A Semi-supervised approach to cluster symptomatic and asymptomatic leaves in root lesion nematode infected walnut trees. - Ryan Omidi; Alireza Pourreza; Ali Moghimi; German Zuniga-Ramirez; Hamid Jafarbiglu; ZinThuZar Maung; Andreas Westphal (Comput. Electron. Agric., 2022)