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Credits

All photographs are openly licensed images from Wikimedia Commons (public domain, CC0, CC BY, CC BY-SA). Figures and renders made from them are derivative works shared under the same licences.

Sample photos (data/samples/)

Resized copies (longest side 1000 px) bundled with the repository.

file author licence source
woman_smiling.jpg Ralf Roletschek (talk) - Infos über Fahrräder auf fahrradmonteur.de CC BY-SA 3.0 de Commons
elderly_man_bw.jpg ThuyHaBich CC0 Commons
girl_bw.jpg Moheen Reeyad CC BY-SA 4.0 Commons
athlete_dark_bg.jpg Sandro Halank, Wikimedia Commons CC BY-SA 4.0 Commons
boy_yellow_shirt.jpg CEphoto, Uwe Aranas CC BY-SA 3.0 Commons
child_monk_orange.jpg Basile Morin CC BY-SA 4.0 Commons
border_collie.jpg Kreuzschnabel CC BY-SA 3.0 Commons
lighthouse.jpg Renée Kools CC BY 4.0 Commons

Evaluation set (30 images)

h02–h04 are synthetic exposure variants of f07.

id author licence source
f01_man_glasses_studio Ralf Roletschek CC BY 3.0 Commons
f02_elderly_bearded_outdoor Acabashi CC BY-SA 4.0 Commons
f03_bald_man_smiling Steffen Prößdorf CC BY-SA 3.0 de Commons
f04_bearded_man_colourful_bg Acabashi CC BY-SA 4.0 Commons
f05_athlete_dark_bg Sandro Halank, Wikimedia Commons CC BY-SA 4.0 Commons
f06_historic_bw_small_face Mathew Benjamin Brady Public domain Commons
f07_woman_smiling_closeup Ralf Roletschek (talk) - Infos über Fahrräder auf fahrradmonteur.de CC BY-SA 3.0 de Commons
f08_woman_tilted_head Ralf Roletschek (talk) - Infos über Fahrräder auf fahrradmonteur.de CC BY-SA 3.0 de Commons
f09_young_woman_three_quarter Ralf Roletschek CC BY-SA 3.0 de Commons
f10_older_woman_glasses Ralf Roletschek CC BY-SA 3.0 at Commons
f11_woman_dark_bg Ralf Roletschek CC BY-SA 3.0 at Commons
f12_child_thanaka Jakub Hałun CC BY-SA 4.0 Commons
f13_girl_bw_smiling Moheen Reeyad CC BY-SA 4.0 Commons
f14_boy_smiling_outdoor CEphoto, Uwe Aranas CC BY-SA 3.0 Commons
f15_child_monk_small_face Basile Morin CC BY-SA 4.0 Commons
f16_elderly_man_pipe_bw ThuyHaBich CC0 Commons
f17_man_beard_scrubs Alberto Giuliani CC BY-SA 4.0 Commons
h01_face_covered Alfred Weidinger from Vienna, Austria CC BY 2.0 Commons
h02_underexposed Ralf Roletschek (talk) - Infos über Fahrräder auf fahrradmonteur.de CC BY-SA 3.0 de Commons
h03_low_contrast Ralf Roletschek (talk) - Infos über Fahrräder auf fahrradmonteur.de CC BY-SA 3.0 de Commons
h04_washed_out Ralf Roletschek (talk) - Infos über Fahrräder auf fahrradmonteur.de CC BY-SA 3.0 de Commons
a01_dog_fluffy Jakub Hałun CC BY-SA 4.0 Commons
a02_airedale Amélie Tsaag Valren CC BY-SA 4.0 Commons
a03_border_collie Kreuzschnabel CC BY-SA 3.0 Commons
a04_cat_black_white Aqwis CC BY-SA 3.0 Commons
a05_cat_grey_lowkey Stephanemartin CC BY-SA 3.0 Commons
a06_cat_tabby Lucarelli CC BY-SA 3.0 Commons
a07_cat_closeup Dario Crespi CC BY-SA 4.0 Commons
o01_lighthouse_striped Renée Kools CC BY 4.0 Commons
o02_lighthouse_white Steffen Schmitz (more photos) CC BY-SA 4.0 Commons

Held-out set

Chosen by a fixed rule (see the M8 milestone); *_fault images are synthetic exposure faults of held-out faces.

id author licence source
x01_face Benoît Prieur CC0 Commons
x02_face Tadeáš Bednarz CC BY-SA 4.0 Commons
x03_face Clément Bucco-Lechat CC BY-SA 3.0 Commons
x04_face CEphoto, Uwe Aranas CC BY-SA 3.0 Commons
x05_face Eckhard Henkel CC BY-SA 3.0 de Commons
x06_face Eckhard Henkel CC BY-SA 3.0 de Commons
x07_face Ralf Roletschek (talk) - Fahrradtechnik auf fahrradmonteur.de CC BY-SA 3.0 de Commons
x08_face Ralf Roletschek (talk) - Fahrradtechnik auf fahrradmonteur.de CC BY-SA 3.0 de Commons
x09_animal Basile Morin CC BY-SA 4.0 Commons
x10_animal Basile Morin CC BY-SA 4.0 Commons
x11_animal Clément Bucco-Lechat CC BY-SA 3.0 Commons
x12_animal Clément Bucco-Lechat CC BY-SA 3.0 Commons
x13_fault Benoît Prieur CC0 Commons
x14_fault Tadeáš Bednarz CC BY-SA 4.0 Commons
x15_fault Clément Bucco-Lechat CC BY-SA 3.0 Commons
x16_fault Benoît Prieur CC0 Commons
x17_fault Tadeáš Bednarz CC BY-SA 4.0 Commons
x18_fault Clément Bucco-Lechat CC BY-SA 3.0 Commons

Software and models

  • OpenCV (YuNet face detector, LBF facemark, saliency, CLAHE, GrabCut)
  • YuNet model from opencv_zoo; LBF model from kurnianggoro/GSOC2017
  • numpy, numba, scipy, scikit-image, matplotlib, Gradio, MkDocs Material