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Texture Optimization

Implementation of "Texture Optimization for Example-based Synthesis" by Vivek Kwatra et al.

The output images are generated on 50 iterations.

Radishes input

Radishes output

Try it

You can generate a single image:

cmake . && make && ./DisplayImage input/ztext.bmp

Or all of them

./test.sh

Not done

  • the authors use a memory efficient kd-tree: they only record the position of the source and recover more info as needed.
  • we should compute the kdtree only once per scale level, but I ran into odd segfaults errors as I tried...
  • we don't compute origin patches for pixels on the edges. Nothing being done, it's very messy... We should get rid of those edge issues with some padding.
  • we should remove the OpenNL dependency: our energy minimization consists only of weighted averages...

Comparaison with original paper

  • This implementation searches for similar patches using color information, not just intensity information.
  • Performance needs some tuning: long-distance repetitive structures are not as nicely captured as in the paper. Tuning the initial scale should be enough to fix this.
  • Flow-controled synthesis is not covered.

Dependencies