To cite package ‘odiffr’ in publications use:

  Wolstenholme B (2025). _odiffr: Fast Pixel-by-Pixel Image Comparison
  Using 'odiff'_. R package version 0.5.1,
  <https://github.com/benwolst/odiffr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {odiffr: Fast Pixel-by-Pixel Image Comparison Using 'odiff'},
    author = {Ben Wolstenholme},
    year = {2025},
    note = {R package version 0.5.1},
    url = {https://github.com/benwolst/odiffr},
  }