Person Re-identification with Patch-Based Local Sparse Matching and Metric Learning
Abstract
Recently, patch based matching has been demonstrated effectively to address the spatial misalignment issue caused by camera-view changes or human pose variations in person re-identification (Re-ID) problem. In this paper, we propose a novel local sparse matching model to obtain a reliable patch-wise matching for Re-ID problem. In particular, in the training phase, we develop a robust Local Sparse Matching model to learn more precise corresponding relationship between patches of positive sample image pairs. In the testing phase, we adopt a local-global distance metric learning for Re-ID task by considering global and local information simultaneously. Extensive experiments on four benchmarks demonstrate the effectiveness of our approach.
Keywords
Person re-identification Graph matching Metric learningNotes
Acknowledgment
This work was supported by the National Natural Science Foundation of China (61602001), Natural Science Foundation of Anhui Province (1708085QF139), Open Project Program of the National Laboratory of Pattern Recognition (NLPR) (201900046).
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