Search Results for author: YaJie Zhang

Found 2 papers, 0 papers with code

sub-region localized hashing for fine-grained image retrieval

no code implementations IEEE Transactions on Image Processing 2021 Xinguang Xiang, YaJie Zhang, Lu Jin, Zechao Li, Jinhui Tang

Specifically, to localize diverse local regions, a sub-region localization module is developed to learn discriminative local features by locating the peaks of non-overlap sub-regions in the feature map.

Image Retrieval Retrieval

A Second-Order Nonlocal Approximation for Manifold Poisson Model with Dirichlet Boundary

no code implementations4 Jan 2021 YaJie Zhang, Zuoqiang Shi

Recently, we constructed a class of nonlocal Poisson model on manifold under Dirichlet boundary with global $\mathcal{O}(\delta^2)$ truncation error to its local counterpart, where $\delta$ denotes the nonlocal horizon parameter.

Numerical Analysis Numerical Analysis Analysis of PDEs

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