This repository contains a small Python application for interactive HSV tuning with OpenCV. It is designed for computer vision prototyping, quick webcam-based experiments, and educational demos where ...

## Save Presets: save_presets(filename): This function retrieves the current positions of all trackbars and saves them to a JSON file. It is triggered by pressing the 's' key. ## Load Presets: ...

首先把视频读取进来，因为我测试的视频是4k的所以我用resize调整了一下视频的分辨大小 截取roi的区域，也就是说，为了避免多余的干扰因素我们要把红绿灯的位置给截取出来（如下图所示） 一般对颜色空间的图像进行有效处理都是在HSV空间进行的，然后对于 ...