YOLOv8, YOLOv9, YOLO11, YOLO12 in Unity 6 using Inference Engine

YOLO is a real-time multi-object recognition model. Small and Nano model sizes are included for YOLO version 8 and above (except version 10 which uses NMS-free approach).

How to Use

• Create a new scene in Unity 6;
• Install com.unity.ai.inference from the package manager;
• Add the RunYOLO.cs script to the Main Camera;
• Drag an appropriate .onnx file from the models folder into the Model Asset field;
• Drag the classes.txt file into the Classes Asset field;
• Create a GameObject > UI > Raw Image object in the scene, set its width and height to 640, and link it as the Display Image field;
• Drag the Border Texture.png file into the Border Texture field;
• Select an appropriate font in the Font field;
• Put a video file in the Assets/StreamingAssets folder and set the Video Filename field to the filename of the video.

Preview

Enter play mode. If working correctly you should see something like this:

Inference Engine

Inference Engine is a neural network inference library for Unity. Find out more here.