Keep in mind that recompiling to gain performance enhancements may compromise binary compatibility on some environments.
记住，重新编译以获得性能改进可能会损害二进制文件在某些环境中的兼容性。
It is important to keep in mind that recompiling to gain performance enhancements may compromise binary compatibility on some environments.
重要的是要紧记：通过重新编译来获得性能提升可能会影响某些环境中的二进制兼容性。
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。
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