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GridScope: A Cloud-Edge Collaborative Framework for Robust and Efficient Power-Grid Inspection
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DOI：10.3390/electronics15184226.png)
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Abstract
En 中文
Power-grid inspection requires both high detection reliability and low-latency deployment, yet existing solutions often face a fundamental trade-off between lightweight edge models with limited semantic capability and large multimodal models with high inference cost. To address this issue, we propose GridScope, a cloud-edge collaborative object detection framework for power-grid inspection. GridScope integrates an SLA-aware confidence routing to adaptively coordinate local inference, cloud verification, and dual-channel response according to task priority and detection confidence. To improve communication efficiency, we further design a split-VLM collaborative inference pipeline, in which compact visual features are extracted at the edge and only feature-level representations are transmitted to the cloud for semantic verification. In addition, cloud-side refined predictions are used to periodically optimize the edge detector, forming a continual feedback loop that improves local detection quality over time. Experiments on wildfire and foreign-object intrusion benchmarks demonstrate that GridScope consistently achieves a more favorable accuracy-efficiency trade-off than both lightweight detectors and full VLM baselines.
Keywords:
power-grid inspection
cloud-edge collaboration
vision-language models
object detection
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