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Efficiently utilizing discriminative features is crucial for convolutional neural networks to achieve remarkable performance in medical image segmentation and is also important for model generalization across multiple domains, where letting…

计算机视觉与模式识别 · 计算机科学 2022-05-16 Ran Gu , Jiangshan Lu , Jingyang Zhang , Wenhui Lei , Xiaofan Zhang , Guotai Wang , Shaoting Zhang

We propose a novel clustering approach for point-cloud segmentation based on supervised contrastive metric learning (CML). Rather than predicting cluster assignments or object-centric variables, the method learns a latent representation in…

Self-supervised contrastive learning is an effective approach for addressing the challenge of limited labelled data. This study builds upon the previously established two-stage patch-level, multi-label classification method for…

计算机视觉与模式识别 · 计算机科学 2026-02-09 Salma Haidar , José Oramas

We introduce CAN, a simple, efficient and scalable method for self-supervised learning of visual representations. Our framework is a minimal and conceptually clean synthesis of (C) contrastive learning, (A) masked autoencoders, and (N) the…

计算机视觉与模式识别 · 计算机科学 2022-11-01 Shlok Mishra , Joshua Robinson , Huiwen Chang , David Jacobs , Aaron Sarna , Aaron Maschinot , Dilip Krishnan

Among the research efforts to segment the retinal vasculature from fundus images, deep learning models consistently achieve superior performance. However, this data-driven approach is very sensitive to domain shifts. For fundus images, such…

图像与视频处理 · 电气工程与系统科学 2023-07-04 Dewei Hu , Xing Yao , Jiacheng Wang , Yuankai K. Tao , Ipek Oguz

Vascular segmentation represents a crucial clinical task, yet its automation remains challenging. Because of the recent strides in deep learning, vesselness filters, which can significantly aid the learning process, have been overlooked.…

图像与视频处理 · 电气工程与系统科学 2024-10-28 Guillaume Garret , Antoine Vacavant , Carole Frindel

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

Carotid vessel wall segmentation is a crucial yet challenging task in the computer-aided diagnosis of atherosclerosis. Although numerous deep learning models have achieved remarkable success in many medical image segmentation tasks,…

图像与视频处理 · 电气工程与系统科学 2022-08-30 Shishuai Hu , Zehui Liao , Yong Xia

Medical image computing has advanced rapidly with the advent of deep learning techniques such as convolutional neural networks. Deep convolutional neural networks can perform exceedingly well given full supervision. However, the success of…

图像与视频处理 · 电气工程与系统科学 2020-05-12 Abdullah-Al-Zubaer Imran , Demetri Terzopoulos

Accurate segmentation of coronary arteries remains a significant challenge in clinical practice, hindering the ability to effectively diagnose and manage coronary artery disease. The lack of large, annotated datasets for model training…

Medical images from different healthcare centers exhibit varied data distributions, posing significant challenges for adapting lung nodule detection due to the domain shift between training and application phases. Traditional unsupervised…

计算机视觉与模式识别 · 计算机科学 2024-08-05 Haifeng Zhao , Lixiang Jiang , Leilei Ma , Dengdi Sun , Yanping Fu

Deep learning approaches for diffusion MRI have so far focused primarily on voxel-based segmentation of lesions or white-matter fiber tracts. A drawback of representing tracts as volumetric labels, rather than sets of streamlines, is that…

图像与视频处理 · 电气工程与系统科学 2020-09-10 Christian Ewert , David Kügler , Anastasia Yendiki , Martin Reuter

Accurate cerebrovascular segmentation from Magnetic Resonance Angiography (MRA) and Computed Tomography Angiography (CTA) is of great significance in diagnosis and treatment of cerebrovascular pathology. Due to the complexity and topology…

图像与视频处理 · 电气工程与系统科学 2024-11-22 Zhanqiang Guo , Yao Luan , Jianjiang Feng , Wangsheng Lu , Yin Yin , Guangming Yang , Jie Zhou

Deep learning methods show promising results for overlapping cervical cell instance segmentation. However, in order to train a model with good generalization ability, voluminous pixel-level annotations are demanded which is quite expensive…

计算机视觉与模式识别 · 计算机科学 2020-07-22 Yanning Zhou , Hao Chen , Huangjing Lin , Pheng-Ann Heng

Background: Breast ultrasound is prominently used in diagnosing breast tumors. At present, many automatic systems based on deep learning have been developed to help radiologists in diagnosis. However, training such systems remains…

计算机视觉与模式识别 · 计算机科学 2024-08-21 Yunxin Tang , Siyuan Tang , Jian Zhang , Hao Chen

Recent advancements in self-supervised learning have demonstrated that effective visual representations can be learned from unlabeled images. This has led to increased interest in applying self-supervised learning to the medical domain,…

计算机视觉与模式识别 · 计算机科学 2023-04-10 Xiangyi Yan , Junayed Naushad , Chenyu You , Hao Tang , Shanlin Sun , Kun Han , Haoyu Ma , James Duncan , Xiaohui Xie

Accurate retinal vessel segmentation is an important task for many computer-aided diagnosis systems. Yet, it is still a challenging problem due to the complex vessel structures of an eye. Numerous vessel segmentation methods have been…

图像与视频处理 · 电气工程与系统科学 2022-03-23 Ali Karaali , Rozenn Dahyot , Donal J. Sexton

Self-supervised learning (SSL) has achieved major advances in natural images and video understanding, but challenges remain in domains like echocardiography (heart ultrasound) due to subtle anatomical structures, complex temporal dynamics,…

计算机视觉与模式识别 · 计算机科学 2026-01-26 Divyanshu Mishra , Mohammadreza Salehi , Pramit Saha , Olga Patey , Aris T. Papageorghiou , Yuki M. Asano , J. Alison Noble

Dense annotations, such as segmentation masks, are expensive and time-consuming to obtain, especially for 3D medical images where expert voxel-wise labeling is required. Weakly supervised approaches aim to address this limitation, but often…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Richard Petersen , Fredrik Kahl , Jennifer Alvén

Partially-supervised instance segmentation is a task which requests segmenting objects from novel unseen categories via learning on limited seen categories with annotated masks thus eliminating demands of heavy annotation burden. The key to…

计算机视觉与模式识别 · 计算机科学 2022-03-25 Xuehui Wang , Kai Zhao , Ruixin Zhang , Shouhong Ding , Yan Wang , Wei Shen