Jan Wijffels [aut, cre, cph],
  BNOSAC [cph],
  Vincent Maioli [ctb, cph],
  IPOL Image Processing On Line [cph]

Jan Wijffels [aut, cre, cph] (R wrapper),
  BNOSAC [cph] (R wrapper),
  Rafael Grompone von Gioi [ctb, cph] (src/smooth_contours),
  Gregory Randall [ctb, cph] (src/smooth_contours),
  Niccolò Marchi [ctb]

Jan Wijffels [aut, cre, cph],
  BNOSAC [cph],
  Julien Cayzac [ctb, cph]

Jan Wijffels [aut, cre, cph] (R wrapper),
  BNOSAC [cph] (R wrapper),
  Javier Sánchez Pérez [ctb, cph] (Harris Corner Detector C/C++ code),
  Pascal Getreuer [ctb, cph] (src/gaussian.cpp)

Jan Wijffels [aut, cre, cph] (R wrapper),
  BNOSAC [cph] (R wrapper),
  Shiqi Yu [ctb, cph] (libfacedetection C++ code)

Jan Wijffels [aut, cre, cph] (R wrapper),
  BNOSAC [cph] (R wrapper),
  Rafael Grompone von Gioi [ctb, cph] (src/lsd)

Jan Wijffels [aut, cre, cph] (R wrapper),
  BNOSAC [cph] (R wrapper),
  Juan Pablo Balarini [ctb, cph] (Otsu C++ code),
  Sergio Nesmachnow [ctb, cph] (Otsu C++ code)

P.-O. Caron [aut, cre, cph] (ORCID:
    <https://orcid.org/0000-0001-6346-5583>),
  Alexandre Dufresne [aut, cph]

Stefan Mayer [aut, cre] (ORCID:
    <https://orcid.org/0000-0003-0034-7090>)

Simon Barthelme [aut],
  David Tschumperle [ctb],
  Jan Wijffels [ctb],
  Haz Edine Assemlal [ctb],
  Shota Ochi [ctb],
  Aaron Robotham [cre],
  Rodrigo Tobar [ctb]

Shota Ochi [aut, cre],
  Guoshen Yu [ctb, cph],
  Guillermo Sapiro [ctb, cph],
  Catalina Sbert [ctb, cph],
  Image Processing On Line [cph],
  Pascal Getreuer [ctb, cph]

Duccio Rocchini [aut],
  Ludovico Chieffallo [aut, cre],
  Giovanni Andrea Nocera [ctb],
  Giacomo Panza [ctb],
  Michele Torresani [aut],
  Elisa Thouverai [aut]

Juergen Niedballa [aut, cre] (ORCID:
    <https://orcid.org/0000-0002-9187-2116>),
  Jan Axtner [aut] (ORCID: <https://orcid.org/0000-0003-1269-5586>),
  Leibniz Institute for Zoo and Wildlife Research [cph]

Iakov Pustilnik [aut, cre],
  Denis Rastegaev [aut]

Rafael Nieves-Alvarez [aut, cre] (ORCID:
    <https://orcid.org/0009-0002-8016-1412>),
  Arturo Sanchez-Porras [aut, cph] (ORCID:
    <https://orcid.org/0000-0002-1691-286X>),
  Aline Romero-Natale [aut] (ORCID:
    <https://orcid.org/0000-0003-4267-1913>),
  Otilio Arturo Acevedo-Sandoval [aut] (ORCID:
    <https://orcid.org/0000-0003-0475-7003>)