说明：  学习opencv（中文版）于仕琪、刘瑞祯 清华大学出版社。 opencv是一个开源的计算机视觉库，它为图像处理、模式识别、三维重建、物体跟踪、机械学习和线性代数提供了各种各样的算法
(Learning opencv ( Chinese Version) Shi Qi , Rui Zhen , Tsinghua University Press . opencv is an open source computer vision library for image processing , pattern recognition, 3D reconstruction , object tracking , machine learning and linear algebra offers a variety of algorithms )