[OpenDroneMap-users] Fwd: OpenDroneMap-users Digest, Vol 2, Issue 33
Chris House
housec01 at gmail.com
Sun Mar 29 14:20:50 PDT 2015
Per Dennis response I also was able to use
../OpenDroneMap/run.pl --odm_georeferencing-useGcp "false"
and get the stitched image. However there isn't any georeference
information. How do I use this in QGIS with my other data? Do I have to
manual georeference or did I do something wrong...again?
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From: <opendronemap-users-request at lists.osgeo.org>
Date: Mar 29, 2015 5:01 PM
Subject: OpenDroneMap-users Digest, Vol 2, Issue 33
To: <opendronemap-users at lists.osgeo.org>
Cc:
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> 1. Re: OpenDroneMap-users Digest, Vol 2, Issue 30 (Aquila Imaging)
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> Message: 1
> Date: Sun, 29 Mar 2015 14:01:36 -0700
> From: Aquila Imaging <aquilaimaging at gmail.com>
> To: opendronemap-users at lists.osgeo.org
> Subject: Re: [OpenDroneMap-users] OpenDroneMap-users Digest, Vol 2,
> Issue 30
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> Hello all,
>
> I used the following from Dennis w/ success:
>
> ../OpenDroneMap/run.pl --odm_georeferencing-useGcp "false"
>
> That will start everything from the beginning. A better way may be to do
> this which should start you from the georeferencing step:
>
> ../OpenDroneMap/run.pl --start-with "odm_georeferencing"
> --odm_georeferencing-useGcp "false"
>
> Thanks for the clarification!
>
> Regards,
> Justin
>
> On Thu, Mar 26, 2015 at 11:52 AM, <
> opendronemap-users-request at lists.osgeo.org> wrote:
>
> > Send OpenDroneMap-users mailing list submissions to
> > opendronemap-users at lists.osgeo.org
> >
> > To subscribe or unsubscribe via the World Wide Web, visit
> >
> http://lists.osgeo.org/cgi-bin/mailman/listinfo/opendronemap-users
> > or, via email, send a message with subject or body 'help' to
> > opendronemap-users-request at lists.osgeo.org
> >
> > You can reach the person managing the list at
> > opendronemap-users-owner at lists.osgeo.org
> >
> > When replying, please edit your Subject line so it is more specific
> > than "Re: Contents of OpenDroneMap-users digest..."
> >
> >
> > Today's Topics:
> >
> > 1. step by step using sensefly swinglet (Chris)
> > 2. Re: Orthophoto without georeferencing (Stephen Mather)
> > 3. Re: step by step using sensefly swinglet (Dennis Baldwin)
> > 4. Georef (Bruno Oliveira)
> > 5. OpenDroneMap optimization questions (En Li)
> > 6. Re: OpenDroneMap optimization questions (Dennis Baldwin)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Wed, 25 Mar 2015 16:00:52 -0400
> > From: Chris <housec01 at gmail.com>
> > To: opendronemap-users at lists.osgeo.org
> > Subject: [OpenDroneMap-users] step by step using sensefly swinglet
> > Message-ID: <551313F4.7090703 at gmail.com>
> > Content-Type: text/plain; charset=utf-8; format=flowed
> >
> > Hi All,
> >
> > On Smathermather's Weblog there is an example shown of a mesh output and
> > orthophoto using the sensefly swinglet cam to collect the imagery. Does
> > anyone have the step by step to get the orthophoto? I was able to return
> > a textured mesh but it eventually errored out with "error 256" That is
> > related to the gcp file but i was under the impression if xy data was in
> > the header file it would use that. Any help/direction would be
> > appreciated! My imagery was collected using swinglet cam as well.
> >
> > Thanks and awesome product!!
