Wave Direction Estimation Based on Local Gradient Techniques from Satellite Imagery for Coastal Dynamics Monitoring. - Woramet Simrum; Paweena Kanokhong; Chakapat Chokchaisiri; Somrudee Deepaisarn; Kittipisut Chansri; Chanyut Lisawat; Waranrach Viriyavit; Akkharawoot Takhom; Phutphalla Kong; Didin Agustian Permadi; Sharifah Hafizah Syed Ariffin; Surasak Boonkla; et al. (APSIPA, 2025)