Firstly gain the continuously directional image of the fingerprint, secondly design orientation template using the directional image and filter the fingerprint image, lastly obtain the binary image.
先得到指纹图像的连续方向图,再根据此方向图设计方向滤波模板进行滤波,最后得到指纹的二值化图像。
The research of measuring technique of the continuous X-ray absorption coefficient;
连续X射线吸收系数测量技术研究
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