这种方法能有效地去除传感器表面残留纹印引入的噪声，进一步增强了指纹的脊线和谷线，使指纹文线变得清晰、连续、光滑，改善指纹图像的质量，提高了指纹识别的可靠性-This method can effectively remove the sensor surface prints the introduction of residual noise, further enhancing the fingerprint ridge and v