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Graph Anomaly Detection (GAD) is crucial for identifying abnormal entities within networks, garnering significant attention across various fields. Traditional unsupervised methods, which decode encoded latent representations of unlabeled…

Machine Learning · Computer Science 2025-02-26 Jinghan Li , Yuan Gao , Jinda Lu , Junfeng Fang , Congcong Wen , Hui Lin , Xiang Wang

Video-based person re-identification (reID) aims at matching the same person across video clips. It is a challenging task due to the existence of redundancy among frames, newly revealed appearance, occlusion, and motion blurs. In this…

Computer Vision and Pattern Recognition · Computer Science 2020-03-30 Zhizheng Zhang , Cuiling Lan , Wenjun Zeng , Zhibo Chen

Graph Anomaly Detection (GAD) aims to identify uncommon, deviated, or suspicious objects within graph-structured data. Existing methods generally focus on a single graph object type (node, edge, graph, etc.) and often overlook the inherent…

Machine Learning · Computer Science 2024-11-12 Yiqing Lin , Jianheng Tang , Chenyi Zi , H. Vicky Zhao , Yuan Yao , Jia Li

In this work, we apply an attention-gated network to real-time automated scan plane detection for fetal ultrasound screening. Scan plane detection in fetal ultrasound is a challenging problem due the poor image quality resulting in low…

Computer Vision and Pattern Recognition · Computer Science 2018-04-17 Jo Schlemper , Ozan Oktay , Liang Chen , Jacqueline Matthew , Caroline Knight , Bernhard Kainz , Ben Glocker , Daniel Rueckert

Echocardiogram video segmentation plays an important role in cardiac disease diagnosis. This paper studies the unsupervised domain adaption (UDA) for echocardiogram video segmentation, where the goal is to generalize the model trained on…

Computer Vision and Pattern Recognition · Computer Science 2023-09-21 Jiewen Yang , Xinpeng Ding , Ziyang Zheng , Xiaowei Xu , Xiaomeng Li

Medical image segmentation requires models that preserve fine anatomical boundaries while remaining practical for clinical deployment. Transformers capture long-range dependencies but incur quadratic attention cost, whereas CNNs are…

Computer Vision and Pattern Recognition · Computer Science 2026-05-04 Hongbo Zheng , Afshin Bozorgpour , Dorit Merhof , Minjia Zhang

We propose a new network architecture, Gated Attention Networks (GaAN), for learning on graphs. Unlike the traditional multi-head attention mechanism, which equally consumes all attention heads, GaAN uses a convolutional sub-network to…

Machine Learning · Computer Science 2018-03-21 Jiani Zhang , Xingjian Shi , Junyuan Xie , Hao Ma , Irwin King , Dit-Yan Yeung

Deep learning models have great potential in medical imaging, including orthodontics and skeletal maturity assessment. However, applying a model to data different from its training set can lead to unreliable predictions that may impact…

Image and Video Processing · Electrical Eng. & Systems 2025-05-15 Omid Halimi Milani , Amanda Nikho , Lauren Mills , Marouane Tliba , Ahmet Enis Cetin , Mohammed H. Elnagar

Graph anomaly detection (GAD) is a critical task in graph machine learning, with the primary objective of identifying anomalous nodes that deviate significantly from the majority. This task is widely applied in various real-world scenarios,…

Machine Learning · Computer Science 2025-07-03 Xiang Li , Jianpeng Qi , Zhongying Zhao , Guanjie Zheng , Lei Cao , Junyu Dong , Yanwei Yu

Most recent approaches for action recognition from video leverage deep architectures to encode the video clip into a fixed length representation vector that is then used for classification. For this to be successful, the network must be…

Computer Vision and Pattern Recognition · Computer Science 2018-08-30 Swathikiran Sudhakaran , Oswald Lanz

Graph-level anomaly detection (GAD) describes the problem of detecting graphs that are abnormal in their structure and/or the features of their nodes, as compared to other graphs. One of the challenges in GAD is to devise graph…

Computer Vision and Pattern Recognition · Computer Science 2021-12-21 Rongrong Ma , Guansong Pang , Ling Chen , Anton van den Hengel

Video summarization is an effective way to facilitate video searching and browsing. Most of existing systems employ encoder-decoder based recurrent neural networks, which fail to explicitly diversify the system-generated summary frames…

Computer Vision and Pattern Recognition · Computer Science 2020-09-24 Ping Li , Qinghao Ye , Luming Zhang , Li Yuan , Xianghua Xu , Ling Shao

Unsupervised graph-level anomaly detection (UGAD) has received remarkable performance in various critical disciplines, such as chemistry analysis and bioinformatics. Existing UGAD paradigms often adopt data augmentation techniques to…

Machine Learning · Computer Science 2024-05-07 Jindong Li , Qianli Xing , Qi Wang , Yi Chang

Domain adaptation (DA) for cardiac ultrasound image segmentation is clinically significant and valuable. However, previous domain adaptation methods are prone to be affected by the incomplete pseudo-label and low-quality target to source…

Computer Vision and Pattern Recognition · Computer Science 2025-02-07 Ruiyi Li , Yuting He , Rongjun Ge , Chong Wang , Daoqiang Zhang , Yang Chen , Shuo Li

Few-Shot Industrial Visual Anomaly Detection (FS-IVAD) comprises a critical task in modern manufacturing settings, where automated product inspection systems need to identify rare defects using only a handful of normal/defect-free training…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Aggelos Psiris , Yannis Panagakis , Maria Vakalopoulou , Georgios Th. Papadopoulos

Precise anomaly detection in medical images is critical for clinical decision-making. While recent unsupervised or semi-supervised anomaly detection methods trained on large-scale normal data show promising results, they lack fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Yue Zhou , Yuan Bi , Wenjuan Tong , Wei Wang , Nassir Navab , Zhongliang Jiang

Augmentation by generative modelling yields a promising alternative to the accumulation of surgical data, where ethical, organisational and regulatory aspects must be considered. Yet, the joint synthesis of (image, mask) pairs for…

Computer Vision and Pattern Recognition · Computer Science 2025-07-02 Yannik Frisch , Christina Bornberg , Moritz Fuchs , Anirban Mukhopadhyay

Graph anomaly detection (GAD), which aims to identify unusual graph instances (nodes, edges, subgraphs, or graphs), has attracted increasing attention in recent years due to its significance in a wide range of applications. Deep learning…

Machine Learning · Computer Science 2025-06-19 Hezhe Qiao , Hanghang Tong , Bo An , Irwin King , Charu Aggarwal , Guansong Pang

Existing video domain adaption (DA) methods need to store all temporal combinations of video frames or pair the source and target videos, which are memory cost expensive and can't scale up to long videos. To address these limitations, we…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Xinyue Hu , Lin Gu , Liangchen Liu , Ruijiang Li , Chang Su , Tatsuya Harada , Yingying Zhu

Medical Ultrasound (US) is one of the most widely used imaging modalities in clinical practice, but its usage presents unique challenges such as variable imaging quality. Deep Learning (DL) models can serve as advanced medical US image…

Image and Video Processing · Electrical Eng. & Systems 2023-10-06 Zhaoshan Liu , Qiujie Lv , Chau Hung Lee , Lei Shen
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