1 code implementation • 30 Aug 2024 • Aofan Jiang, Chaoqin Huang, Qing Cao, Yuchen Xu, Zi Zeng, Kang Chen, Ya zhang, Yanfeng Wang
Current computer-aided ECG diagnostic systems struggle with the underdetection of rare but critical cardiac anomalies due to the imbalanced nature of ECG datasets.
1 code implementation • 13 Jun 2024 • Chaoqin Huang, Haoyan Guan, Aofan Jiang, Ya zhang, Michael Spratling, Xinchao Wang, Yanfeng Wang
At test time, an image and its corresponding support set, consisting of a few normal images from the same category, are supplied, and anomalies are identified by comparing the registered features of the test image to its corresponding support image features.
1 code implementation • 27 May 2024 • Shengchao Hu, Ziqing Fan, Chaoqin Huang, Li Shen, Ya zhang, Yanfeng Wang, DaCheng Tao
Recent advancements in offline reinforcement learning (RL) have underscored the capabilities of Conditional Sequence Modeling (CSM), a paradigm that learns the action distribution based on history trajectory and target returns for each state.
no code implementations • 7 Apr 2024 • Aofan Jiang, Chaoqin Huang, Qing Cao, Yuchen Xu, Zi Zeng, Kang Chen, Ya zhang, Yanfeng Wang
We introduce a novel self-supervised learning framework for ECG AD, utilizing a vast dataset of normal ECGs to autonomously detect and localize cardiac anomalies.
1 code implementation • CVPR 2024 • Chaoqin Huang, Aofan Jiang, Jinghao Feng, Ya zhang, Xinchao Wang, Yanfeng Wang
Recent advancements in large-scale visual-language pre-trained models have led to significant progress in zero-/few-shot anomaly detection within natural image domains.
no code implementations • 9 Aug 2023 • Chaoqin Huang, Aofan Jiang, Ya zhang, Yanfeng Wang
Anomaly detection has gained considerable attention due to its broad range of applications, particularly in industrial defect detection.
1 code implementation • 3 Aug 2023 • Aofan Jiang, Chaoqin Huang, Qing Cao, Shuang Wu, Zi Zeng, Kang Chen, Ya zhang, Yanfeng Wang
To address this challenge, this paper introduces a novel multi-scale cross-restoration framework for ECG anomaly detection and localization that considers both local and global ECG characteristics.
1 code implementation • 15 Jul 2022 • Chaoqin Huang, Haoyan Guan, Aofan Jiang, Ya zhang, Michael Spratling, Yan-Feng Wang
Inspired by how humans detect anomalies, i. e., comparing an image in question to normal images, we here leverage registration, an image alignment task that is inherently generalizable across categories, as the proxy task, to train a category-agnostic anomaly detection model.
Ranked #100 on Anomaly Detection on MVTec AD
no code implementations • 13 May 2022 • Chaoqin Huang, Qinwei Xu, Yanfeng Wang, Yu Wang, Ya zhang
To extend the reconstruction-based anomaly detection architecture to the localized anomalies, we propose a self-supervised learning approach through random masking and then restoring, named Self-Supervised Masking (SSM) for unsupervised anomaly detection and localization.
no code implementations • 7 Sep 2021 • Xiaoman Zhang, Weidi Xie, Chaoqin Huang, Yanfeng Wang, Ya zhang, Xin Chen, Qi Tian
In this paper, we target self-supervised representation learning for zero-shot tumor segmentation.
no code implementations • 9 Dec 2020 • Chaoqin Huang, Fei Ye, Peisen Zhao, Ya zhang, Yan-Feng Wang, Qi Tian
This paper explores semi-supervised anomaly detection, a more practical setting for anomaly detection where a small additional set of labeled samples are provided.
Ranked #27 on Anomaly Detection on One-class CIFAR-10 (using extra training data)
no code implementations • 9 Dec 2020 • Fei Ye, Huangjie Zheng, Chaoqin Huang, Ya zhang
Based on this object function we introduce a novel information theoretic framework for unsupervised image anomaly detection.
Ranked #9 on Anomaly Detection on One-class CIFAR-100
1 code implementation • 25 Nov 2019 • Chaoqin Huang, Fei Ye, Jinkun Cao, Maosen Li, Ya zhang, Cewu Lu
We here propose to break this equivalence by erasing selected attributes from the original data and reformulate it as a restoration task, where the normal and the anomalous data are expected to be distinguishable based on restoration errors.
Ranked #23 on Anomaly Detection on One-class CIFAR-10
no code implementations • CVPR 2018 • Bowen Pan, Wuwei Lin, Xiaolin Fang, Chaoqin Huang, Bolei Zhou, Cewu Lu
Deep convolutional neural networks (CNNs) have made impressive progress in many video recognition tasks such as video pose estimation and video object detection.