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Medical image registration is a challenging task involving the estimation of spatial transformations to establish anatomical correspondence between pairs or groups of images. Recently, deep learning-based image registration methods have…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Xiang Chen , Yan Xia , Nishant Ravikumar , Alejandro F Frangi

One-shot medical image segmentation (MIS) is crucial for medical analysis due to the burden of medical experts on manual annotation. The recent emergence of the segment anything model (SAM) has demonstrated remarkable adaptation in MIS but…

图像与视频处理 · 电气工程与系统科学 2025-04-30 Jia Wang , Yunan Mei , Jiarui Liu , Xin Fan

This paper investigates an extremely challenging problem: barely-supervised volumetric medical image segmentation (BSS). A BSS training dataset consists of two parts: 1) a barely-annotated labeled set, where each labeled image contains only…

计算机视觉与模式识别 · 计算机科学 2024-09-05 Zhiqiang Shen , Peng Cao , Junming Su , Jinzhu Yang , Osmar R. Zaiane

Recently proposed methods for weakly-supervised semantic segmentation have achieved impressive performance in predicting pixel classes despite being trained with only image labels which lack positional information. Because image annotations…

计算机视觉与模式识别 · 计算机科学 2020-10-20 Lyndon Chan , Mahdi S. Hosseini , Konstantinos N. Plataniotis

We introduce SparseVM, a method that registers clinical-quality 3D MR scans both faster and more accurately than previously possible. Deformable alignment, or registration, of clinical scans is a fundamental task for many clinical…

计算机视觉与模式识别 · 计算机科学 2020-04-07 Kathleen M. Lewis , Natalia S. Rost , John Guttag , Adrian V. Dalca

Image registration, a critical process in medical imaging, involves aligning different sets of medical imaging data into a single unified coordinate system. Deep learning networks, such as the Convolutional Neural Network (CNN)-based…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Ziyang Wang , Jian-Qing Zheng , Chao Ma , Tao Guo

Weakly supervised semantic segmentation (WSSS) must learn dense masks from noisy, under-specified cues. We revisit the SegFormer decoder and show that three small, synergistic changes make weak supervision markedly more effective-without…

计算机视觉与模式识别 · 计算机科学 2025-11-26 Ali Torabi , Sanjog Gaihre , Yaqoob Majeed

Deep neural networks enable highly accurate image segmentation, but require large amounts of manually annotated data for supervised training. Few-shot learning aims to address this shortcoming by learning a new class from a few annotated…

计算机视觉与模式识别 · 计算机科学 2019-10-14 Abhijit Guha Roy , Shayan Siddiqui , Sebastian Pölsterl , Nassir Navab , Christian Wachinger

Weakly supervised semantic segmentation (WSSS) employing weak forms of labels has been actively studied to alleviate the annotation cost of acquiring pixel-level labels. However, classifiers trained on biased datasets tend to exploit…

计算机视觉与模式识别 · 计算机科学 2024-05-29 JuneHyoung Kwon , Eunju Lee , Yunsung Cho , YoungBin Kim

Deformable image registration between Computed Tomography (CT) images and Magnetic Resonance (MR) imaging is essential for many image-guided therapies. In this paper, we propose a novel translation-based unsupervised deformable image…

图像与视频处理 · 电气工程与系统科学 2020-09-22 Zhe Xu , Jie Luo , Jiangpeng Yan , Ritvik Pulya , Xiu Li , William Wells , Jayender Jagadeesan

The task of parsing subcutaneous vessels in clinical images is often hindered by the high cost and limited availability of ground truth data, as well as the challenge of low contrast and noisy vessel appearances across different patients…

计算机视觉与模式识别 · 计算机科学 2026-05-11 Ayaan Nooruddin Siddiqui , Mahnoor Zaidi , Ayesha Nazneen Shahbaz , Priyadarshini Chatterjee , Krishnan Menon Iyer

We propose a weakly-supervised framework for the semantic segmentation of circular-scan synthetic-aperture-sonar (CSAS) imagery. The first part of our framework is trained in a supervised manner, on image-level labels, to uncover a set of…

Precise determination of target is an essential procedure in prostate interventions, such as the prostate biopsy, lesion detection and targeted therapy. However, the prostate delineation may be tough in some cases due to tissue ambiguity or…

图像与视频处理 · 电气工程与系统科学 2020-07-31 Chunxia Qin , Xiaojun Chen , Jocelyne Troccaz

Most uses of Meta-Learning in visual recognition are very often applied to image classification, with a relative lack of works in other tasks {such} as segmentation and detection. We propose a generic Meta-Learning framework for few-shot…

计算机视觉与模式识别 · 计算机科学 2023-05-12 Hugo Oliveira , Pedro H. T. Gama , Isabelle Bloch , Roberto Marcondes Cesar

Automated nodule segmentation is essential for computer-assisted diagnosis in ultrasound images. Nevertheless, most existing methods depend on precise pixel-level annotations by medical professionals, a process that is both costly and…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Xingyue Zhao , Peiqi Li , Xiangde Luo , Meng Yang , Shi Chang , Zhongyu Li

Weakly Supervised Object Localization (WSOL), which aims to localize objects by only using image-level labels, has attracted much attention because of its low annotation cost in real applications. Current studies focus on the Class…

计算机视觉与模式识别 · 计算机科学 2025-05-09 Xi Yang , Songsong Duan , Nannan Wang , Xinbo Gao

Weakly supervised semantic segmentation (WSSS) has recently attracted considerable attention because it requires fewer annotations than fully supervised approaches, making it especially promising for large-scale image segmentation tasks.…

计算机视觉与模式识别 · 计算机科学 2025-05-30 Lechao Cheng , Zerun Liu , Jingxuan He , Chaowei Fang , Dingwen Zhang , Meng Wang

Objective. Limited access to breast cancer diagnosis globally leads to delayed treatment. Ultrasound, an effective yet underutilized method, requires specialized training for sonographers, which hinders its widespread use. Approach. Volume…

图像与视频处理 · 电气工程与系统科学 2023-11-21 Donya Khaledyan , Thomas J. Marini , Avice OConnell , Steven Meng , Jonah Kan , Galen Brennan , Yu Zhao , Timothy M. Baran , Kevin J. Parker

Multimodal image registration is a fundamental task and a prerequisite for downstream cross-modal analysis. Despite recent progress in shared feature extraction and multi-scale architectures, two key limitations remain. First, some methods…

计算机视觉与模式识别 · 计算机科学 2026-03-23 Chunlei Zhang , Jiahao Xia , Yun Xiao , Bo Jiang , Jian Zhang

Registration plays an important role in medical image analysis. Deep learning-based methods have been studied for medical image registration, which leverage convolutional neural networks (CNNs) for efficiently regressing a dense deformation…

计算机视觉与模式识别 · 计算机科学 2022-08-16 Xiaoru Gao , GuoYan Zheng