In addition, a novel attribute, the number of ridges between minutiae and the fiducial point, is introduced and it is invariant to transition, rotation and nonlinear distortion.

• 在指纹匹配阶段引入一个新的属性,即细节点到基准点之间的纹线切割数目,该属性对指纹的平移和旋转以及非线性形变具有不变性。