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Segmentation of regions of interest (ROIs) for identifying abnormalities is a leading problem in medical imaging. Using machine learning for this problem generally requires manually annotated ground-truth segmentations, demanding extensive…

图像与视频处理 · 电气工程与系统科学 2024-08-19 Jay J. Yoo , Khashayar Namdar , Matthias W. Wagner , Liana Nobre , Uri Tabori , Cynthia Hawkins , Birgit B. Ertl-Wagner , Farzad Khalvati

Multi-Task Learning (MTL) aims to boost predictive performance by sharing information across related tasks, yet conventional methods often suffer from negative transfer when unrelated or noisy tasks are forced to share representations. We…

机器学习 · 计算机科学 2026-02-17 Seyedsaman Emami , Daniel Hernández-Lobato , Gonzalo Martínez-Muñoz

Imperfect labels limit the quality of predictions learned by deep neural networks. This is particularly relevant in medical image segmentation, where reference annotations are difficult to collect and vary significantly even across expert…

计算机视觉与模式识别 · 计算机科学 2021-07-07 Eugene Vorontsov , Samuel Kadoury

Deep learning approaches such as convolutional neural nets have consistently outperformed previous methods on challenging tasks such as dense, semantic segmentation. However, the various proposed networks perform differently, with behaviour…

Using multimodal Magnetic Resonance Imaging (MRI) is necessary for accurate brain tumor segmentation. The main problem is that not all types of MRIs are always available in clinical exams. Based on the fact that there is a strong…

图像与视频处理 · 电气工程与系统科学 2021-11-11 Tongxue Zhou , Stéphane Canu , Pierre Vera , Su Ruan

Fetal brain tissue segmentation in magnetic resonance imaging (MRI) is a crucial tool that supports understanding of neurodevelopment, yet it faces challenges due to the heterogeneity of data coming from different scanners and settings, as…

Automatic segmentation of anatomical landmarks from ultrasound (US) plays an important role in the management of preterm neonates with a very low birth weight due to the increased risk of developing intraventricular hemorrhage (IVH) or…

图像与视频处理 · 电气工程与系统科学 2019-12-19 Jeya Maria Jose V. , Rajeev Yasarla , Puyang Wang , Ilker Hacihaliloglu , Vishal M. Patel

We introduce a novel segmentation-aware joint training framework called generative reinforcement network (GRN) that integrates segmentation loss feedback to optimize both image generation and segmentation performance in a single stage. An…

In this paper, we propose a novel learning based method for automated segmentation of brain tumor in multimodal MRI images, which incorporates two sets of machine -learned and hand crafted features. Fully convolutional networks (FCN) forms…

计算机视觉与模式识别 · 计算机科学 2020-08-10 Mohammadreza Soltaninejad , Lei Zhang , Tryphon Lambrou , Guang Yang , Nigel Allinson , Xujiong Ye

Accuracy segmentation of brain structures could be helpful for glioma and radiotherapy planning. However, due to the visual and anatomical differences between different modalities, the accurate segmentation of brain structures becomes…

图像与视频处理 · 电气工程与系统科学 2021-01-05 Munan Ning , Cheng Bian , Chenglang Yuan , Kai Ma , Yefeng Zheng

Medical imaging has witnessed remarkable progress but usually requires a large amount of high-quality annotated data which is time-consuming and costly to obtain. To alleviate this burden, semi-supervised learning has garnered attention as…

计算机视觉与模式识别 · 计算机科学 2023-07-24 Qingyue Wei , Lequan Yu , Xianhang Li , Wei Shao , Cihang Xie , Lei Xing , Yuyin Zhou

Deep learning methods have been shown to be effective for the automatic segmentation of structures and pathologies in medical imaging. However, they require large annotated datasets, whose manual segmentation is a tedious and time-consuming…

图像与视频处理 · 电气工程与系统科学 2022-09-27 Bella Specktor Fadida , Daphna Link Sourani , Liat Ben Sira Elka Miller , Dafna Ben Bashat , Leo Joskowicz

Neural networks produced by standard training are known to suffer from poor accuracy on rare subgroups despite achieving high accuracy on average, due to the correlations between certain spurious features and labels. Previous approaches…

机器学习 · 计算机科学 2024-04-10 Gaotang Li , Jiarui Liu , Wei Hu

Ensembles, where multiple neural networks are trained individually and their predictions are averaged, have been shown to be widely successful for improving both the accuracy and predictive uncertainty of single neural networks. However, an…

机器学习 · 计算机科学 2020-02-21 Yeming Wen , Dustin Tran , Jimmy Ba

As research interests in medical image analysis become increasingly fine-grained, the cost for extensive annotation also rises. One feasible way to reduce the cost is to annotate with coarse-grained superclass labels while using limited…

计算机视觉与模式识别 · 计算机科学 2023-07-04 Linrui Dai , Wenhui Lei , Xiaofan Zhang

Semi-supervised learning, which leverages both annotated and unannotated data, is an efficient approach for medical image segmentation, where obtaining annotations for the whole dataset is time-consuming and costly. Traditional…

计算机视觉与模式识别 · 计算机科学 2025-02-06 Ruizhe Li , Grazziela Figueredo , Dorothee Auer , Rob Dineen , Paul Morgan , Xin Chen

Deep learning in the presence of noisy annotations has been studied extensively in classification, but much less in segmentation tasks. In this work, we study the learning dynamics of deep segmentation networks trained on…

计算机视觉与模式识别 · 计算机科学 2022-03-08 Sheng Liu , Kangning Liu , Weicheng Zhu , Yiqiu Shen , Carlos Fernandez-Granda

Deep neural networks (DNNs) have demonstrated exceptional performance across various image segmentation tasks. However, the process of preparing datasets for training segmentation DNNs is both labor-intensive and costly, as it typically…

计算机视觉与模式识别 · 计算机科学 2025-01-24 Yixin Zhang , Shen Zhao , Hanxue Gu , Maciej A. Mazurowski

Attention mechanism is a significant part of Transformer models. It helps extract features from embedded vectors by adding global information and its expressivity has been proved to be powerful. Nevertheless, the quadratic complexity…

机器学习 · 计算机科学 2025-11-11 Hanwen Liu , Yixuan Ma , Shi Jin , Yuguang Wang

Brain tumor segmentation plays an essential role in medical image analysis. In recent studies, deep convolution neural networks (DCNNs) are extremely powerful to tackle tumor segmentation tasks. We propose in this paper a novel training…

图像与视频处理 · 电气工程与系统科学 2020-10-29 Hieu T. Nguyen , Tung T. Le , Thang V. Nguyen , Nhan T. Nguyen