Penacchio, Olivier Lovell, Gneorge M. Harris, Julie data_horizontal_leaves.txt from Is countershading camouflage robust to lighting change due to weather? Data file for the bird experiment;data file for the human experiment visual search;search efficiency;shape-from-shading;visual camouflage;countershading;foraging 2018-01-25
    https://rs.figshare.com/articles/dataset/data_horizontal_leaves_txt_from_Is_countershading_camouflage_robust_to_lighting_change_due_to_weather_/5821536
10.6084/m9.figshare.5821536.v1