效果 项目 代码 usingOpenCvSharp; usingOpenCvSharp.Dnn; usingSystem; usingSystem.Collections.Generic; usingSystem.ComponentModel; usingSystem.Data; usingSystem.Drawing; usingSystem.Linq; usingSystem.Text; usingSystem.Windows.Forms; namespaceOpenCvSharp_Yolov8_Demo { publicpartialclassForm1:Form { publ...