1Tang H,Wu E X,Ma Q Y. MRI brain image segmentation by multi-resolution edge detection and region selection[J].Computer ized Medical Imaging and Graphics,2000,(06):349-357.
2Bhabatosh Chanda,Malay K Kundu,Y Vani Padmaja. A multi-scale morpho-logic edge detector[J].Pat ern Recognition,1998,(10):1469-1478.