Bundler2PMVS error about bundler_sfm HOT 4 CLOSED

Hi,

First, yes, that point cloud looks as expected to me -- it is sparse but
will be much sender once you run PMVS.

Second, you should run the Bundle2PMVS command from root directory of the
dataset -- in this case, examples/kermit.

Hope this helps,
Noah

On Aug 24, 2016 10:10 AM, "Venkataraman Ganesh" [email protected]
wrote:

Hello Noah,

I'm testing Bundler with the kermit sample images. Here's what I have
after running RunBundler on the examples/kermit directory (I am unsure if
this what I'm supposed to be seeing):

[image: selection_004]
https://cloud.githubusercontent.com/assets/7323040/17940016/26e67904-69fb-11e6-9f67-44803a4fc694.png

Next, I ran the Bundler2PMVS utility using:

list.txt in examples/kermit : list.txt
https://github.com/snavely/bundler_sfm/files/435265/list.txt
bundle.out in examples/kermit/bundle.out : bundle.out.txt
https://github.com/snavely/bundler_sfm/files/435268/bundle.out.txt

Here's the terminal output:

[image: selection_003]
https://cloud.githubusercontent.com/assets/7323040/17940083/738226aa-69fb-11e6-83e3-bc4257125852.png

I'd appreciate any help in solving this issue.. thanks!

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That certainly helped.. Thanks Noah!

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@snavely

Hi Noah,
I want to use the Bundler2PMVS utility to transform a bundleFile which I provide (not generated by Bundler). In a bundle file generated by Bundler, do the rotations and translations represent a transformation from world frame to camera frame or vice-versa?

Although this question isn't entirely related to the original issue, I wasn't sure if this merited opening a new issue so I thought I'd post here. Thanks!

from bundler_sfm.

The rotations and translations represent a transformation from world frame
to camera. I.e., to project a point x in world coordinates into a camera,
you would do R * x + t (followed by the perspective projection). See the
Bundler Output Format description here:
https://github.com/snavely/bundler_sfm#output-format

Noah

On Thu, Sep 22, 2016 at 1:08 PM Venkat Ganesh [email protected]
wrote:

@snavely https://github.com/snavely

Hi Noah,
I want to use the Bundler2PMVS utility to transform a bundleFile which I
provide (not generated by Bundler). In a bundle file generated by Bundler,
do the rotations and translations represent a transformation from world
frame to camera frame or vice-versa?

I wasn't sure if this merited opening a new issue so I thought I'd post
here. Thanks!

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Noah Snavely
Associate Professor Email: [email protected]
Dept. of Computer Science Phone: (607) 255 4280
Cornell University URL : www.cs.cornell.edu/~snavely
307 Gates Hall

Ithaca, NY 14853

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