1. A computational approach to edge detection;Canny;IEEE Transactions on Pattern Analysis and Machine Intelligence,1986
2. Image retrieval system based on color-complexity and color-spatial features;Chan;Journal of Systems and Software,2004
3. Fu, H., Chi, Z., 2003. A two-stage approach for leaf vein extraction. In: Proceedings of International Conference on Neural Networks and Signal Processing (ICNNSP2003), vol. I, Nanjing, Jiangsu, China, December 12–15, 2003, pp. 208–211.
4. Digital Image Processing;Gonzalez,2002
5. Gouveia, F., Filipe, V., Reis, M., Couto, C., Bulas-Cruz, J., 1997. Biometry: the characterisation of chestnut-tree leaves using computer vision. In: Proceedings of the IEEE International Symposium on 7–11 July, vol. 3, pp. 757–760.