fingerprint identification短语¹⁰⁶¹⁰⁰⁺⁵ 基本例句 指纹识别 案件调查 The orientation image is a method for describing orientation information. The accuracy of orientation image determines the performance of the algorithm in automatic digital fingerprint identification. 方向图是方向信息的表示方法，方向图的准确性决定了自动识别过程中各种算法的效果。 ceaj.org