YOLO Meets Mixture-of-Experts: Adaptive Expert Routing for Robust Object Detection
Ori Meiraz, Sharon Shalev, Avishai Weizman
2025-12-01
Summary
This paper introduces a new way to improve object detection, which is the process of identifying objects within images, by using multiple 'expert' networks working together.
What's the problem?
Traditional object detection models, even strong ones like YOLOv9-T, can struggle with the variety of objects and scenes they encounter. A single model has to try and be good at *everything*, which can limit its performance on specific or complex cases. It's like asking one person to be an expert in all fields – they can know a little about a lot, but won't be the best at any one thing.
What's the solution?
The researchers created a 'Mixture-of-Experts' system. Imagine having several specialized YOLOv9-T networks, each becoming an expert at detecting different types of objects or features. The system intelligently 'routes' each image or part of an image to the most appropriate expert network(s) for processing. This allows the system to dynamically focus its strengths, leading to more accurate detections.
Why it matters?
This approach significantly boosts the accuracy of object detection, as measured by metrics like mAP and AR. By specializing the networks, the system can identify objects more reliably and recall more of them, which is crucial for applications like self-driving cars, security systems, and image analysis where accurate object recognition is essential.
Abstract
This paper presents a novel Mixture-of-Experts framework for object detection, incorporating adaptive routing among multiple YOLOv9-T experts to enable dynamic feature specialization and achieve higher mean Average Precision (mAP) and Average Recall (AR) compared to a single YOLOv9-T model.