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The data-intensive nature of supervised classification drives the interest of the researchers towards unsupervised approaches, especially for problems such as medical image segmentation, where labeled data is scarce. Building on the recent…

计算机视觉与模式识别 · 计算机科学 2024-11-05 A. Mudit Adityaja , Saurabh J. Shigwan , Nitin Kumar

Machine learning models have achieved high overall accuracy in medical image analysis. However, performance disparities on specific patient groups pose challenges to their clinical utility, safety, and fairness. This can affect known…

机器学习 · 计算机科学 2024-10-23 Vincent Olesen , Nina Weng , Aasa Feragen , Eike Petersen

We investigate performance disparities in deep classifiers. We find that the ability of classifiers to separate individuals into subgroups varies substantially across medical imaging modalities and protected characteristics; crucially, we…

计算机视觉与模式识别 · 计算机科学 2023-07-07 Charles Jones , Mélanie Roschewitz , Ben Glocker

Curating a large scale medical imaging dataset for machine learning applications is both time consuming and expensive. Balancing the workload between model development, data collection and annotations is difficult for machine learning…

人工智能 · 计算机科学 2022-06-07 Athanasios Vlontzos , Hadrien Reynaud , Bernhard Kainz

We tackle biomedical image segmentation in the scenario of only a few labeled brain MR images. This is an important and challenging task in medical applications, where manual annotations are time-consuming. Current multi-atlas based…

计算机视觉与模式识别 · 计算机科学 2020-01-14 Hyeon Woo Lee , Mert R. Sabuncu , Adrian V. Dalca

The recent prevalence of deep neural networks has lead semantic segmentation networks to achieve human-level performance in the medical field when sufficient training data is provided. Such networks however fail to generalize when tasked…

计算机视觉与模式识别 · 计算机科学 2023-08-01 Serban Stan , Mohammad Rostami

Despite deep convolutional neural networks achieved impressive progress in medical image computing and analysis, its paradigm of supervised learning demands a large number of annotations for training to avoid overfitting and achieving…

计算机视觉与模式识别 · 计算机科学 2020-12-11 Liyan Sun , Chenxin Li , Xinghao Ding , Yue Huang , Guisheng Wang , Yizhou Yu

Medical image segmentation plays an important role in clinical decision making, treatment planning, and disease tracking. However, it still faces two major challenges. On the one hand, there is often a ``soft boundary'' between foreground…

图像与视频处理 · 电气工程与系统科学 2024-12-12 Mengqi Lei , Haochen Wu , Xinhua Lv , Xin Wang

Despite many efforts to address the disparities, the underrepresentation of gender, racial, and ethnic minorities in clinical trials remains a problem and undermines the efficacy of treatments on minorities. This paper focuses on the trial…

人工智能 · 计算机科学 2023-06-01 Brandon Theodorou , Lucas Glass , Cao Xiao , Jimeng Sun

Medical image segmentation methods generally assume that the process from medical image to segmentation is unbiased, and use neural networks to establish conditional probability models to complete the segmentation task. This assumption does…

图像与视频处理 · 电气工程与系统科学 2025-05-29 Ruiguo Yu , Yiyang Zhang , Yuan Tian , Yujie Diao , Di Jin , Witold Pedrycz

Automated medical image segmentation inherently involves a certain degree of uncertainty. One key factor contributing to this uncertainty is the ambiguity that can arise in determining the boundaries of a target region of interest,…

图像与视频处理 · 电气工程与系统科学 2023-08-28 Qingqiao Hu , Hao Wang , Jing Luo , Yunhao Luo , Zhiheng Zhangg , Jan S. Kirschke , Benedikt Wiestler , Bjoern Menze , Jianguo Zhang , Hongwei Bran Li

Due to the imbalanced and limited data, semi-supervised medical image segmentation methods often fail to produce superior performance for some specific tailed classes. Inadequate training for those particular classes could introduce more…

计算机视觉与模式识别 · 计算机科学 2022-09-02 Hritam Basak , Sagnik Ghosal , Ram Sarkar

Supervised training of deep learning models requires large labeled datasets. There is a growing interest in obtaining such datasets for medical image analysis applications. However, the impact of label noise has not received sufficient…

计算机视觉与模式识别 · 计算机科学 2020-03-24 Davood Karimi , Haoran Dou , Simon K. Warfield , Ali Gholipour

Datasets are rarely a realistic approximation of the target population. Say, prevalence is misrepresented, image quality is above clinical standards, etc. This mismatch is known as sampling bias. Sampling biases are a major hindrance for…

The performance of supervised deep learning methods for medical image segmentation is often limited by the scarcity of labeled data. As a promising research direction, semi-supervised learning addresses this dilemma by leveraging unlabeled…

图像与视频处理 · 电气工程与系统科学 2024-05-13 Zihang Liu , Chunhui Zhao

in healthcare. However, the existing AI model may be biased in its decision marking. The bias induced by data itself, such as collecting data in subgroups only, can be mitigated by including more diversified data. Distributed and…

分布式、并行与集群计算 · 计算机科学 2021-09-28 Di Fan , Yifan Wu , Xiaoxiao Li

As interest in applying machine learning techniques for medical images continues to grow at a rapid pace, models are starting to be developed and deployed for clinical applications. In the clinical AI model development lifecycle (described…

图像与视频处理 · 电气工程与系统科学 2020-08-20 Giorgio Pietro Biondetti , Romane Gauriau , Christopher P. Bridge , Charles Lu , Katherine P. Andriole

Selection bias poses a critical challenge for fairness in machine learning, as models trained on data that is less representative of the population might exhibit undesirable behavior for underrepresented profiles. Semi-supervised learning…

机器学习 · 计算机科学 2024-12-02 Yasin I. Tepeli , Mathijs de Wolf , Joana P. Gonçalves

Collective insights from a group of experts have always proven to outperform an individual's best diagnostic for clinical tasks. For the task of medical image segmentation, existing research on AI-based alternatives focuses more on…

计算机视觉与模式识别 · 计算机科学 2023-04-11 Aimon Rahman , Jeya Maria Jose Valanarasu , Ilker Hacihaliloglu , Vishal M Patel

In microscopy image cell segmentation, it is common to train a deep neural network on source data, containing different types of microscopy images, and then fine-tune it using a support set comprising a few randomly selected and annotated…

计算机视觉与模式识别 · 计算机科学 2022-11-21 Youssef Dawoud , Arij Bouazizi , Katharina Ernst , Gustavo Carneiro , Vasileios Belagiannis