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Medical ultrasound video analysis is challenging due to variable sequence lengths, subtle spatial cues, and the need for interpretable video-level assessment. We introduce GADA, a Graph Attention-based Detection Aggregation framework that…

图像与视频处理 · 电气工程与系统科学 2025-10-14 Li Chen , Naveen Balaraju , Jochen Kruecker , Balasundar Raju , Alvin Chen

Open-Vocabulary Temporal Action Detection (OV-TAD) aims to classify and localize action segments in untrimmed videos for unseen categories. Previous methods rely solely on global alignment between label-level semantics and visual features,…

计算机视觉与模式识别 · 计算机科学 2026-03-26 Sa Zhu , Wanqian Zhang , Lin Wang , Xiaohua Chen , Chenxu Cui , Jinchao Zhang , Bo Li

Medical image annotations are prohibitively time-consuming and expensive to obtain. To alleviate annotation scarcity, many approaches have been developed to efficiently utilize extra information, e.g.,semi-supervised learning further…

计算机视觉与模式识别 · 计算机科学 2020-07-14 Kang Li , Shujun Wang , Lequan Yu , Pheng-Ann Heng

Coronary Artery Diseases (CADs) although preventable, are one of the leading causes of death and disability. Diagnosis of these diseases is often difficult and resource intensive. Angiographic imaging segmentation of the arteries has…

图像与视频处理 · 电气工程与系统科学 2024-07-22 Sandesh Pokhrel , Sanjay Bhandari , Eduard Vazquez , Yash Raj Shrestha , Binod Bhattarai

By leveraging data from a fully labeled source domain, unsupervised domain adaptation (UDA) improves classification performance on an unlabeled target domain through explicit discrepancy minimization of data distribution or adversarial…

计算机视觉与模式识别 · 计算机科学 2021-12-06 Shengjia Zhang , Tiancheng Lin , Yi Xu

Instance segmentation is crucial for autonomous driving, but is hindered by the lack of annotated real-world data due to expensive labeling costs. Unsupervised Domain Adaptation (UDA) offers a solution by transferring knowledge from labeled…

计算机视觉与模式识别 · 计算机科学 2025-06-23 Yachan Guo , Yi Xiao , Danna Xue , Jose L. Gomez , Antonio M. Lopez

Simulation data can be accurately labeled and have been expected to improve the performance of data-driven algorithms, including object detection. However, due to the various domain inconsistencies from simulation to reality…

计算机视觉与模式识别 · 计算机科学 2024-10-01 Meiying Zhang , Weiyuan Peng , Guangyao Ding , Chenyang Lei , Chunlin Ji , Qi Hao

We consider unsupervised domain adaptation (UDA) for semantic segmentation in which the model is trained on a labeled source dataset and adapted to an unlabeled target dataset. Unfortunately, current self-training methods are susceptible to…

计算机视觉与模式识别 · 计算机科学 2024-12-06 Erik Brorsson , Knut Åkesson , Lennart Svensson , Kristofer Bengtsson

Disentangled representation is a powerful technique to tackle domain shift problem in medical image analysis in unsupervised domain adaptation setting.However, previous methods only focus on exacting domain-invariant feature and ignore…

图像与视频处理 · 电气工程与系统科学 2023-03-07 Shuai Wang , Rui Li

Anomaly detection, which aims to identify anomalies deviating from normal patterns, is challenging due to the limited amount of normal data available. Unlike most existing unified methods that rely on carefully designed image feature…

计算机视觉与模式识别 · 计算机科学 2025-09-01 Jiawei Liu , Jiahe Hou , Wei Wang , Jinsong Du , Yang Cong , Huijie Fan

The goal of unsupervised anomaly segmentation (UAS) is to detect the pixel-level anomalies unseen during training. It is a promising field in the medical imaging community, e.g, we can use the model trained with only healthy data to segment…

