A new technology of positioning and dividing up is proposed in this paper.The technology is mainly related to such works as follows: border tracing of palmprint image;fitting the inner border of the little finger and the ring finger by using the straight-line;computing the bisector of the two straight-lines;and final establishment of the palmprint positioning and segmentation coordinate system and dividing up of the target area being interested in.The result of the experiment confirms the validity of this m...