To cite package ‘pixelclasser’ in publications use:

  Real C (2024). _pixelclasser: Classifies Image Pixels by Colour_. R
  package version 1.0.0, <https://github.com/ropensci/pixelclasser>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {pixelclasser: Classifies Image Pixels by Colour},
    author = {Carlos Real},
    year = {2024},
    note = {R package version 1.0.0},
    url = {https://github.com/ropensci/pixelclasser},
  }