no code implementations • 13 Mar 2025 • Nannan Wu, Zengqiang Yan, Nong Sang, Li Yu, Chang Wen Chen
In this paper, we attribute this competition to the homogeneity in loss patterns exhibited by rare and mislabeled data clients, preventing existing loss-based fair and robust FL methods from effectively distinguishing and handling these two distinct client types.
1 code implementation • 12 Mar 2025 • Nannan Wu, Zhuo Kuang, Zengqiang Yan, Ping Wang, Li Yu
Existing fair federated learning methods have demonstrated some effectiveness in solving this problem by aligning a single 0th- or 1st-order state of convergence (e. g., training loss or sharpness).
1 code implementation • 20 Jul 2024 • Junjie Shi, Caozhi Shang, Zhaobin Sun, Li Yu, Xin Yang, Zengqiang Yan
In this paper, we, for the first time, formulate such a challenging setting and propose Preference-Aware Self-diStillatION (PASSION) for incomplete multi-modal medical image segmentation under imbalanced missing rates.
1 code implementation • 17 Jul 2024 • Jeffry Wicaksana, Zengqiang Yan, Kwang-Ting Cheng
Limited training data and severe class imbalance pose significant challenges to developing clinically robust deep learning models.
1 code implementation • 2 Jul 2024 • Yangyang Xiang, Nannan Wu, Li Yu, Xin Yang, Kwang-Ting Cheng, Zengqiang Yan
We begin by evaluating the completeness of annotations at the client level using a designed indicator.
1 code implementation • 27 Jun 2024 • Zhaobin Sun, Nannan Wu, Junjie Shi, Li Yu, Xin Yang, Kwang-Ting Cheng, Zengqiang Yan
Experiments on two publicly-available medical datasets validate the superiority of FedMLP against the state-of-the-art both federated semi-supervised and noisy label learning approaches under task heterogeneity.
1 code implementation • 27 Apr 2024 • Nannan Wu, Zhuo Kuang, Zengqiang Yan, Li Yu
In this study, we pioneer the identification and formulation of this new fairness challenge within the context of the imaging quality shift.
1 code implementation • 20 Mar 2024 • Xian lin, Yangyang Xiang, Zhehao Wang, Kwang-Ting Cheng, Zengqiang Yan, Li Yu
Specifically, based on SAM, SAMCT is further equipped with a U-shaped CNN image encoder, a cross-branch interaction module, and a task-indicator prompt encoder.
1 code implementation • 20 Dec 2023 • Nannan Wu, Zhaobin Sun, Zengqiang Yan, Li Yu
Specifically, noise estimation at each client is accomplished through the Gaussian mixture model and then incorporated into model aggregation in a layer-wise manner to up-weight high-quality clients.
1 code implementation • 13 Sep 2023 • Xian lin, Yangyang Xiang, Li Yu, Zengqiang Yan
End-to-end medical image segmentation is of great value for computer-aided diagnosis dominated by task-specific models, usually suffering from poor generalization.
1 code implementation • 9 Sep 2023 • Xian lin, Zengqiang Yan, Xianbo Deng, Chuansheng Zheng, Li Yu
Following CSA, 2D convolution is utilized for feature refinement through CFFN.
3 code implementations • 9 May 2023 • Nannan Wu, Li Yu, Xuefeng Jiang, Kwang-Ting Cheng, Zengqiang Yan
Federated noisy label learning (FNLL) is emerging as a promising tool for privacy-preserving multi-source decentralized learning.
1 code implementation • 1 May 2023 • Jeffry Wicaksana, Zengqiang Yan, Kwang-Ting Cheng
To overcome this, we propose federated classifier anchoring (FCA) by adding a personalized classifier at each client to guide and debias the federated model through consistency learning.
1 code implementation • 12 Nov 2022 • Tianyi Shi, Xiaohuan Ding, Wei Zhou, Feng Pan, Zengqiang Yan, Xiang Bai, Xin Yang
Vessel segmentation is crucial in many medical image applications, such as detecting coronary stenoses, retinal vessel diseases and brain aneurysms.
1 code implementation • 29 Jun 2022 • Xian lin, Li Yu, Kwang-Ting Cheng, Zengqiang Yan
To our best knowledge, this is the first work on transformer pruning for medical image analysis tasks.
2 code implementations • 29 Jun 2022 • Xian lin, Li Yu, Kwang-Ting Cheng, Zengqiang Yan
Specifically, to fully explore the benefits of transformers in long-range dependency establishment, a cross-scale global transformer (CGT) module is introduced to jointly utilize multiple small-scale feature maps for richer global features with lower computational complexity.
1 code implementation • 28 Jun 2022 • Nannan Wu, Li Yu, Xin Yang, Kwang-Ting Cheng, Zengqiang Yan
In this paper, we present a privacy-preserving FL method named FedIIC to combat class imbalance from two perspectives: feature learning and classifier learning.
1 code implementation • 4 May 2022 • Jeffry Wicaksana, Zengqiang Yan, Dong Zhang, Xijie Huang, Huimin Wu, Xin Yang, Kwang-Ting Cheng
To relax this assumption, in this work, we propose a label-agnostic unified federated learning framework, named FedMix, for medical image segmentation based on mixed image labels.
1 code implementation • CVPR 2021 • Shichao Li, Zengqiang Yan, Hongyang Li, Kwang-Ting Cheng
The latter question motivates us to incorporate geometry knowledge with a new loss function based on a projective invariant.
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