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Shading constraint improves accuracy of time-of-flight measurements

A naïve implementation of the "Shading constraint improves accuracy of time-of-flight measurements" paper by Martin Böhme. [1] [2]
The goal of this project was just to gain some practical experience of this method.
The original code used the non-linear conjugate gradient solver from the book "Numerical Recipes". In order to prevent any possible copyright infringements I quickly modified this version so that it uses the non-linear conjugate gradient method of OpenCV. It seems to be a lot slower than the original code...

More details about this implementation can be found at http://tvdz.be/2015/06/improving-time-of-flight-measurements-with-the-shading-constraint/.

Dependencies

The following dependencies are needed.
The version numbers are the ones used during development.

The code was developed on a Windows machine with Visual Studio 2015.

References

[1] Böhme, Martin, et al. “Shading constraint improves accuracy of time-of-flight measurements.” Computer Vision and Pattern Recognition Workshops, 2008. CVPRW’08. IEEE Computer Society Conference on. IEEE, 2008.

[2] Böhme, Martin, et al. “Shading constraint improves accuracy of time-of-flight measurements.” Computer vision and image understanding 114.12 (2010): 1329-1335.

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A naïve implementation of the "Shading constraint improves accuracy of time-of-flight measurements" paper by Martin Böhme.

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