从原始彩色图像中提取多阈值器官梯度图、双阈值肤色图、梯度方向图和灰度特征图等四种特征图像,并运用多姿态 知识模型和多姿态模板,实现了一种快速人脸检测算法 -Extracted from the original color image gradient map organ multi-threshold, dual-threshold color map and gray gradient patterns and other characteristics of the four