图像与视频处理 · 电气工程与系统科学 2021-03-17 Chenxin Li , Yunlong Zhang , Jiongcheng Li , Yue Huang , Xinghao Ding

Versatile medical image segmentation (VMIS) targets the segmentation of multiple classes, while obtaining full annotations for all classes is often impractical due to the time and labor required. Leveraging partially labeled datasets (PLDs)…

计算机视觉与模式识别 · 计算机科学 2025-09-08 Shengqian Zhu , Jiafei Wu , Xiaogang Xu , Chengrong Yu , Ying Song , Zhang Yi , Guangjun Li , Junjie Hu

Automatic localization and segmentation of organs-at-risk (OAR) in CT are essential pre-processing steps in medical image analysis tasks, such as radiation therapy planning. For instance, the segmentation of OAR surrounding tumors enables…

计算机视觉与模式识别 · 计算机科学 2022-03-02 Fernando Navarro , Guido Sasahara , Suprosanna Shit , Ivan Ezhov , Jan C. Peeken , Stephanie E. Combs , Bjoern H. Menze

Accurate segmentation of organs or lesions from medical images is crucial for reliable diagnosis of diseases and organ morphometry. In recent years, convolutional encoder-decoder solutions have achieved substantial progress in the field of…

图像与视频处理 · 电气工程与系统科学 2022-07-12 Bingzhi Chen , Yishu Liu , Zheng Zhang , Guangming Lu , Adams Wai Kin Kong

Anomaly detection (AD), separating anomalies from normal data, has many applications across domains, from security to healthcare. While most previous works were shown to be effective for cases with fully or partially labeled data, that…

机器学习 · 计算机科学 2022-08-08 Jinsung Yoon , Kihyuk Sohn , Chun-Liang Li , Sercan O. Arik , Chen-Yu Lee , Tomas Pfister

Segmenting medical images is critical to facilitating both patient diagnoses and quantitative research. A major limiting factor is the lack of labeled data, as obtaining expert annotations for each new set of imaging data and task can be…

计算机视觉与模式识别 · 计算机科学 2024-06-27 Chen Liu , Matthew Amodio , Liangbo L. Shen , Feng Gao , Arman Avesta , Sanjay Aneja , Jay C. Wang , Lucian V. Del Priore , Smita Krishnaswamy

Temporal Action Localization (TAL) is a complex task that poses relevant challenges, particularly when attempting to generalize on new -- unseen -- domains in real-world applications. These scenarios, despite realistic, are often neglected…

计算机视觉与模式识别 · 计算机科学 2025-02-25 David Pujol-Perich , Albert Clapés , Sergio Escalera

The accurate diagnosis and segmentation of tumors in contrast-enhanced Computed Tomography (CT) are fundamentally driven by the distinctive hemodynamic profiles of contrast agents over time. However, in real-world clinical practice,…

计算机视觉与模式识别 · 计算机科学 2026-03-02 Zishuo Wan , Qinqin Kang , Na Li , Yi Huang , Qianru Zhang , Le Lu , Yun Bian , Dawei Ding , Ke Yan

Unsupervised domain adaptive (UDA) person re-identification (ReID) aims to transfer the knowledge from the labeled source domain to the unlabeled target domain for person matching. One challenge is how to generate target domain samples with…

计算机视觉与模式识别 · 计算机科学 2021-03-26 Zhizheng Zhang , Cuiling Lan , Wenjun Zeng , Quanzeng You , Zicheng Liu , Kecheng Zheng , Zhibo Chen

Early detection of patient deterioration is essential for timely treatment, with vital signs like heart rates being key health indicators. Existing methods tend to solely analyze vital sign waveforms, ignoring transition relationships of…

机器学习 · 计算机科学 2025-06-04 Lo Pang-Yun Ting , Zhen Tan , Hong-Pei Chen , Cheng-Te Li , Po-Lin Chen , Kun-Ta Chuang , Huan Liu