> >
> > Chris
> >
> >
> > ------------------------------
> >
> > Message: 2
> > Date: Wed, 25 Mar 2015 22:38:30 -0400
> > From: Stephen Mather <stephen at smathermather.com>
> > To: Rimvydas <naktinis at gmail.com>
> > Cc: opendronemap-users <opendronemap-users at lists.osgeo.org>
> > Subject: Re: [OpenDroneMap-users] Orthophoto without georeferencing
> > Message-ID:
> > <
> > CAPkJWLUL6yeB+1oYMD17efyPFbcV6acXCtvSnFgpKwBm_a7v8A at mail.gmail.com>
> > Content-Type: text/plain; charset="utf-8"
> >
> > Ah, yes I see what you mean. Photoscan, as far as I know, only does this
> > because you have a 3D model that you can orient and basically declare
> your
> > Z axis, which is a clever approach. That means that Photoscan actually
> > gives you an orthophoto.
> >
> > Hugin is just stitching and blending, as I understand it. I know Alex
> > Mandel and Michelle Tobias have a lot of experience with Hugin... . No
> > point in ODM recreating that functionality, I think (though willing to be
> > proven wrong) although plenty of reason to integrate that wonderful
> > multiscalar blending algorithm... .
> >
> > Cheers,
> > Best,
> > Steve
> >
> >
> >
> > On Wed, Mar 25, 2015 at 10:30 AM, Rimvydas <naktinis at gmail.com> wrote:
> >
> > > OK, I get what you mean. Maybe "orthophoto" is not the right word in my
> > > question. What I actually expect in my case is simply a mosaic image
> > > without any reference to real dimensions or location (something like
> what
> > > Hugin or PhotoScan can produce).
> > >
> > > On Wed, Mar 25, 2015 at 2:25 PM, Stephen Mather <
> > stephen at smathermather.com
> > > > wrote:
> > >
> > >> Hi Rimvydas,
> > >>
> > >> What georeferencing info adds is knowledge of where the Z axis is.
> > >> Without that knowledge, AFAIK, there's no real way to create an ortho
> > from
> > >> the mesh.
> > >>
> > >> Best,
> > >> Steve
> > >> On Mar 25, 2015 9:55 AM, "Rimvydas" <naktinis at gmail.com> wrote:
> > >>
> > >>> I've noticed that currently odm_orthophoto is only run after
> > >>> odm_georeferencing, so if the image set does not have any
> > georeferencing
> > >>> information, it seems to be impossible to produce a stitched
> orthophoto
> > >>> with ODM alone.
> > >>>
> > >>> As it is possible to produce a mesh without georeferencing
> information
> > >>> (via keypoint matching), it should in theory be possible to produce
> an
> > >>> orthophoto mosaic as well. Does anyone know if this would be possible
> > with
> > >>> the current version of ODM (maybe with slight modifications)?
> > >>>
> > >>> Maybe I should write to the dev mailing list instead?
> > >>>
> > >>> Best regards,
> > >>> Rimvydas
> > >>>
> > >>> _______________________________________________
> > >>> OpenDroneMap-users mailing list
> > >>> OpenDroneMap-users at lists.osgeo.org
> > >>> http://lists.osgeo.org/cgi-bin/mailman/listinfo/opendronemap-users
> > >>>
> > >>>
> > >
> > >
> > > --
> > > Rimvydas
> > >
> > -------------- next part --------------
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> >
> > ------------------------------
> >
> > Message: 3
> > Date: Thu, 26 Mar 2015 09:17:48 -0500
> > From: Dennis Baldwin <db at unmannedairlines.com>
> > To: Chris <housec01 at gmail.com>
> > Cc: opendronemap-users at lists.osgeo.org
> > Subject: Re: [OpenDroneMap-users] step by step using sensefly swinglet
> > Message-ID:
> > <CAE_jkWt0NRnviq7NJgtQ4rRXVmRZHsPLJBWm=
> > bcaNtRP9WdM2Q at mail.gmail.com>
> > Content-Type: text/plain; charset="utf-8"
> >
> > Chris,
> >
> > Check out the runtime parameters here:
> >
> > https://github.com/OpenDroneMap/OpenDroneMap/wiki/Run-Time--Parameters
> >
> > If you scroll down you'll see a reference to --odm_georeferencing-useGcp
> > which defaults to "true". You can see it here in the run script as well:
> >
> > https://github.com/OpenDroneMap/OpenDroneMap/blob/gh-pages/run.pl#L107
> >
> > Looking at this line of code you'll see that when you set the value to
> > "false" this line gets executed:
> >
> > https://github.com/OpenDroneMap/OpenDroneMap/blob/gh-pages/run.pl#L781
> >
> > That should extract the GPS info from your images and place them
> > in odm_georeferencing/coordFile.txt. So my suggestion would be to run
> your
> > project again like this:
> >
> > ../OpenDroneMap/run.pl --odm_georeferencing-useGcp "false"
> >
> > That will start everything from the beginning. A better way may be to do
> > this which should start you from the georeferencing step:
> >
> > ../OpenDroneMap/run.pl --start-with "odm_georeferencing"
> > --odm_georeferencing-useGcp "false"
> >
> > Good luck and let us know how you get along.
