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Existing deepfake detectors face several challenges in achieving robustness and generalization. One of the primary reasons is their limited ability to extract relevant information from forgery videos, especially in the presence of various…

计算机视觉与模式识别 · 计算机科学 2023-05-01 Zhiyuan Yan , Peng Sun , Yubo Lang , Shuo Du , Shanzhuo Zhang , Wei Wang , Lei Liu

Humans recognize anomalies through two aspects: larger patch-wise representation discrepancies and weaker patch-to-normal-patch correlations. However, the previous AD methods didn't sufficiently combine the two complementary aspects to…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Xincheng Yao , Ruoqi Li , Zefeng Qian , Yan Luo , Chongyang Zhang

The proliferation of sophisticated AI-generated deepfakes poses critical challenges for digital media authentication and societal security. While existing detection methods perform well within specific generative domains, they exhibit…

计算机视觉与模式识别 · 计算机科学 2025-05-26 Naseem Khan , Tuan Nguyen , Amine Bermak , Issa Khalil

Multimodal learning aims to imitate human beings to acquire complementary information from multiple modalities for various downstream tasks. However, traditional aggregation-based multimodal fusion methods ignore the inter-modality…

计算机视觉与模式识别 · 计算机科学 2023-05-17 Heqing Zou , Meng Shen , Chen Chen , Yuchen Hu , Deepu Rajan , Eng Siong Chng

Anomaly segmentation plays a pivotal role in identifying atypical objects in images, crucial for hazard detection in autonomous driving systems. While existing methods demonstrate noteworthy results on synthetic data, they often fail to…

计算机视觉与模式识别 · 计算机科学 2023-10-17 Ji Zhang , Xiao Wu , Zhi-Qi Cheng , Qi He , Wei Li

Multimodal visual information fusion aims to integrate the multi-sensor data into a single image which contains more complementary information and less redundant features. However the complementary information is hard to extract, especially…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Hui Li , Xiao-Jun Wu

This paper proposed a novel anomaly detection (AD) approach of High-speed Train images based on convolutional neural networks and the Vision Transformer. Different from previous AD works, in which anomalies are identified with a single…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Zhixue Wang , Yu Zhang , Lin Luo , Nan Wang

Recently, multi-class anomaly classification has garnered increasing attention. Previous methods directly cluster anomalies but often struggle due to the lack of anomaly-prior knowledge. Acquiring this knowledge faces two issues: the…

计算机视觉与模式识别 · 计算机科学 2025-03-28 Ziming Huang , Xurui Li , Haotian Liu , Feng Xue , Yuzhe Wang , Yu Zhou

Simultaneously using multimodal inputs from multiple sensors to train segmentors is intuitively advantageous but practically challenging. A key challenge is unimodal bias, where multimodal segmentors over rely on certain modalities, causing…

计算机视觉与模式识别 · 计算机科学 2025-05-19 Xu Zheng , Haiwei Xue , Jialei Chen , Yibo Yan , Lutao Jiang , Yuanhuiyi Lyu , Kailun Yang , Linfeng Zhang , Xuming Hu

Video Anomaly Detection (VAD) is essential for computer vision research. Existing VAD methods utilize either reconstruction-based or prediction-based frameworks. The former excels at detecting irregular patterns or structures, whereas the…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Hongsong Wang , Andi Xu , Pinle Ding , Jie Gui

Detecting anomalies in traffic scenes is crucial for ensuring safety in autonomous driving, yet collecting representative anomalous data remains challenging. Existing anomaly detection methods are highly specialized and rely on normality as…

计算机视觉与模式识别 · 计算机科学 2026-05-20 Albert Schotschneider , Daniel Bogdoll , Svetlana Pavlitska , Ahmed Abouelazm , Johann Marius Zoellner

Video anomaly detection (VAD) is a challenging task that detects anomalous frames in continuous surveillance videos. Most previous work utilizes the spatio-temporal correlation of visual features to distinguish whether there are…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Guangyu Dai , Dong Chen , Siliang Tang , Yueting Zhuang

Given the widespread use of safety-critical applications in the automotive field, it is crucial to ensure the Functional Safety (FuSa) of circuits and components within automotive systems. The Analog and Mixed-Signal (AMS) circuits…

Audio-visual deepfakes have reached a level of realism that makes perceptual detection unreliable, threatening media integrity and biometric security. While multimodal detection has shown promise, most approaches are binary classification…

计算机视觉与模式识别 · 计算机科学 2026-04-30 Wasim Ahmad , Wei Zhang , Xuerui Mao

Accurate beam prediction is essential for maintaining reliable links and high spectral efficiency in dynamic low-altitude wireless networks. However, existing approaches often fail to capture the deep correlations across heterogeneous…

信号处理 · 电气工程与系统科学 2025-12-03 Xiaotong Zhao , Yuanhao Cui , Weijie Yuan , Ziye Jia , Heng Liu , Chengwen Xing

Remote sensing anomaly detector can find the objects deviating from the background as potential targets for Earth monitoring. Given the diversity in earth anomaly types, designing a transferring model with cross-modality detection ability…

计算机视觉与模式识别 · 计算机科学 2024-09-11 Jingtao Li , Xinyu Wang , Hengwei Zhao , Liangpei Zhang , Yanfei Zhong

Industrial anomaly detection is generally addressed as an unsupervised task that aims at locating defects with only normal training samples. Recently, numerous 2D anomaly detection methods have been proposed and have achieved promising…

计算机视觉与模式识别 · 计算机科学 2024-01-18 Yuanpeng Tu , Boshen Zhang , Liang Liu , Yuxi Li , Xuhai Chen , Jiangning Zhang , Yabiao Wang , Chengjie Wang , Cai Rong Zhao

While anomaly detection has made significant progress, generating detailed analyses that incorporate industrial knowledge remains a challenge. To address this gap, we introduce OmniAD, a novel framework that unifies anomaly detection and…

计算机视觉与模式识别 · 计算机科学 2025-05-29 Shifang Zhao , Yiheng Lin , Lu Han , Yao Zhao , Yunchao Wei

Unsupervised anomaly detection and localization is crucial to the practical application when collecting and labeling sufficient anomaly data is infeasible. Most existing representation-based approaches extract normal image features with a…

计算机视觉与模式识别 · 计算机科学 2021-11-17 Jiawei Yu , Ye Zheng , Xiang Wang , Wei Li , Yushuang Wu , Rui Zhao , Liwei Wu

Anomaly detection in medical imaging is to distinguish the relevant biomarkers of diseases from those of normal tissues. Deep supervised learning methods have shown potentials in various detection tasks, but its performances would be…

图像与视频处理 · 电气工程与系统科学 2021-12-01 Byungjai Kim , Kinam Kwon , Changheun Oh , Hyunwook Park