activity
20202025
most citedNot only Look, but also Listen: Learning Multimodal Violence Detection under Weak Supervision

27 citations · 47 across the 10 of their papers we have counts for

collaborators

10 papers

cs.CV2025

PANDA: Towards Generalist Video Anomaly Detection via Agentic AI Engineer

Zhiwei Yang, Chen Gao, Mike Zheng Shou

Video anomaly detection (VAD) is a critical yet challenging task due to the complex and diverse nature of real-world scenarios. Previous methods typically rely on domain-specific t…

cs.CV2025

Seeing Far and Clearly: Mitigating Hallucinations in MLLMs with Attention Causal Decoding

Feilong Tang, Chengzhi Liu, Zhongxing Xu +9

Recent advancements in multimodal large language models (MLLMs) have significantly improved performance in visual question answering. However, they often suffer from hallucinations…

cs.CV2025

SlowFastVAD: Video Anomaly Detection via Integrating Simple Detector and RAG-Enhanced Vision-Language Model

Zongcan Ding, Haodong Zhang, Peng Wu +4

Video anomaly detection (VAD) aims to identify unexpected events in videos and has wide applications in safety-critical domains. While semi-supervised methods trained on only norma…

cs.CV2025

AssistPDA: An Online Video Surveillance Assistant for Video Anomaly Prediction, Detection, and Analysis

Zhiwei Yang, Chen Gao, Jing Liu +3

The rapid advancements in large language models (LLMs) have spurred growing interest in LLM-based video anomaly detection (VAD). However, existing approaches predominantly focus on…

cs.CV2024

Weakly Supervised Video Anomaly Detection and Localization with Spatio-Temporal Prompts

Peng Wu, Xuerong Zhou, Guansong Pang +4

Current weakly supervised video anomaly detection (WSVAD) task aims to achieve frame-level anomalous event detection with only coarse video-level annotations available. Existing wo…

cs.CV2024★ 3 cited

Text Prompt with Normality Guidance for Weakly Supervised Video Anomaly Detection

Zhiwei Yang, Jing Liu, Peng Wu

Weakly supervised video anomaly detection (WSVAD) is a challenging task. Generating fine-grained pseudo-labels based on weak-label and then self-training a classifier is currently…

cs.CV2023★ 8 cited

SLSG: Industrial Image Anomaly Detection by Learning Better Feature Embeddings and One-Class Classification

Minghui Yang, Jing Liu, Zhiwei Yang +1

Industrial image anomaly detection under the setting of one-class classification has significant practical value. However, most existing models struggle to extract separable featur…

cs.CV2023★ 7 cited

Video Event Restoration Based on Keyframes for Video Anomaly Detection

Zhiwei Yang, Jing Liu, Zhaoyang Wu +2

Video anomaly detection (VAD) is a significant computer vision problem. Existing deep neural network (DNN) based VAD methods mostly follow the route of frame reconstruction or fram…

cs.CV2022★ 2 cited

Dynamic Local Aggregation Network with Adaptive Clusterer for Anomaly Detection

Zhiwei Yang, Peng Wu, Jing Liu +1

Existing methods for anomaly detection based on memory-augmented autoencoder (AE) have the following drawbacks: (1) Establishing a memory bank requires additional memory space. (2)…

cs.CV2020★ 27 cited

Not only Look, but also Listen: Learning Multimodal Violence Detection under Weak Supervision

Peng Wu, Jing Liu, Yujia Shi +4

Violence detection has been studied in computer vision for years. However, previous work are either superficial, e.g., classification of short-clips, and the single scenario, or un…