Automated Individual Tree Isolation on High-Resolution Imagery: Possible Methods for Breaking Isolations Involving Multiple Trees. - Donald G. Leckie; Nicholas Walsworth; François A. Gougeon; Stephen Gray; David Johnson; Laura Johnson; Kathleen Oddleifson; Derrick Plotsky; Victoria Rogers (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2016)