yolov5安裝

• 下載git
• 將下載后文件安裝
• git bash: git clone https://github.com/ultralytics/yolov5.git
• cd yolov5
• pip install -r requirements.txt
• python detect.py --source data\images\bus.jpg --weights yolov5s.pt --conf 0.25 # 運行無錯則torch安裝成功