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相关论文: Skeletal Video Anomaly Detection using Deep Learni…

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A major challenge in DeepFake forgery detection is that state-of-the-art algorithms are mostly trained to detect a specific fake method. As a result, these approaches show poor generalization across different types of facial manipulations,…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Davide Cozzolino , Andreas Rössler , Justus Thies , Matthias Nießner , Luisa Verdoliva

Unsupervised (US) video anomaly detection (VAD) in surveillance applications is gaining more popularity recently due to its practical real-world applications. As surveillance videos are privacy sensitive and the availability of large-scale…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Anas Al-lahham , Muhammad Zaigham Zaheer , Nurbek Tastan , Karthik Nandakumar

We introduce Point2Skeleton, an unsupervised method to learn skeletal representations from point clouds. Existing skeletonization methods are limited to tubular shapes and the stringent requirement of watertight input, while our method aims…

计算机视觉与模式识别 · 计算机科学 2021-04-08 Cheng Lin , Changjian Li , Yuan Liu , Nenglun Chen , Yi-King Choi , Wenping Wang

The rapid expansion of data from diverse sources has made anomaly detection (AD) increasingly essential for identifying unexpected observations that may signal system failures, security breaches, or fraud. As datasets become more complex…

机器学习 · 计算机科学 2025-03-18 Haoqi Huang , Ping Wang , Jianhua Pei , Jiacheng Wang , Shahen Alexanian , Dusit Niyato

Due to the fast processing-speed and robustness it can achieve, skeleton-based action recognition has recently received the attention of the computer vision community. The recent Convolutional Neural Network (CNN)-based methods have shown…

计算机视觉与模式识别 · 计算机科学 2021-11-23 Han Chen , Yifan Jiang , Hanseok Ko

Skeleton-based motion visualization is a rising field in computer vision, especially in the case of virtual reality (VR). With further advancements in human-pose estimation and skeleton extracting sensors, more and more applications that…

计算机视觉与模式识别 · 计算机科学 2024-05-10 Thomas Carr , Depeng Xu , Aidong Lu

With the rise of cameras and smart sensors, humanity generates an exponential amount of data. This valuable information, including underrepresented cases like AI in medical settings, can fuel new deep-learning tools. However, data…

计算机视觉与模式识别 · 计算机科学 2023-12-19 Zikui Cai , Zhongpai Gao , Benjamin Planche , Meng Zheng , Terrence Chen , M. Salman Asif , Ziyan Wu

Individuals with Autism Spectrum Disorder (ASD) often experience challenges in health, communication, and sensory processing; therefore, early diagnosis is necessary for proper treatment and care. In this work, we consider the problem of…

计算机视觉与模式识别 · 计算机科学 2024-04-02 M. Serna-Aguilera , X. B. Nguyen , A. Singh , L. Rockers , S. Park , L. Neely , H. Seo , K. Luu

Generalizing deepfake detection to unseen manipulations remains a key challenge. A recent approach to tackle this issue is to train a network with pristine face images that have been manipulated with hand-crafted artifacts to extract more…

计算机视觉与模式识别 · 计算机科学 2026-04-13 Alejandro Cobo , Roberto Valle , José Miguel Buenaposada , Luis Baumela

Morphological methods play a crucial role in remote sensing image processing, due to their ability to capture and preserve small structural details. However, most of the existing deep learning models for semantic segmentation are based on…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Jun Xie , Wenxiao Li , Faqiang Wang , Liqiang Zhang , Zhengyang Hou , Jun Liu

This paper focuses on detecting anomalies in surveillance video using keywords by leveraging foundational models' feature representation generalization capabilities. We present a novel, lightweight pipeline for anomaly classification using…

计算机视觉与模式识别 · 计算机科学 2025-03-17 Thomas Foltz

The rise of deepfake technology brings forth new questions about the authenticity of various forms of media found online today. Videos and images generated by artificial intelligence (AI) have become increasingly more difficult to…

计算机视觉与模式识别 · 计算机科学 2025-07-28 Benjamin Carter , Nathan Dilla , Micheal Callahan , Atuhaire Ambala

Computer vision has evolved in the last decade as a key technology for numerous applications replacing human supervision. In this paper, we present a survey on relevant visual surveillance related researches for anomaly detection in public…

计算机视觉与模式识别 · 计算机科学 2020-12-17 Santhosh Kelathodi Kumaran , Debi Prosad Dogra , Partha Pratim Roy

Video anomaly detection is a challenging task in the computer vision community. Most single task-based methods do not consider the independence of unique spatial and temporal patterns, while two-stream structures lack the exploration of the…

计算机视觉与模式识别 · 计算机科学 2022-07-28 Yang Liu , Jing Liu , Mengyang Zhao , Dingkang Yang , Xiaoguang Zhu , Liang Song

In this paper, we present a novel deep learning based approach for addressing the problem of interaction recognition from a first person perspective. The proposed approach uses a pair of convolutional neural networks, whose parameters are…

计算机视觉与模式识别 · 计算机科学 2017-09-20 Swathikiran Sudhakaran , Oswald Lanz

Deep Learning (DL) is vulnerable to out-of-distribution and adversarial examples resulting in incorrect outputs. To make DL more robust, several posthoc (or runtime) anomaly detection techniques to detect (and discard) these anomalous…

机器学习 · 计算机科学 2021-02-23 Saikiran Bulusu , Bhavya Kailkhura , Bo Li , Pramod K. Varshney , Dawn Song

We present a local anomaly detection method in videos. As opposed to most existing methods that are computationally expensive and are not very generalizable across different video scenes, we propose an adversarial framework that learns the…

计算机视觉与模式识别 · 计算机科学 2021-06-14 Pankaj Raj Roy , Guillaume-Alexandre Bilodeau , Lama Seoud

With the rapid development of short video platforms, recommendation systems have become key technologies for improving user experience and enhancing platform engagement. However, while short video recommendation systems leverage multimodal…

信息检索 · 计算机科学 2025-04-15 Haowei Yang , Lei Fu , Qingyi Lu , Yue Fan , Tianle Zhang , Ruohan Wang

Deeplearning has been used to solve complex problems in various domains. As it advances, it also creates applications which become a major threat to our privacy, security and even to our Democracy. Such an application which is being…

计算机视觉与模式识别 · 计算机科学 2020-09-17 Rahul U , Ragul M , Raja Vignesh K , Tejeswinee K

Progress in video anomaly detection research is currently slowed by small datasets that lack a wide variety of activities as well as flawed evaluation criteria. This paper aims to help move this research effort forward by introducing a…

计算机视觉与模式识别 · 计算机科学 2020-01-27 Bharathkumar Ramachandra , Michael Jones
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