facebook!

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                      • K Offline
                        Krisidious
                        last edited by 24 Jul 2015, 18:01

                        You'll work in sections to either rebuild using it as a base or if you have the right tools to perhaps reduce and rebuild the mesh automatically. I would be happy just to get the rough model.

                        By: Kristoff Rand
                        Home DesignerUnique House Plans

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                        • K Offline
                          kaas
                          last edited by 30 Jul 2015, 13:53

                          Excited about these techniques, I did some tests with VisualSFM & CMPMVS.
                          You don't need a stereo camera and a normal camera will do just fine. Just need a lot of overlapping pictures. Take a video and export every 10th frame as a picture worked fine as well.

                          Tried it on the exterior of a nearby mill. Calculation of the 3d model using these programs took several hours - 123D created the 3d model in several minutes but it had less detail (64k vertices vs 1.1M vertices) and the textures looked blurry.

                          The end result resembles the building but it's not really useful to me (yet):

                          • Nothing is flat in the 3d model - even if the real thing has flat surfaces. That will make rebuilding a low poly object in SketchUp difficult - how to decide which bump/point of the model to snap to??
                          • It's hard to get the (textured) model into SketchUp. Meshlab opens the model in seconds. Blender in a minute, SketchUp's ply importer is already busy for 3 hours and I'm not sure if it will ever finish. Maybe have to split up the large model in Blender into smaller ones and rebuild it in SketchUp?!

                          Also:

                          • reflective surfaces don't work well (found that one out 'scanning' a table with some objects on it)
                          • the software needs 'anchors' to match the individual frames. For more large uniform planes (ceiling, white walls etc) the software can't find matches so that results in large gaps.

                          Still, it's fun to see the software build something 3d out of pictures.


                          mill.jpg

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                          • K Offline
                            Krisidious
                            last edited by 30 Jul 2015, 17:56

                            You're blowing my doors off...

                            By: Kristoff Rand
                            Home DesignerUnique House Plans

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                            • K Offline
                              kaas
                              last edited by 31 Jul 2015, 05:02

                              @unknownuser said:

                              You're blowing my doors off...
                              I don't think thats a good thing or...? Kristoff, I'm sorry if I hijacked your thread. I just thought, these programs and their results were related and thus relevant.

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                              • J Offline
                                juju
                                last edited by 31 Jul 2015, 11:15

                                @kaas said:

                                Excited about these techniques, I did some tests with VisualSFM & CMPMVS.
                                You don't need a stereo camera and a normal camera will do just fine. Just need a lot of overlapping pictures. Take a video and export every 10th frame as a picture worked fine as well.

                                Tried it on the exterior of a nearby mill. Calculation of the 3d model using these programs took several hours - 123D created the 3d model in several minutes but it had less detail (64k vertices vs 1.1M vertices) and the textures looked blurry.

                                The end result resembles the building but it's not really useful to me (yet):

                                • Nothing is flat in the 3d model - even if the real thing has flat surfaces. That will make rebuilding a low poly object in SketchUp difficult - how to decide which bump/point of the model to snap to??
                                • It's hard to get the (textured) model into SketchUp. Meshlab opens the model in seconds. Blender in a minute, SketchUp's ply importer is already busy for 3 hours and I'm not sure if it will ever finish. Maybe have to split up the large model in Blender into smaller ones and rebuild it in SketchUp?!

                                Also:

                                • reflective surfaces don't work well (found that one out 'scanning' a table with some objects on it)
                                • the software needs 'anchors' to match the individual frames. For more large uniform planes (ceiling, white walls etc) the software can't find matches so that results in large gaps.

                                Still, it's fun to see the software build something 3d out of pictures.

                                can you share some details?

                                • which cameras used (also, FOV lense specs)
                                • what resolution
                                • size of *.ply files
                                • how long did these take to process
                                • what is you system specification
                                • anything else relevant that you have not previously mentioned...

                                Save the Earth, it's the only planet with chocolate.

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                                • K Offline
                                  kaas
                                  last edited by 31 Jul 2015, 13:05

                                  Hi Juju, here's some answers:

                                  • which cameras used (also, FOV lense specs) -> I tried a Olympus SP600UZ and that worked fine. For the mill I used a 1080p video, made with a Samsung Galaxy S3 - used Blender to convert every 10th frame of the video to a single image.
                                  • what resolution -> 1920x1080
                                  • size of *.ply files -> high quality file was 95MB, low quality was 8.9 MB
                                  • how long did these take to process -> I think it was four hours for both programs
                                  • what is you system specification -> Win 7 X64 - 3.4Ghz (I5 3570) - 8GB - GTX560TI
                                  • anything else relevant that you have not previously mentioned -> its fun. Just try shooting some pictures and feed it into those programs and off you go.

                                  to get you going, maybe have a look at some youtube videos. I don't have the link at the moment but there are some showing these two programs after another.

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                                  • K Offline
                                    Krisidious
                                    last edited by 1 Aug 2015, 05:53

                                    Oh it's a good thing... You're doing just fine. add all you want. It's not my thread... It's community property. I'm loving that you're testing.

                                    By: Kristoff Rand
                                    Home DesignerUnique House Plans

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                                    • JQLJ Offline
                                      JQL
                                      last edited by 9 Nov 2015, 16:16

                                      @kaas said:

                                      Take a video and export every 10th frame as a picture worked fine as well.

                                      What software did you use to do that?

                                      www.casca.pt
                                      Visit us on facebook!

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                                      • K Offline
                                        kaas
                                        last edited by 9 Nov 2015, 16:36

                                        @jql said:

                                        @kaas said:

                                        Take a video and export every 10th frame as a picture worked fine as well.

                                        What software did you use to do that?

                                        I think I used Blender

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                                        • J Offline
                                          juju
                                          last edited by 23 Mar 2016, 11:35

                                          Progress Update!

                                          http://projectvideoscanner.blogspot.co.za/

                                          Save the Earth, it's the only planet with chocolate.

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