Search Results for author: Luyang Luo

Found 24 papers, 10 papers with code

Dia-LLaMA: Towards Large Language Model-driven CT Report Generation

no code implementations25 Mar 2024 Zhixuan Chen, Luyang Luo, Yequan Bie, Hao Chen

Medical report generation has achieved remarkable advancements yet has still been faced with several challenges.

Language Modelling Large Language Model +2

Medical Image Debiasing by Learning Adaptive Agreement from a Biased Council

no code implementations22 Jan 2024 Luyang Luo, Xin Huang, Minghao Wang, Zhuoyue Wan, Hao Chen

Specifically, the debiasing model is required to learn adaptive agreement with the biased council by agreeing on the correctly predicted samples and disagreeing on the wrongly predicted samples by the biased council.

Attribute Image Classification +1

Iterative Semi-Supervised Learning for Abdominal Organs and Tumor Segmentation

1 code implementation2 Oct 2023 Jiaxin Zhuang, Luyang Luo, Zhixuan Chen, Linshan Wu

Initially, a deep model (nn-UNet) trained on datasets with complete organ annotations (about 220 scans) generates pseudo labels for the whole dataset.

Computational Efficiency Organ Segmentation +2

Deep Omni-supervised Learning for Rib Fracture Detection from Chest Radiology Images

1 code implementation23 Jun 2023 Zhizhong Chai, Luyang Luo, Huangjing Lin, Pheng-Ann Heng, Hao Chen

To tackle this challenge, the literature on object detection has witnessed an increase of weakly-supervised and semi-supervised approaches, yet still lacks a unified framework that leverages various forms of fully-labeled, weakly-labeled, and unlabeled data.

object-detection Object Detection

Advancing Volumetric Medical Image Segmentation via Global-Local Masked Autoencoder

no code implementations15 Jun 2023 Jia-Xin Zhuang, Luyang Luo, Hao Chen

Masked autoencoder (MAE) is a promising self-supervised pre-training technique that can improve the representation learning of a neural network without human intervention.

Image Segmentation Representation Learning +2

Scale-aware Super-resolution Network with Dual Affinity Learning for Lesion Segmentation from Medical Images

no code implementations30 May 2023 Yanwen Li, Luyang Luo, Huangjing Lin, Pheng-Ann Heng, Hao Chen

To guide the segmentation branch to learn from richer high-resolution features, we propose a feature affinity module and a scale affinity module to enhance the multi-task learning of the dual branches.

Image Segmentation Image Super-Resolution +4

Scale Federated Learning for Label Set Mismatch in Medical Image Classification

1 code implementation14 Apr 2023 Zhipeng Deng, Luyang Luo, Hao Chen

Federated learning (FL) has been introduced to the healthcare domain as a decentralized learning paradigm that allows multiple parties to train a model collaboratively without privacy leakage.

Federated Learning Image Classification +2

Learning Robust Medical Image Segmentation from Multi-source Annotations

no code implementations2 Apr 2023 Yifeng Wang, Luyang Luo, Mingxiang Wu, Qiong Wang, Hao Chen

Learning segmentation networks from multi-source annotations remains a challenge due to the uncertainties brought by the variance of annotations and the quality of images.

Image Segmentation MRI segmentation +2

Label-Efficient Deep Learning in Medical Image Analysis: Challenges and Future Directions

no code implementations22 Mar 2023 Cheng Jin, Zhengrui Guo, Yi Lin, Luyang Luo, Hao Chen

Thus, label-efficient deep learning methods are developed to make comprehensive use of the labeled data as well as the abundance of unlabeled and weak-labeled data.

ORF-Net: Deep Omni-supervised Rib Fracture Detection from Chest CT Scans

no code implementations5 Jul 2022 Zhizhong Chai, Huangjing Lin, Luyang Luo, Pheng-Ann Heng, Hao Chen

In this paper, we proposed a novel omni-supervised object detection network, which can exploit multiple different forms of annotated data to further improve the detection performance.

Object object-detection +1

Pseudo Bias-Balanced Learning for Debiased Chest X-ray Classification

1 code implementation18 Mar 2022 Luyang Luo, Dunyuan Xu, Hao Chen, Tien-Tsin Wong, Pheng-Ann Heng

Deep learning models were frequently reported to learn from shortcuts like dataset biases.

OXnet: Omni-supervised Thoracic Disease Detection from Chest X-rays

1 code implementation7 Apr 2021 Luyang Luo, Hao Chen, Yanning Zhou, Huangjing Lin, Pheng-Ann Pheng

Then, we inject a global classification head to the detection model and propose dual attention alignment to guide the global gradient to the local detection branch, which enables learning lesion detection from image-level annotations.

Lesion Detection

Deep Semi-supervised Metric Learning with Dual Alignment for Cervical Cancer Cell Detection

no code implementations7 Apr 2021 Zhizhong Chai, Luyang Luo, Huangjing Lin, Hao Chen, Anjia Han, Pheng-Ann Heng

Specifically, our model learns a metric space and conducts dual alignment of semantic features on both the proposal level and the prototype levels.

Cell Detection Metric Learning +2

Deep Mining External Imperfect Data for Chest X-ray Disease Screening

no code implementations6 Jun 2020 Luyang Luo, Lequan Yu, Hao Chen, Quande Liu, Xi Wang, Jiaqi Xu, Pheng-Ann Heng

Recent researches have demonstrated that performance bottleneck exists in joint training on different CXR datasets, and few made efforts to address the obstacle.

General Classification Missing Labels +1

Semi-supervised Medical Image Classification with Relation-driven Self-ensembling Model

1 code implementation15 May 2020 Quande Liu, Lequan Yu, Luyang Luo, Qi Dou, Pheng Ann Heng

It is a consistency-based method which exploits the unlabeled data by encouraging the prediction consistency of given input under perturbations, and leverages a self-ensembling model to produce high-quality consistency targets for the unlabeled data.

General Classification Multi-Label Image Classification +2

Unifying Structure Analysis and Surrogate-driven Function Regression for Glaucoma OCT Image Screening

no code implementations26 Jul 2019 Xi Wang, Hao Chen, Luyang Luo, An-ran Ran, Poemen P. Chan, Clement C. Tham, Carol Y. Cheung, Pheng-Ann Heng

Besides, the proposed multi-task learning network is capable of exploring the structure and function relationship from the OCT image and visual field measurement simultaneously, which contributes to classification performance boosting.

Multi-Task Learning regression

Deep Angular Embedding and Feature Correlation Attention for Breast MRI Cancer Analysis

no code implementations7 Jun 2019 Luyang Luo, Hao Chen, Xi Wang, Qi Dou, Huangjin Lin, Juan Zhou, Gongjie Li, Pheng-Ann Heng

In this paper, we propose to identify breast tumor in MRI by Cosine Margin Sigmoid Loss (CMSL) with deep learning (DL) and localize possible cancer lesion by COrrelation Attention Map (COAM) based on the learned features.

Feature Correlation Specificity

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