在YCbCr色彩空间中建立肤色分布的高斯模型,得到肤色概率似然图像,在最佳动态阈值选取算法下完成肤色区域的分割。-YCbCr color space to establish the color distribution of the Gaussian model, color probability likelihood image, skin color region segmentation is completed in the best dynamic threshold select