> >
> > Dennis
> >
> >
> >
> >
> > On Wed, Mar 25, 2015 at 3:00 PM, Chris <housec01 at gmail.com> wrote:
> >
> > > Hi All,
> > >
> > > On Smathermather's Weblog there is an example shown of a mesh output
> and
> > > orthophoto using the sensefly swinglet cam to collect the imagery.
> Does
> > > anyone have the step by step to get the orthophoto? I was able to
> return
> > a
> > > textured mesh but it eventually errored out with "error 256" That is
> > > related to the gcp file but i was under the impression if xy data was
> in
> > > the header file it would use that. Any help/direction would be
> > > appreciated! My imagery was collected using swinglet cam as well.
> > >
> > > Thanks and awesome product!!
> > >
> > > Chris
> > > _______________________________________________
> > > OpenDroneMap-users mailing list
> > > OpenDroneMap-users at lists.osgeo.org
> > > http://lists.osgeo.org/cgi-bin/mailman/listinfo/opendronemap-users
> > >
> > -------------- next part --------------
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> > >
> >
> > ------------------------------
> >
> > Message: 4
> > Date: Thu, 26 Mar 2015 15:20:47 +0000
> > From: Bruno Oliveira <bruno.manata.oliveira at gmail.com>
> > To: opendronemap-users <opendronemap-users at lists.osgeo.org>,
> > opendronemap-dev at lists.osgeo.org
> > Subject: [OpenDroneMap-users] Georef
> > Message-ID:
> > <
> > CAO-SbStQrcPTj4M+Vd-ctg8wqdK+ViPaNr8mu6fdsZwp1ymvWQ at mail.gmail.com>
> > Content-Type: text/plain; charset="utf-8"
> >
> > Hello,
> >
> > I have been digging on the Georef code and found this, after the Bundler
> > file parsing, and creating a pose matrix (concatenating the Bundler's R
> and
> > t matrices,
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > * pose = pose.inverse(); // Column negation pose(0,2) =
> > -1.0*pose(0,2); pose(1,2) = -1.0*pose(1,2); pose(2,2) =
> > -1.0*pose(2,2); pose(0,1) = -1.0*pose(0,1); pose(1,1) =
> > -1.0*pose(1,1); pose(2,1) = -1.0*pose(2,1); if (pose_ != NULL)
> > { delete pose_; pose_ = NULL; } pose_ = new
> > Eigen::Affine3f(pose); rot = transform.matrix().topLeftCorner<3,3>();
> > // Calculate translation according to -R't and store in vector. t
> =
> > -rot.transpose()*t; transform(0,3) = t(0); transform(1,3) =
> > t(1); transform(2,3) = t(2);*
> >
> > Why would you estimate inverse pose, do the "column negation" and after
> > that do the *t = -rot.transpose()*t; *(This is actually documented in
> the
> > bundler file, what I dont' understand is why would you invert the
> original
> > pose matrix and do the "column negation")
> > -------------- next part --------------
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> > >
> >
> > ------------------------------
> >
> > Message: 5
> > Date: Thu, 26 Mar 2015 12:00:31 -0400
> > From: En Li <enli at umich.edu>
> > To: opendronemap-users at lists.osgeo.org
> > Cc: Javier Jimenez Serrano <javierji at umich.edu>, Danning Sun
> > <danning at umich.edu>
> > Subject: [OpenDroneMap-users] OpenDroneMap optimization questions
> > Message-ID:
> > <CAOsGJwk2Tmbt10fhvO+aSS5KhF=
> > KjpBeFtGf38pB8tXEoTiXLQ at mail.gmail.com>
> > Content-Type: text/plain; charset="utf-8"
> >
> > Hey Guys:
> > I hope you are all doing well! My name is David Li, I am computer science
> > major from the University of Michigan. First I want to thank you all for
> > your contribution to this project. Currently, my team and I are trying to
> > enable a drone to fly over the crops of mid to large farm owners to
> > accomplish crop surveillance for them. We tried the opendronemap on VM.
