import cv2 from ultralytics import YOLO # Load the YOLOv8 model model = YOLO('best640.pt') # Open the video file video_path = "./videos/黑八7.mp4" cap = cv2.VideoCapture(video_path) cv2.namedWindow("Video", cv2.WINDOW_NORMAL) # Create a named window cv2.resizeWindow("Video", 640, 384) # Resize this window # Loop through the video frameslusalkdjl while cap.isOpened(): # Read a frame from the video success, frame = cap.read() if success: # Run YOLOv8 inference on the frame results = model(frame) # Visualize the results on the frame annotated_frame = results[0].plot() # Display the annotated frame cv2.imshow("Video", annotated_frame) # Break the loop if 'q' is pressed if cv2.waitKey(1) & 0xFF == ord("q"): break else: # Break the loop if the end of the video is reached break # Release the video capture object and close the display window cap.release() cv2.destroyAllWindows()