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Masked autoencoder (MAE) is a promising self-supervised pre-training technique that can improve the representation learning of a neural network without human intervention. However, applying MAE directly to volumetric medical images poses…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Jia-Xin Zhuang , Luyang Luo , Hao Chen

Probabilistic modelling has been an essential tool in medical image analysis, especially for analyzing brain Magnetic Resonance Images (MRI). Recent deep learning techniques for estimating high-dimensional distributions, in particular…

图像与视频处理 · 电气工程与系统科学 2020-07-10 Anna Volokitin , Ertunc Erdil , Neerav Karani , Kerem Can Tezcan , Xiaoran Chen , Luc Van Gool , Ender Konukoglu

Deep learning has led to state-of-the-art results for many medical imaging tasks, such as segmentation of different anatomical structures. With the increased numbers of deep learning publications and openly available code, the approach to…

图像与视频处理 · 电气工程与系统科学 2020-05-19 Tom van Sonsbeek , Veronika Cheplygina

Background: Manual delineation of target volumes in head and neck cancer (HNC) remains a significant bottleneck in radiotherapy planning, characterized by high inter-observer variability and time consumption. This study evaluates the…

High-frequency ultrasound (HFU) is well suited for imaging embryonic mice in vivo because it is non-invasive and real-time. Manual segmentation of the brain ventricles (BVs) and whole body from 3D HFU images is time-consuming and requires…

图像与视频处理 · 电气工程与系统科学 2019-09-25 Ziming Qiu , Nitin Nair , Jack Langerman , Orlando Aristizabal , Jonathan Mamou , Daniel H. Turnbull , Jeffrey A. Ketterling , Yao Wang

In the field of medical image segmentation, challenges such as indistinct lesion features, ambiguous boundaries,and multi-scale characteristics have long revailed. This paper proposes an improved method named Intensity-Spatial Dual Masked…

图像与视频处理 · 电气工程与系统科学 2025-02-17 Yuexing Ding , Jun Wang , Hongbing Lyu

To address the challenge of segmenting noisy images with blurred or fragmented boundaries, this paper presents a robust version of Variational Model Based Tailored UNet (VM_TUNet), a hybrid framework that integrates variational methods with…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Kaili Qi , Zhongyi Huang , Wenli Yang

Separating shared and independent features is crucial for multi-phase contrast-enhanced (CE) MRI synthesis. However, existing methods use deep autoencoder generators with low parameter efficiency and lack interpretable training strategies.…

计算机视觉与模式识别 · 计算机科学 2025-10-06 Xiaoyan Kui , Qianmu Xiao , Qqinsong Li , Zexin Ji , JIelin Zhang , Beiji Zou

In this paper, we propose a new method to perform data augmentation in a reliable way in the High Dimensional Low Sample Size (HDLSS) setting using a geometry-based variational autoencoder. Our approach combines a proper latent space…

Brain vessel segmentation of MR scans is a critical step in the diagnosis of cerebrovascular diseases. Due to the fine vessel structure, manual vessel segmentation is time consuming. Therefore, automatic deep learning (DL) based…

图像与视频处理 · 电气工程与系统科学 2025-03-31 Omini Rathore , Richard Paul , Abigail Morrison , Hanno Scharr , Elisabeth Pfaehler

This study investigates the impact of self-supervised pretraining of 3D semantic segmentation models on a large-scale, domain-specific dataset. We introduce BRAINS-45K, a dataset of 44,756 brain MRI volumes from public sources, the largest…

图像与视频处理 · 电气工程与系统科学 2024-08-16 Asbjørn Munk , Jakob Ambsdorf , Sebastian Llambias , Mads Nielsen

Unsupervised domain adaptation approaches have recently succeeded in various medical image segmentation tasks. The reported works often tackle the domain shift problem by aligning the domain-invariant features and minimizing the…

图像与视频处理 · 电气工程与系统科学 2023-05-31 Changjie Lu , Shen Zheng , Gaurav Gupta

The work presented explores the use of denoising autoencoders (DAE) for brain lesion detection, segmentation and false positive reduction. Stacked denoising autoencoders (SDAE) were pre-trained using a large number of unlabeled patient…

计算机视觉与模式识别 · 计算机科学 2017-01-11 Varghese Alex , Kiran Vaidhya , Subramaniam Thirunavukkarasu , Chandrasekharan Kesavdas , Ganapathy Krishnamurthi

In this paper, an unsupervised deep learning framework based on dual-path model-driven variational auto-encoders (VAE) is proposed for angle-of-arrivals (AoAs) and channel estimation in massive MIMO systems. Specifically designed for…

信号处理 · 电气工程与系统科学 2023-05-31 Zhiheng Guo , Yuanzhang Xiao , Xiang Chen

With pervasive applications of medical imaging in health-care, biomedical image segmentation plays a central role in quantitative analysis, clinical diagno- sis, and medical intervention. Since manual anno- tation su ers limited…

计算机视觉与模式识别 · 计算机科学 2018-03-14 Xiaowei Xu , Qing Lu , Yu Hu , Lin Yang , Sharon Hu , Danny Chen , Yiyu Shi

Volumetric medical image segmentation is pivotal in enhancing disease diagnosis, treatment planning, and advancing medical research. While existing volumetric foundation models for medical image segmentation, such as SAM-Med3D and SegVol,…

计算机视觉与模式识别 · 计算机科学 2024-07-15 Guoan Wang , Jin Ye , Junlong Cheng , Tianbin Li , Zhaolin Chen , Jianfei Cai , Junjun He , Bohan Zhuang

Medical image segmentation plays a vital role in clinic disease diagnosis and medical image analysis. However, labeling medical images for segmentation task is tough due to the indispensable domain expertise of radiologists. Furthermore,…

图像与视频处理 · 电气工程与系统科学 2024-03-20 Yubin Zheng , Peng Tang , Tianjie Ju , Weidong Qiu , Bo Yan

Current deep learning-based manifold learning algorithms such as the variational autoencoder (VAE) require fully sampled data to learn the probability density of real-world datasets. Once learned, the density can be used for a variety of…

图像与视频处理 · 电气工程与系统科学 2021-12-13 Qing Zou , Abdul Haseeb Ahmed , Prashant Nagpal , Sarv Priya , Rolf Schulte , Mathews Jacob

Automatic brain tissue segmentation from Magnetic Resonance Imaging (MRI) images is vital for accurate diagnosis and further analysis in medical imaging. Despite advancements in segmentation techniques, a comprehensive comparison between…

图像与视频处理 · 电气工程与系统科学 2024-11-11 Mohammad Imran Hossain , Muhammad Zain Amin , Daniel Tweneboah Anyimadu , Taofik Ahmed Suleiman

Background and objective: Employing deep learning models in critical domains such as medical imaging poses challenges associated with the limited availability of training data. We present a strategy for improving the performance and…

计算机视觉与模式识别 · 计算机科学 2024-03-27 Eva Pachetti , Sotirios A. Tsaftaris , Sara Colantonio