Abnormal Ratios Guided Multi-Phase Self-Training for Weakly-Supervised Video Anomaly Detection

H Shi, L Wang, S Zhou, G Hua… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Weakly-supervised Video Anomaly Detection (W-VAD) aims to detect abnormal events in
videos given only video-level labels for training. Recent methods relying on multiple …

A Novel Unsupervised Video Anomaly Detection Framework Based on Optical Flow Reconstruction and Erased Frame Prediction

H Huang, B Zhao, F Gao, P Chen, J Wang, A Hussain - Sensors, 2023 - mdpi.com
Reconstruction-based and prediction-based approaches are widely used for video anomaly
detection (VAD) in smart city surveillance applications. However, neither of these …

Savchoi: Detecting suspicious activities using dense video captioning with human object interactions

A Mittal, S Ghosal, R Bansal - arXiv preprint arXiv:2207.11838, 2022 - arxiv.org
Detecting suspicious activities in surveillance videos is a longstanding problem in real-time
surveillance that leads to difficulties in detecting crimes. Hence, we propose a novel …

A comprehensive review of datasets for detection and localization of video anomalies: a step towards data-centric artificial intelligence-based video anomaly detection

R Nayak, UC Pati, SK Das - Multimedia Tools and Applications, 2023 - Springer
Video anomaly detection and localization is one of the key components of the intelligent
video surveillance system. Video anomaly detection refers to the process of spatiotemporal …

Cognition Guided Video Anomaly Detection Framework for Surveillance Services

M Zhang, J Wang, Q Qi, Z Zhuang… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
The aim of surveillance services is to detect anomalous events that occur in given
surveillance videos. Most existing video anomaly detection methods rely on minimizing …

Imitating emergencies: Generating thermal surveillance fall data using low-cost human-like dolls

I Nikolov, J Liu, T Moeslund - Sensors, 2022 - mdpi.com
Outdoor fall detection, in the context of accidents, such as falling from heights or in water, is
a research area that has not received as much attention as other automated surveillance …

SIAVC: Semi-Supervised Framework for Industrial Accident Video Classification

Z Li, Q Lin, H Fan, T Zhao, D Zhang - arXiv preprint arXiv:2405.14506, 2024 - arxiv.org
Semi-supervised learning suffers from the imbalance of labeled and unlabeled training data
in the video surveillance scenario. In this paper, we propose a new semi-supervised …

Enhancing the Safety of Autonomous Vehicles: Semi-Supervised Anomaly Detection With Overhead Fisheye Perspective

D Tsiktsiris, A Lalas, M Dasygenis, K Votis - IEEE Access, 2024 - ieeexplore.ieee.org
Autonomous vehicles (AVs) have the potential to revolutionize transportation. However,
ensuring passenger safety within these vehicles in the absence of a dedicated onboard …

Self-Supervised Learning for Industrial Image Anomaly Detection by Simulating Anomalous Samples

M Pei, N Liu, B Zhao, H Sun - International Journal of Computational …, 2023 - Springer
Industrial image anomaly detection (AD) is a critical issue that has been investigated in
different research areas. Many works have attempted to detect anomalies by simulating …

Effective Surveillance using Computer Vision

A Marwaha, A Chirputkar… - … Conference on Sustainable …, 2023 - ieeexplore.ieee.org
Human society significantly relies on CCTV cameras to maintain a high standard of security.
CCTV footage is usually only utilized a few hours or days following an incident. Although it …