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说明：  卷积神经网络代码的学习，运用mnist数据集(Convolutional neural network code learning)

说明：  Godunov格式和Roe格式求解Burgers方程(Godunov scheme and Roe scheme for solving Burgers equation)

学习opencv.pdf，特别适合初学者学习opencv理论知识，并借助opencv库函数实现图形图像处理以及摄像机标定。(Learning opencv. PDF, and is especially suitable for beginners learning opencv theory knowledge, and with the aid of opencv library function to realize image processing and the camera calibration. )

python分析实时音频的应用程序。带有QT的界面，QWT的波形。能够实时分析，包括频谱，实时波形，电平，瀑布图。

说明：  该程序实现了对网站数据的爬虫以及词云图，各个省份疫情图，中国疫情图和世界疫情图。(The program realizes crawler and word cloud map of website data, epidemic map of each province, epidemic map of China and epidemic map of the world.)

《Python计算机视觉编程》是计算机视觉编程的实践指南，依赖Python语言讲解了基础理论与算法，并通过大量示例细致分析了对象识别、基于内容的图像搜索、光学字符识别、光流法、跟踪、三维重建、立体成像、增强现实、姿态估计、全景创建、图像分割、降噪、图像分组等技术。另外，书中附带的练习还能让读者巩固并学会应用编程知识。

说明：  使用贝叶斯分类器实现的智能拦截垃圾邮件软件。黑白名单，特别关心，功能齐全，含精美UI界面，可换肤。(Intelligent spam interception software using Bayesian classifier)

just compile the program in python and see the clock

利用opencv实现相机的标定，算法采用张正友的棋盘法。结构很清晰易懂。(Opencv camera calibration algorithm using the checkerboard method of Zhang Zhengyou. The structure is clear and easy to understand.)

对哔哩哔哩弹幕进行抽取并完成情感倾向的分析和估计(To extract bilibili barrage and complete the analysis and estimation of emotional tendency)