9LOVELL J L, JUPP D L B, CULVENOR D S, et al.Using Airborne and Ground-based Ranging Lidar to Measure Canopy Structure in Australian Forests[J]. Can. J.Remote Sensing, 2003, 29, (5):607-622.
10JUPP D L B, STRAHLER A H, WOODCOCK C E.Autocorrelation and Regularization in Digital Images. Ⅱ.Simple Image Models[J]. IEEE Transactions on Geoscience and Remote Sensing, 1989,27: 247-258.
