Search Results for author: Jiwei Wei

Found 4 papers, 2 papers with code

Instance-Variant Loss with Gaussian RBF Kernel for 3D Cross-modal Retriveal

no code implementations7 May 2023 Zhitao Liu, Zengyu Liu, Jiwei Wei, Guan Wang, Zhenjiang Du, Ning Xie, Heng Tao Shen

Hence, the performance of cross-modal retrieval methods heavily depends on the representational capacity of this embedding space.

Cross-Modal Retrieval Retrieval

Learning Semantic-Aware Knowledge Guidance for Low-Light Image Enhancement

1 code implementation CVPR 2023 Yuhui Wu, Chen Pan, Guoqing Wang, Yang Yang, Jiwei Wei, Chongyi Li, Heng Tao Shen

To address this issue, we propose a novel semantic-aware knowledge-guided framework (SKF) that can assist a low-light enhancement model in learning rich and diverse priors encapsulated in a semantic segmentation model.

Low-Light Image Enhancement Semantic Segmentation

Semantic Enhanced Knowledge Graph for Large-Scale Zero-Shot Learning

no code implementations26 Dec 2022 Jiwei Wei, Yang Yang, Zeyu Ma, Jingjing Li, Xing Xu, Heng Tao Shen

In this paper, we provide a new semantic enhanced knowledge graph that contains both expert knowledge and categories semantic correlation.

Zero-Shot Learning

Universal Weighting Metric Learning for Cross-Modal Matching

1 code implementation CVPR 2020 Jiwei Wei, Xing Xu, Yang Yang, Yanli Ji, Zheng Wang, Heng Tao Shen

Furthermore, we introduce a new polynomial loss under the universal weighting framework, which defines a weight function for the positive and negative informative pairs respectively.

Image-text matching Metric Learning +1

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