An estimation method of fingerprint ridge distance based on ridge orientationprojection signal spectrum analysis is proposed to overcome some shortages in the present literatures.
提出了一种基于纹线方向投影信号谱分析的指纹纹线间距估计方法。
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An dynamic projective method of series alternate projection system is studied in this paper. Using dynamic sight point of common locus and orientation with dynamic view.