[4] Bessettes V, Desachy J, Lefevre M J. Use of directional variance for urban area analysis on simulated spot 5 images[A]. IEEE International Conference on Geoscience and Remote Sensing Symposium, Proceedings[C]. 2000,7.2890-2892.
[5] Rosenberger C, Chehdi K, Cariou, C, et al. Texture analysis of an image by using a rotation-invariant model[A]. 1999 IEEE International Conference on Acoustics, Speech, and Signal Processing[C]. 1999,6.3289-3292.