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Intracranial carotid artery calcification (ICAC) is a major risk factor for stroke, and might contribute to dementia and cognitive decline. Reliance on time-consuming manual annotation of ICAC hampers much demanded further research into the…

计算机视觉与模式识别 · 计算机科学 2017-06-06 Gerda Bortsova , Gijs van Tulder , Florian Dubost , Tingying Peng , Nassir Navab , Aad van der Lugt , Daniel Bos , Marleen de Bruijne

Collecting large-scale medical datasets with fine-grained annotations is time-consuming and requires experts. For this reason, weakly supervised learning aims at optimising machine learning models using weaker forms of annotations, such as…

计算机视觉与模式识别 · 计算机科学 2021-08-27 Gabriele Valvano , Andrea Leo , Sotirios A. Tsaftaris

Weakly Supervised Object Localization (WSOL) methods generate both classification and localization results by learning from only image category labels. Previous methods usually utilize class activation map (CAM) to obtain target object…

计算机视觉与模式识别 · 计算机科学 2021-01-14 Ziyi Kou , Guofeng Cui , Shaojie Wang , Wentian Zhao , Chenliang Xu

This paper presents a novel framework for simultaneously implementing localization and segmentation, which are two of the most important vision-based tasks for robotics. While the goals and techniques used for them were considered to be…

计算机视觉与模式识别 · 计算机科学 2019-10-30 Kai Wang , Yimin Lin , Luowei Wang , Liming Han , Minjie Hua , Xiang Wang , Shiguo Lian , Bill Huang

We propose a novel method for unsupervised semantic image segmentation based on mutual information maximization between local and global high-level image features. The core idea of our work is to leverage recent progress in self-supervised…

计算机视觉与模式识别 · 计算机科学 2021-10-08 Robert Harb , Patrick Knöbelreiter

Performance of deep learning segmentation models is significantly challenged in its transferability across different medical imaging domains, particularly when aiming to adapt these models to a target domain with insufficient annotated data…

图像与视频处理 · 电气工程与系统科学 2024-06-27 Arnaud Judge , Thierry Judge , Nicolas Duchateau , Roman A. Sandler , Joseph Z. Sokol , Olivier Bernard , Pierre-Marc Jodoin

Integrating multi-modal data to promote medical image analysis has recently gained great attention. This paper presents a novel scheme to learn the mutual benefits of different modalities to achieve better segmentation results for unpaired…

计算机视觉与模式识别 · 计算机科学 2023-05-02 Jie Yang , Ye Zhu , Chaoqun Wang , Zhen Li , Ruimao Zhang

Biomedical image segmentation plays a significant role in computer-aided diagnosis. However, existing CNN based methods rely heavily on massive manual annotations, which are very expensive and require huge human resources. In this work, we…

计算机视觉与模式识别 · 计算机科学 2023-01-13 Ruifei Zhang , Sishuo Liu , Yizhou Yu , Guanbin Li

Spinal surgery planning necessitates automatic segmentation of vertebrae in cone-beam computed tomography (CBCT), an intraoperative imaging modality that is widely used in intervention. However, CBCT images are of low-quality and…

图像与视频处理 · 电气工程与系统科学 2021-03-10 Yuanyuan Lyu , Haofu Liao , Heqin Zhu , S. Kevin Zhou

Despite the promising performance achieved by current semi-supervised models in segmenting individual medical targets, many of these models suffer a notable decrease in performance when tasked with the simultaneous segmentation of multiple…

计算机视觉与模式识别 · 计算机科学 2025-04-02 You Wang , Zekun Li , Lei Qi , Qian Yu , Yinghuan Shi , Yang Gao

Background and objective: Combined evaluation of lumbosacral structures (e.g. nerves, bone) on multimodal radiographic images is routinely conducted prior to spinal surgery and interventional procedures. Generally, magnetic resonance…

计算机视觉与模式识别 · 计算机科学 2018-11-30 Guoxin Fan , Huaqing Liu , Zhenhua Wu , Yufeng Li , Chaobo Feng , Dongdong Wang , Jie Luo , Xiaofei Guan , William M. Wells , Shisheng He

This work studies the multi-task functional linear regression models where both the covariates and the unknown regression coefficients (called slope functions) are curves. For slope function estimation, we employ penalized splines to…

统计理论 · 数学 2023-08-02 Shiyuan He , Hanxuan Ye , Kejun He

Semantic segmentation and activity classification are key components to creating intelligent surgical systems able to understand and assist clinical workflow. In the Operating Room, semantic segmentation is at the core of creating robots…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Idris Hamoud , Alexandros Karargyris , Aidean Sharghi , Omid Mohareri , Nicolas Padoy

This report presents our semantic segmentation framework developed by team ACVLAB for the ICRA 2025 GOOSE 2D Semantic Segmentation Challenge, which focuses on parsing outdoor scenes into nine semantic categories under real-world conditions.…

计算机视觉与模式识别 · 计算机科学 2025-05-13 Chih-Chung Hsu , I-Hsuan Wu , Wen-Hai Tseng , Ching-Heng Cheng , Ming-Hsuan Wu , Jin-Hui Jiang , Yu-Jou Hsiao

Supervised learning by extreme learning machines resp. neural networks with random weights is studied under a non-stationary spatial-temporal sampling design which especially addresses settings where an autonomous object moving in a…

机器学习 · 统计学 2021-09-02 Ansgar Steland

Brain lesion and anatomy segmentation in magnetic resonance images are fundamental tasks in neuroimaging research and clinical practice. Given enough training data, convolutional neuronal networks (CNN) proved to outperform all existent…

计算机视觉与模式识别 · 计算机科学 2019-04-16 Nicolas Roulet , Diego Fernandez Slezak , Enzo Ferrante

We introduce AdaCoSeg, a deep neural network architecture for adaptive co-segmentation of a set of 3D shapes represented as point clouds. Differently from the familiar single-instance segmentation problem, co-segmentation is intrinsically…

计算机视觉与模式识别 · 计算机科学 2020-11-26 Chenyang Zhu , Kai Xu , Siddhartha Chaudhuri , Li Yi , Leonidas Guibas , Hao Zhang

Image segmentation is a critical step in computational biomedical image analysis, typically evaluated using metrics like the Dice coefficient during training and validation. However, in clinical settings without manual annotations,…

This work examines a disc-centric approach for automated severity grading of lumbar spinal stenosis from sagittal T2-weighted MRI. The method combines contrastive pretraining with disc-level fine-tuning, using a single anatomically…

图像与视频处理 · 电气工程与系统科学 2026-02-06 Sajjan Acharya , Pralisha Kansakar

We present SAM, a biologically-plausible selective attention-driven modulation approach to enhance classification models in a continual learning setting. Inspired by neurophysiological evidence that the primary visual cortex does not…