Search Results for author: Weixian Lei

Found 4 papers, 3 papers with code

ViT-Lens: Towards Omni-modal Representations

1 code implementation20 Aug 2023 Weixian Lei, Yixiao Ge, Jianfeng Zhang, Dylan Sun, Kun Yi, Ying Shan, Mike Zheng Shou

A well-trained lens with a ViT backbone has the potential to serve as one of these foundation models, supervising the learning of subsequent modalities.

 Ranked #1 on Zero-shot 3D classification on Objaverse LVIS (using extra training data)

3D Classification Question Answering +4

PCCT: Progressive Class-Center Triplet Loss for Imbalanced Medical Image Classification

no code implementations11 Jul 2022 Kanghao Chen, Weixian Lei, Rong Zhang, Shen Zhao, Wei-Shi Zheng, Ruixuan Wang

For the class-center involved triplet loss, the positive and negative samples in each triplet are replaced by their corresponding class centers, which enforces data representations of the same class closer to the class center.

Image Classification Medical Image Classification

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