近几年，传统的人脸识别算法被深度卷积网络所代替。CNN的主要优势就是可以结合庞大的数据集提取出原先所提出不出来的优质feature,与此同时精度也提升了很多。同时CNN的出现也加速了计算机视觉的发展，例如object detection 、recognition、segmentation。

With the burst of a Wanna decryptor [1] in the middle of 2017, secure communication within a network [2] has again triggered the considerable attention. Meanwhile, many feasible methods have been proposed to enhance the data security and it is also

相关论文 Efficient reinforcement learning using recursive least-squares methods. Jounral of AI Research, 2002, 16, 259-292