In order to enhance the effects of fingerprint image segmentation, spatial distribution model of pixels based on Coherence, Mean and Variance was advaced and analyzed at first.

• 摘要为增强指纹图像分割的效果，首先，基于方向一致性、局部灰度均值和灰度方差指标，提出了像素空间分布并进行了分析；