code_001 | [图片读取与显示](python/code_001/opencv_001.py) | ✔️ code_002 | [图片灰度化](python/code_002/opencv_002.py) | ✔️ code_003 | [图像创建与赋值](python/code_003/opencv_003.py) | ✔️ code_004 | [图像像素读写](python/code_004/opencv_004.py) | ✔️ code_005 | [图像像素算术操作(加减乘

opencv--检测图片中的圆,canny边缘检测+霍夫圆识别图片中的圆，代码与博客中的程序一致