Yuhi Matsuo Naofumi Akimoto Yoshimitsu Aoki Document Shadow Removal with Foreground Detection Learning From Fully Synthetic Images. 1656-1660 2022 ICIP https://doi.org/10.1109/ICIP46576.2022.9897217 conf/icip/2022 db/conf/icip/icip2022.html#MatsuoAA22