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Structure from Motion

Installing Dependencies

MOSEK

  1. Download here https://mosek.com/downloads. Academic license is available.
  2. Remember to copy place the license file according to MOSEK install instructions.
  3. For Unix/Linux, start MATLAB with LD_LIBRARY_PATH="<mosek_root>/8/tools/platform/linux64x86/bin" matlab. This is done in matlab_start.sh.

VLFEAT

Install instructions: http://www.vlfeat.org/install-matlab.html

Lowe´s SIFT implementation (optional)

Download and unpack http://www.cs.ubc.ca/~lowe/keypoints/siftDemoV4.zip.

Calibration toolbox

Download and unpack http://www.vision.caltech.edu/bouguetj/calib_doc/.

Initiate session

The setup code assumes that the above libs have been placed in a common folder , below referred to as the library path.

For Unix/Linux:

  1. Start matlab with ./start_matlab.sh <absolute library path>.
  2. Run setup.m

Otherwise:

  1. Run setup.m <absolute library path>

Running the example

The example is executed with reconstruct_corner.m and uses data from the folder corner. Settings for the reconstruction are found in corner/reconstr_setup.m.

  1. cd SfM_lib
  2. Run reconstruct_corner.m

Running on your images

  1. Put your images in a folder together with your settings file named reconstr_setup.m. Copy the corner example settings file to use as a template.
  2. Make sure the settings file points correctly to your calibration data.
  3. Run reconstruct_scene <path to data>