Oil Palm Counting and Age Estimation from WorldView-3 Imagery and LiDAR Data Using an Integrated OBIA Height Model and Regression Analysis. - Hossein Mojaddadi Rizeei; Helmi Zulhaidi Mohd Shafri; Mohamed Ali Mohamoud; Biswajeet Pradhan; Bahareh Kalantar (J. Sensors, 2018)