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Automated medical image segmentation using deep neural networks typically requires substantial supervised training. However, these models fail to generalize well across different imaging modalities. This shortcoming, amplified by the…

图像与视频处理 · 电气工程与系统科学 2023-08-01 Malo Alefsen de Boisredon d'Assier , Eugene Vorontsov , Samuel Kadoury

Neural networks pre-trained on a self-supervision scheme have become the standard when operating in data rich environments with scarce annotations. As such, fine-tuning a model to a downstream task in a parameter-efficient but effective…

计算机视觉与模式识别 · 计算机科学 2022-11-18 Marc Fischer , Alexander Bartler , Bin Yang

Tooth segmentation in Cone-Beam Computed Tomography (CBCT) remains challenging, especially for fine structures like root apices, which is critical for assessing root resorption in orthodontics. We introduce GEPAR3D, a novel approach that…

Generative models have recently advanced $\textit{de novo}$ protein design by learning the statistical regularities of natural structures. However, current approaches face three key limitations: (1) Existing methods cannot jointly learn…

机器学习 · 计算机科学 2026-03-09 Zhanghan Ni , Yanjing Li , Zeju Qiu , Bernhard Schölkopf , Hongyu Guo , Weiyang Liu , Shengchao Liu

Shape priors have been widely utilized in medical image segmentation to improve segmentation accuracy and robustness. A major way to encode such a prior shape model is to use a mesh representation, which is prone to causing…

计算机视觉与模式识别 · 计算机科学 2017-05-31 Junjie Bai , Abhay Shah , Xiaodong Wu

We address the problem of segmenting 3D multi-modal medical images in scenarios where very few labeled examples are available for training. Leveraging the recent success of adversarial learning for semi-supervised segmentation, we propose a…

计算机视觉与模式识别 · 计算机科学 2018-10-30 Arnab Kumar Mondal , Jose Dolz , Christian Desrosiers

Vision foundation models (VFMs) are pre-trained on extensive image datasets to learn general representations for diverse types of data. These models can subsequently be fine-tuned for specific downstream tasks, significantly boosting…

计算机视觉与模式识别 · 计算机科学 2025-02-25 Shansong Wang , Mojtaba Safari , Qiang Li , Chih-Wei Chang , Richard LJ Qiu , Justin Roper , David S. Yu , Xiaofeng Yang

Continual learning protocols are attracting increasing attention from the medical imaging community. In continual environments, datasets acquired under different conditions arrive sequentially; and each is only available for a limited…

计算机视觉与模式识别 · 计算机科学 2023-02-13 Camila Gonzalez , Nick Lemke , Georgios Sakas , Anirban Mukhopadhyay

The universal model emerges as a promising trend for medical image segmentation, paving up the way to build medical imaging large model (MILM). One popular strategy to build universal models is to encode each task as a one-hot vector and…

计算机视觉与模式识别 · 计算机科学 2023-04-10 Yiwen Ye , Yutong Xie , Jianpeng Zhang , Ziyang Chen , Yong Xia

Direct automatic segmentation of objects from 3D medical imaging, such as magnetic resonance (MR) imaging, is challenging as it often involves accurately identifying a number of individual objects with complex geometries within a large…

图像与视频处理 · 电气工程与系统科学 2021-09-23 Wei Dai , Boyeong Woo , Siyu Liu , Matthew Marques , Craig B. Engstrom , Peter B. Greer , Stuart Crozier , Jason A. Dowling , Shekhar S. Chandra

Accurate detection and localization of traumatic injuries in abdominal CT scans remains a critical challenge in emergency radiology, primarily due to severe scarcity of annotated medical data. This paper presents a label-efficient approach…

计算机视觉与模式识别 · 计算机科学 2026-03-16 Shivam Chaudhary , Sheethal Bhat , Andreas Maier

Precise image segmentation provides clinical study with instructive information. Despite the remarkable progress achieved in medical image segmentation, there is still an absence of a 3D foundation segmentation model that can segment a wide…

计算机视觉与模式识别 · 计算机科学 2025-02-13 Yuxin Du , Fan Bai , Tiejun Huang , Bo Zhao

With the development of Deep Neural Networks (DNNs), many efforts have been made to handle medical image segmentation. Traditional methods such as nnUNet train specific segmentation models on the individual datasets. Plenty of recent…

计算机视觉与模式识别 · 计算机科学 2024-07-12 Xiaobao Wei , Jiajun Cao , Yizhu Jin , Ming Lu , Guangyu Wang , Shanghang Zhang

Despite the recent success of deep learning methods at achieving new state-of-the-art accuracy for medical image segmentation, some major limitations are still restricting their deployment into clinics. One major limitation of deep…

图像与视频处理 · 电气工程与系统科学 2023-05-30 Lucas Fidon

The 3D contrastive learning paradigm has demonstrated remarkable performance in downstream tasks through pretraining on point cloud data. Recent advances involve additional 2D image priors associated with 3D point clouds for further…

计算机视觉与模式识别 · 计算机科学 2024-12-09 Jiahua Dong , Tong Wu , Rui Qian , Jiaqi Wang

Large-scale supervised pretraining is rapidly reshaping 3D medical image segmentation. However, existing efforts focus primarily on increasing dataset size and overlook the question of whether the backbone network is an effective…

图像与视频处理 · 电气工程与系统科学 2025-12-22 Saikat Roy , Yannick Kirchhoff , Constantin Ulrich , Maximillian Rokuss , Tassilo Wald , Fabian Isensee , Klaus Maier-Hein

Semantic segmentation for medical 3D image stacks enables accurate volumetric reconstructions, computer-aided diagnostics and follow up treatment planning. In this work, we present a novel variant of the Unet model called the NUMSnet that…

图像与视频处理 · 电气工程与系统科学 2023-04-07 Sohini Roychowdhury

Reconstructing 3D object from a single image (RGB or depth) is a fundamental problem in visual scene understanding and yet remains challenging due to its ill-posed nature and complexity in real-world scenes. To address those challenges, we…

计算机视觉与模式识别 · 计算机科学 2021-09-10 Qian He , Desen Zhou , Bo Wan , Xuming He

The medical imaging literature has witnessed remarkable progress in high-performing segmentation models based on convolutional neural networks. Despite the new performance highs, the recent advanced segmentation models still require large,…

图像与视频处理 · 电气工程与系统科学 2020-02-13 Nima Tajbakhsh , Laura Jeyaseelan , Qian Li , Jeffrey Chiang , Zhihao Wu , Xiaowei Ding

Current deep learning-based approaches for the segmentation of microscopy images heavily rely on large amount of training data with dense annotation, which is highly costly and laborious in practice. Compared to full annotation where the…

计算机视觉与模式识别 · 计算机科学 2023-12-11 Shijie Li , Mengwei Ren , Thomas Ach , Guido Gerig