If data cannot be downloaded (git sometimes has some bugs for large and many files), download it from here: https://northwestern.box.com/s/jr3tflvt952v634uddouitnhcjjbwx68
The original data comes from here: https://www.eecs.yorku.ca/~abuolaim/eccv_2018_autofocus/dataset.html A big thanks to the original authors for providing these data online.