On the back part of the touch is not bad, matte stained fingerprintprocessing is not easy.
论触摸后部还不错，亚光彩色指纹处理是不容易的。
2
This paper presents an algorithm which directly computes the direction image on the gray level images. Experimental results show that it is feasible for fingerprintprocessing.
该文介绍了一种直接利用指纹灰度信息进行指纹图像方向图计算的方法，实验结果表明，它是行之有效的。
3
Its application to the processing of fingerprint images proves its validity.