Search Results for author: Zhiyuan Cai

Found 6 papers, 2 papers with code

FedLPPA: Learning Personalized Prompt and Aggregation for Federated Weakly-supervised Medical Image Segmentation

no code implementations27 Feb 2024 Li Lin, Yixiang Liu, Jiewei Wu, Pujin Cheng, Zhiyuan Cai, Kenneth K. Y. Wong, Xiaoying Tang

In such context, we propose a novel personalized FL framework with learnable prompt and aggregation (FedLPPA) to uniformly leverage heterogeneous weak supervision for medical image segmentation.

Federated Learning Image Segmentation +4

JOINEDTrans: Prior Guided Multi-task Transformer for Joint Optic Disc/Cup Segmentation and Fovea Detection

no code implementations19 May 2023 Huaqing He, Li Lin, Zhiyuan Cai, Pujin Cheng, Xiaoying Tang

To address these issues, we propose a prior guided multi-task transformer framework for joint OD/OC segmentation and fovea detection, named JOINEDTrans.

Fovea Detection Image Segmentation +2

Safe Reinforcement Learning for a Robot Being Pursued but with Objectives Covering More Than Capture-avoidance

no code implementations2 Jul 2022 Huanhui Cao, Zhiyuan Cai, Hairuo Wei, Wenjie Lu, Lin Zhang, Hao Xiong

Reinforcement Learning (RL) algorithms show amazing performance in recent years, but placing RL in real-world applications such as self-driven vehicles may suffer safety problems.

Position Reinforcement Learning (RL) +1

Uni4Eye: Unified 2D and 3D Self-supervised Pre-training via Masked Image Modeling Transformer for Ophthalmic Image Classification

no code implementations9 Mar 2022 Zhiyuan Cai, Li Lin, Huaqing He, Xiaoying Tang

We employ a Unified Patch Embedding module to replace the origin patch embedding module in ViT for jointly processing both 2D and 3D input images.

Image Classification Self-Supervised Learning

JOINED : Prior Guided Multi-task Learning for Joint Optic Disc/Cup Segmentation and Fovea Detection

1 code implementation1 Mar 2022 Huaqing He, Li Lin, Zhiyuan Cai, Xiaoying Tang

At the coarse stage, we obtain the OD/OC coarse segmentation and the heatmap localization of fovea through a joint segmentation and detection module.

Fovea Detection Multi-Task Learning +1

COROLLA: An Efficient Multi-Modality Fusion Framework with Supervised Contrastive Learning for Glaucoma Grading

1 code implementation11 Jan 2022 Zhiyuan Cai, Li Lin, Huaqing He, Xiaoying Tang

In this paper, we propose an efficient multi-modality supervised contrastive learning framework, named COROLLA, for glaucoma grading.

Contrastive Learning

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