Detection method for Convallaria keiskei colonies in Hokkaido, Japan, by combining CNN and FCM using UAV-based remote sensing data. - Hikaru Shirai; Yoichi Kageyama; Daisuke Nagamoto; Yuki Kanamori; Naoki Tokunaga; Teruo Kojima; Masae Akisawa (Ecol. Informatics, 2022)