RAMS: Resource-Adaptive and Detection-Conditioned Model Switching for Embedded Edge Perception
Quick Answer
RAMS introduces a lightweight runtime controller for dynamic model switching among YOLOv8 tiers on embedded devices, achieving up to 5.6x faster inference with 74% accuracy retention.
Quick Take
Under heavy load, detection-conditioned switching improves accuracy scores significantly, demonstrating effective resource adaptation for edge perception tasks.
Key Points
- RAMS dynamically selects among YOLOv8 NANO, SMALL, and MEDIUM tiers without model-reload latency.
- The safety2 policy on Jetson Orin achieves 3.41 ms mean latency, 5.6x faster than fixed-MEDIUM.
- Detection-conditioned switching improves SWAS by 25.4% under oracle scoring and 47.3% under detector-derived scoring.
- Live KITTI evaluation shows VRU recall rates of 24.2%, 41.2%, and 59.0% across tiers.
- RAMS operates effectively across various platforms, including Raspberry Pi 5 and x86 laptops.
Paper Resources
Source Excerpt
arXiv:2606. 14716v1 Announce Type: new Abstract: Edge object detection on embedded hardware requires balancing inference latency and detection quality under changing resource pressure. We present RAMS, a lightweight runtime controller that monitors device pressure, calibrates switching thresholds from idle behavior, and dynamically selects among three resident YOLOv8 tiers (NANO/SMALL/MEDIUM at 320/416/640 px) without model-reload latency.
RAMS defines five switching policies, including two detection-conditioned variants that prevent aggressive downgrades after recent vulnerable-road-user (VRU) detections. …
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