Edgeduet: Tiling small object detection for edge assisted autonomous mobile vision
Accurate, real-time object detection on resource-constrained devices enables autonomous mobile vision applications such as traffic surveillance, situational awareness, and safety inspection, where it is crucial to detect both small and large objects in crowded scenes. Prior studies either perform ob...
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sg-smu-ink.sis_research-77502022-01-27T10:47:38Z Edgeduet: Tiling small object detection for edge assisted autonomous mobile vision WANG, Xu YANG, Zheng WU, Jiahang ZHAO, Yi ZHOU, Zimu Accurate, real-time object detection on resource-constrained devices enables autonomous mobile vision applications such as traffic surveillance, situational awareness, and safety inspection, where it is crucial to detect both small and large objects in crowded scenes. Prior studies either perform object detection locally on-board or offload the task to the edge/cloud. Local object detection yields low accuracy on small objects since it operates on low-resolution videos to fit in mobile memory. Offloaded object detection incurs high latency due to uploading high-resolution videos to the edge/cloud. Rather than either pure local processing or offloading, we propose to detect large objects locally while offloading small object detection to the edge. The key challenge is to reduce the latency of small object detection. Accordingly, we develop EdgeDuet, the first edge-device collaborative framework for enhancing small object detection with tile-level parallelism. It optimizes the offloaded detection pipeline in tiles rather than the entire frame for high accuracy and low latency. Evaluations on drone vision datasets under LTE, WiFi 2.4GHz, WiFi 5GHz show that EdgeDuet outperforms local object detection in small object detection accuracy by 233.0%. It also improves the detection accuracy by 44.7% and latency by 34.2% over the state-of-the-art offloading schemes. 2021-05-01T07:00:00Z text application/pdf https://ink.library.smu.edu.sg/sis_research/6747 info:doi/10.1109/INFOCOM42981.2021.9488843 https://ink.library.smu.edu.sg/context/sis_research/article/7750/viewcontent/infocom21_wang.pdf http://creativecommons.org/licenses/by-nc-nd/4.0/ Research Collection School Of Computing and Information Systems eng Institutional Knowledge at Singapore Management University Artificial Intelligence and Robotics Graphics and Human Computer Interfaces |
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Artificial Intelligence and Robotics Graphics and Human Computer Interfaces WANG, Xu YANG, Zheng WU, Jiahang ZHAO, Yi ZHOU, Zimu Edgeduet: Tiling small object detection for edge assisted autonomous mobile vision |
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Accurate, real-time object detection on resource-constrained devices enables autonomous mobile vision applications such as traffic surveillance, situational awareness, and safety inspection, where it is crucial to detect both small and large objects in crowded scenes. Prior studies either perform object detection locally on-board or offload the task to the edge/cloud. Local object detection yields low accuracy on small objects since it operates on low-resolution videos to fit in mobile memory. Offloaded object detection incurs high latency due to uploading high-resolution videos to the edge/cloud. Rather than either pure local processing or offloading, we propose to detect large objects locally while offloading small object detection to the edge. The key challenge is to reduce the latency of small object detection. Accordingly, we develop EdgeDuet, the first edge-device collaborative framework for enhancing small object detection with tile-level parallelism. It optimizes the offloaded detection pipeline in tiles rather than the entire frame for high accuracy and low latency. Evaluations on drone vision datasets under LTE, WiFi 2.4GHz, WiFi 5GHz show that EdgeDuet outperforms local object detection in small object detection accuracy by 233.0%. It also improves the detection accuracy by 44.7% and latency by 34.2% over the state-of-the-art offloading schemes. |
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WANG, Xu YANG, Zheng WU, Jiahang ZHAO, Yi ZHOU, Zimu |
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WANG, Xu YANG, Zheng WU, Jiahang ZHAO, Yi ZHOU, Zimu |
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WANG, Xu |
title |
Edgeduet: Tiling small object detection for edge assisted autonomous mobile vision |
title_short |
Edgeduet: Tiling small object detection for edge assisted autonomous mobile vision |
title_full |
Edgeduet: Tiling small object detection for edge assisted autonomous mobile vision |
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Edgeduet: Tiling small object detection for edge assisted autonomous mobile vision |
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Edgeduet: Tiling small object detection for edge assisted autonomous mobile vision |
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edgeduet: tiling small object detection for edge assisted autonomous mobile vision |
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Institutional Knowledge at Singapore Management University |
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2021 |
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https://ink.library.smu.edu.sg/sis_research/6747 https://ink.library.smu.edu.sg/context/sis_research/article/7750/viewcontent/infocom21_wang.pdf |
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