> We
> > tried to run ODM with around 70 photos and it took more than an hour to
> > finish. While we are impressed by the quality of the resulting picture,
> our
> > sponsor has pointed out the image processing process was a little too
> long.
> > We were wondering if there are ways we could reduce this time so we are
> > closer to our sponsor's requirement. Any help would be wonderful! Thank
> > you so much!
> >
> > En Li
> > -------------- next part --------------
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> > >
> >
> > ------------------------------
> >
> > Message: 6
> > Date: Thu, 26 Mar 2015 13:52:58 -0500
> > From: Dennis Baldwin <db at unmannedairlines.com>
> > To: En Li <enli at umich.edu>
> > Cc: Javier Jimenez Serrano <javierji at umich.edu>,
> > opendronemap-users at lists.osgeo.org, Danning Sun <
> danning at umich.edu
> > >
> > Subject: Re: [OpenDroneMap-users] OpenDroneMap optimization questions
> > Message-ID:
> > <CAE_jkWtJFJ-3H2u_2Qw4z3C-hUQFx=
> > t7Uktnmd8iKOP19SW3bg at mail.gmail.com>
> > Content-Type: text/plain; charset="utf-8"
> >
> > What are your current VM specs and what is your sponsor's requirement
> > regarding processing speed? I have a sample set of about 90 images that I
> > use to test the latest ODM updates and it takes me a little over an hour
> on
> > an 8 GB Ubuntu 64 bit VM running on Amazon.
> >
> > On Thu, Mar 26, 2015 at 11:00 AM, En Li <enli at umich.edu> wrote:
> >
> > > Hey Guys:
> > > I hope you are all doing well! My name is David Li, I am computer
> science
> > > major from the University of Michigan. First I want to thank you all
> for
> > > your contribution to this project. Currently, my team and I are trying
> to
> > > enable a drone to fly over the crops of mid to large farm owners to
> > > accomplish crop surveillance for them. We tried the opendronemap on VM.
> > We
> > > tried to run ODM with around 70 photos and it took more than an hour to
> > > finish. While we are impressed by the quality of the resulting picture,
> > our
> > > sponsor has pointed out the image processing process was a little too
> > long.
> > > We were wondering if there are ways we could reduce this time so we are
> > > closer to our sponsor's requirement. Any help would be wonderful!
> Thank
> > > you so much!
> > >
> > > En Li
> > >
> > > _______________________________________________
> > > OpenDroneMap-users mailing list
> > > OpenDroneMap-users at lists.osgeo.org
> > > http://lists.osgeo.org/cgi-bin/mailman/listinfo/opendronemap-users
> > >
> > >
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> >
> > ------------------------------
> >
> > _______________________________________________
> > OpenDroneMap-users mailing list
> > OpenDroneMap-users at lists.osgeo.org
> > http://lists.osgeo.org/cgi-bin/mailman/listinfo/opendronemap-users
> >
> >
> > End of OpenDroneMap-users Digest, Vol 2, Issue 30
> > *************************************************
> >
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