Search Results for author: Yucan Zhou

Found 7 papers, 3 papers with code

AREA: Adaptive Reweighting via Effective Area for Long-Tailed Classification

1 code implementation ICCV 2023 Xiaohua Chen, Yucan Zhou, Dayan Wu, Chule Yang, Bo Li, QinGhua Hu, Weiping Wang

Consequently, we estimate the size of the spanned space for each category, namely effective area, by detailedly analyzing its samples' distribution.

Imagine by Reasoning: A Reasoning-Based Implicit Semantic Data Augmentation for Long-Tailed Classification

1 code implementation15 Dec 2021 Xiaohua Chen, Yucan Zhou, Dayan Wu, Wanqian Zhang, Yu Zhou, Bo Li, Weiping Wang

Since the covariance matrix of each category represents the feature transformation directions, we can sample new directions from similar categories to generate definitely different instances.

Data Augmentation Long-tail Learning

MMF: Multi-Task Multi-Structure Fusion for Hierarchical Image Classification

no code implementations2 Jul 2021 Xiaoni Li, Yucan Zhou, Yu Zhou, Weiping Wang

Hierarchical classification is significant for complex tasks by providing multi-granular predictions and encouraging better mistakes.

Classification Image Classification

Rescuing Deep Hashing from Dead Bits Problem

no code implementations1 Feb 2021 Shu Zhao, Dayan Wu, Yucan Zhou, Bo Li, Weiping Wang

The proposed gradient amplifier and error-aware quantization loss are compatible with a variety of deep hashing methods.

Deep Hashing Image Retrieval +1

Expert Training: Task Hardness Aware Meta-Learning for Few-Shot Classification

no code implementations13 Jul 2020 Yucan Zhou, Yu Wang, Jianfei Cai, Yu Zhou, QinGhua Hu, Weiping Wang

Some works in the optimization of deep neural networks have shown that a better arrangement of training data can make the classifier converge faster and perform better.

General Classification Meta-Learning

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