针对采集到的指纹库中存在指纹过湿，以及存在高频噪声的问题，提出了一种基于小波分析的方向滤波算法。

There exist some wet and high-frequency noise fingerprint in large fingerprint databases. A low quality fingerprint enhanced algorithm was designed in wavelet domain.

youdao

针对采集到的指纹库中存在指纹过湿，以及存在高频噪声的问题，提出了一种基于小波分析的方向滤波算法。

There exist some wet and high-frequency noise fingerprint in large fingerprint databases. A low quality fingerprint enhanced algorithm was designed in wavelet domain.

youdao