[2606.14716] RAMS: Resource-Adaptive and Detection-Conditioned Model Switching for Embedded Edge Perception
[Submitted on 14 May 2026]
Title:RAMS: Resource-Adaptive and Detection-Conditioned Model Switching for Embedded Edge Perception
View a PDF of the paper titled RAMS: Resource-Adaptive and Detection-Conditioned Model Switching for Embedded Edge Perception, by Kushal Khemani and 3 other authors
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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. We further introduce the VRU-Weighted Accuracy Score (SWAS), a scalar metric for offline policy comparison without ground-truth annotations, together with an oracle-bounded variant that separates detector circularity from genuine tier-retention benefit. Across Raspberry Pi 5, x86 laptops, and Jetson Orin ONNX/TensorRT deployments, the same controller equations operate over a 37x latency range. On Jetson Orin TensorRT under heavy load, the safety2 policy achieves 3.41 ms mean latency, 5.6x faster than fixed-MEDIUM inference, while retaining 74% of its proxy accuracy through near-NANO operation with selective SMALL and MEDIUM locks during VRU-positive windows. Detection-conditioned switching improves SWAS by 25.4% under oracle scoring and 47.3% under detector-derived scoring relative to threshold-only policies under heavy load. Live KITTI evaluation reports per-tier VRU recall of 24.2%, 41.2%, and 59.0%, showing that reactive overrides are fundamentally limited by baseline detector recall.
Subjects:
Computer Vision and Pattern Recognition (cs.CV); Artificial Intelligence (cs.AI); Robotics (cs.RO)
Cite as: arXiv:2606.14716 [cs.CV]
(or arXiv:2606.14716v1 [cs.CV] for this version)
https://doi.org/10.48550/arXiv.2606.14716
arXiv-issued DOI via DataCite
Submission history
From: Kushal Khemani [view email] [v1] Thu, 14 May 2026 13:06:42 UTC (385 KB)
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