根据所给的图像判别各个区域内的人数，最后将各个区域内的人数进行汇总即可得整个车厢内的人数。运用了数字图像处理里的二值化、闭运算、设计了特征提取函数，波谷检测器等-According to the image identification number within each region, and finally the number of each region can be aggregated number of the compartments. The use of digital i