Texture as the basis for individual tree identification. - Ashok Samal; James R. Brandle; Dongsheng Zhang (Inf. Sci., 2006)

A Method for Estimating Fractal Dimension of Tree Crowns from Digital Images. - Dongsheng Zhang; Ashok Samal; James R. Brandle (Int. J. Pattern Recognit. Artif. Intell., 2007)