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The insertion of deep learning in medical image analysis had lead to the development of state-of-the art strategies in several applications such a disease classification, as well as abnormality detection and segmentation. However, even the…

图像与视频处理 · 电气工程与系统科学 2022-02-24 Mauricio Orbes-Arteaga , Thomas Varsavsky , Lauge Sorensen , Mads Nielsen , Akshay Pai , Sebastien Ourselin , Marc Modat , M Jorge Cardoso

When domains, which represent underlying data distributions, vary during training and testing processes, deep neural networks suffer a drop in their performance. Domain generalization allows improvements in the generalization performance…

计算机视觉与模式识别 · 计算机科学 2019-11-19 Toshihiko Matsuura , Tatsuya Harada

In medical imaging, the heterogeneity of multi-centre data impedes the applicability of deep learning-based methods and results in significant performance degradation when applying models in an unseen data domain, e.g. a new centreor a new…

计算机视觉与模式识别 · 计算机科学 2020-08-12 Hongwei Li , Timo Loehr , Anjany Sekuboyina , Jianguo Zhang , Benedikt Wiestler , Bjoern Menze

Achieving domain generalization in medical imaging poses a significant challenge, primarily due to the limited availability of publicly labeled datasets in this domain. This limitation arises from concerns related to data privacy and the…

图像与视频处理 · 电气工程与系统科学 2024-07-23 Ahmed Radwan , Islam Osman , Mohamed S. Shehata

Recently deep learning methods, in particular, convolutional neural networks (CNNs), have led to a massive breakthrough in the range of computer vision. Also, the large-scale annotated dataset is the essential key to a successful training…

图像与视频处理 · 电气工程与系统科学 2020-11-17 Chang Qi , Junyang Chen , Guizhi Xu , Zhenghua Xu , Thomas Lukasiewicz , Yang Liu

Deep learning based electroencephalography (EEG) signal processing methods are known to suffer from poor test-time generalization due to the changes in data distribution. This becomes a more challenging problem when privacy-preserving…

Although recent years have witnessed the great success of convolutional neural networks (CNNs) in medical image segmentation, the domain shift issue caused by the highly variable image quality of medical images hinders the deployment of…

计算机视觉与模式识别 · 计算机科学 2023-06-01 Ziyang Chen , Yongsheng Pan , Yiwen Ye , Hengfei Cui , Yong Xia

Domain Generalization (DG) aims to resolve distribution shifts between source and target domains, and current DG methods are default to the setting that data from source and target domains share identical categories. Nevertheless, there…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Zining Chen , Weiqiu Wang , Zhicheng Zhao , Fei Su , Aidong Men , Hongying Meng

Domain generalization (DG) intends to train a model on multiple source domains to ensure that it can generalize well to an arbitrary unseen target domain. The acquisition of domain-invariant representations is pivotal for DG as they possess…

计算机视觉与模式识别 · 计算机科学 2024-01-12 Na Wang , Lei Qi , Jintao Guo , Yinghuan Shi , Yang Gao

Fine-tuning large pretrained vision-language models (VLMs) has emerged as a prevalent paradigm for downstream adaptation, yet it faces a critical trade-off between domain specificity and domain generalization (DG) ability. Current methods…

计算机视觉与模式识别 · 计算机科学 2026-03-13 Xinyao Li , Yinjie Min , Hongbo Chen , Zhekai Du , Fengling Li , Jingjing Li

Computer vision has flourished in recent years thanks to Deep Learning advancements, fast and scalable hardware solutions and large availability of structured image data. Convolutional Neural Networks trained on supervised tasks with…

计算机视觉与模式识别 · 计算机科学 2021-08-23 Antono D'Innocente

Medical image data are often limited due to the expensive acquisition and annotation process. Hence, training a deep-learning model with only raw data can easily lead to overfitting. One solution to this problem is to augment the raw data…

图像与视频处理 · 电气工程与系统科学 2023-12-19 Xinyue Xu , Yuhan Hsi , Haonan Wang , Xiaomeng Li

Deep learning-based medical image segmentation models suffer from performance degradation when deployed to a new healthcare center. To address this issue, unsupervised domain adaptation and multi-source domain generalization methods have…

计算机视觉与模式识别 · 计算机科学 2023-06-27 Shishuai Hu , Zehui Liao , Yong Xia

A major technique for tackling unsupervised domain adaptation involves mapping data points from both the source and target domains into a shared embedding space. The mapping encoder to the embedding space is trained such that the embedding…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Mohammad Rostami

In this paper, we present an effective data augmentation framework leveraging the Large Language Model (LLM) and Diffusion Model (DM) to tackle the challenges inherent in data-scarce scenarios. Recently, DMs have opened up the possibility…

计算机视觉与模式识别 · 计算机科学 2024-09-26 Kyuheon Jung , Yongdeuk Seo , Seongwoo Cho , Jaeyoung Kim , Hyun-seok Min , Sungchul Choi

Time-series data augmentation mitigates the issue of insufficient training data for deep learning models. Yet, existing augmentation methods are mainly designed for classification, where class labels can be preserved even if augmentation…

机器学习 · 计算机科学 2023-03-28 Xiyuan Zhang , Ranak Roy Chowdhury , Jingbo Shang , Rajesh Gupta , Dezhi Hong

Retrieval-Augmented Generation (RAG) enhances LLM factuality, but multi-domain applications face challenges like lack of diverse benchmarks and poor out-of-domain generalization. The first contribution of this work is to introduce a diverse…

计算与语言 · 计算机科学 2025-04-04 Alexandre Misrahi , Nadezhda Chirkova , Maxime Louis , Vassilina Nikoulina

The distribution shifts between training and test data typically undermine the performance of models. In recent years, lots of work pays attention to domain generalization (DG) where distribution shifts exist, and target data are unseen.…

机器学习 · 计算机科学 2024-01-05 Wang Lu , Jindong Wang , Yidong Wang , Xing Xie

Existing unsupervised domain adaptation methods based on adversarial learning have achieved good performance in several medical imaging tasks. However, these methods focus only on global distribution adaptation and ignore distribution…

计算机视觉与模式识别 · 计算机科学 2022-07-11 Wei Feng , Lin Wang , Lie Ju , Xin Zhao , Xin Wang , Xiaoyu Shi , Zongyuan Ge

Domain generalization (DG) is a fundamental yet very challenging research topic in machine learning. The existing arts mainly focus on learning domain-invariant features with limited source domains in a static model. Unfortunately, there is…

机器学习 · 计算机科学 2022-05-30 Zhishu Sun , Zhifeng Shen , Luojun Lin , Yuanlong Yu , Zhifeng Yang , Shicai Yang , Weijie Chen