[6]Kehtarnavaz N. Color image segmentation using multi-scale clustering [A]. In: Proceedings of the IEEE Southwest Symposium on Image Analysis and Interpretation Image Analysis and Interpretation[C]. Tucson, USA, 1998,2: 142~147.
[10]Shen Y, Shi H. Improvement and optimization of a fuzzy Cmeans clustering algorithm [A]. In: Proceedings of the IEEE Instrumentation and Measurement Technology Conference[C].Budapest, Harngarg, 2001,3:1430~ 1433.
[8]Connolly C. A study of efficiency and accuracy in the transformation from RGB to CIELAB color space [J]. IEEE Transactions on Image Processing, 1997, 6(7):1046~1048.
[10]
[9]Seong Whan. Direct extraction of topographic features for gray scale character recognition [J]. IEEE Transactions on Pattern Analysis and Machine Intelligence, 1995,17 (7): 724 ~ 729.