一份简单的环视系统制作实现，包含完整的标定、投影、拼接和实时运行流程，详细文档见 doc 目录。
A simple implementation of a surround view system, including complete calibration, projection, stitching, and real-time operation processes, english version documentation can be found in the doc folder.
环视系统的开源代码很少见，希望大家积极提 issue 和 pull request，让这个项目能更好地有益于入门者学习。
The open-source algorithm for surround view systems is not very common, and we hope that everyone can actively raise issues and pull requests to make this project more beneficial for beginners to learn from.