Efficient Cloud-edge Collaborative Inference for Object Re-identification

• URL: http://arxiv.org/abs/2401.02041v1
• Date: Thu, 4 Jan 2024 02:56:50 GMT
• Title: Efficient Cloud-edge Collaborative Inference for Object Re-identification
• Authors: Chuanming Wang, Yuxin Yang, Mengshi Qi, Huadong Ma
• Abstract summary: We pioneer a cloud-edge collaborative inference framework for ReID systems. We propose a distribution-aware correlation modeling network (DaCM) to make the desired image return to the cloud server. DaCM embeds the spatial-temporal correlations implicitly included in the timestamps into a graph structure, and it can be applied in the cloud to regulate the size of the upload window.
• Score: 27.952445808987036
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Current object re-identification (ReID) system follows the centralized processing paradigm, i.e., all computations are conducted in the cloud server and edge devices are only used to capture and send images. As the number of videos experiences a rapid escalation, this paradigm has become impractical due to the finite computational resources. In such a scenario, the ReID system should be converted to fit in the cloud-edge collaborative processing paradigm, which is crucial to boost the scalability and practicality of ReID systems. However, current relevant work lacks research on this issue, making it challenging for ReID methods to be adapted effectively. Therefore, we pioneer a cloud-edge collaborative inference framework for ReID systems and particularly propose a distribution-aware correlation modeling network (DaCM) to make the desired image return to the cloud server as soon as possible via learning to model the spatial-temporal correlations among instances. DaCM embeds the spatial-temporal correlations implicitly included in the timestamps into a graph structure, and it can be applied in the cloud to regulate the size of the upload window and on the edge device to adjust the sequence of images, respectively. Traditional ReID methods can be combined with DaCM seamlessly, enabling their application within our proposed edge-cloud collaborative framework. Extensive experiments demonstrate that our method obviously reduces transmission overhead and significantly improves performance. We will release our code and model.

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