@article{JuRaRu22,
      title={Consistent Approximation of Interpolating Splines in Image Metamorphosis}, 
      author={Jorge Justiniano and Marko Rajković and Martin Rumpf},
      year={2022},
      volume={42},
      number={1},
      pages={78--106},
      eprint={2108.00731},
      archivePrefix={arXiv},
      journal={J. Math. Imaging Vis.},
      doi ={10.1007/s10851-022-01128-5},
}