activity
20202024
most citedNot only Look, but also Listen: Learning Multimodal Violence Detection under Weak Supervision

27 citations · 66 across the 8 of their papers we have counts for

collaborators

8 papers

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★ 9 cited

VadCLIP: Adapting Vision-Language Models for Weakly Supervised Video Anomaly Detection

Peng Wu, Xuerong Zhou, Guansong Pang +4

The recent contrastive language-image pre-training (CLIP) model has shown great success in a wide range of image-level tasks, revealing remarkable ability for learning powerful vis…

cs.CV2023★ 2 cited

Towards Video Anomaly Retrieval from Video Anomaly Detection: New Benchmarks and Model

Peng Wu, Jing Liu, Xiangteng He +3

Video anomaly detection (VAD) has been paid increasing attention due to its potential applications, its current dominant tasks focus on online detecting anomalies% at the frame lev…

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.CV2022★ 8 cited

MemSeg: A semi-supervised method for image surface defect detection using differences and commonalities

Minghui Yang, Peng Wu, Jing Liu +1

Under the semi-supervised framework, we propose an end-to-end memory-based segmentation network (MemSeg) to detect surface defects on industrial products. Considering the small int…

cs.CV2021★ 8 cited

HANet: Hierarchical Alignment Networks for Video-Text Retrieval

Peng Wu, Xiangteng He, Mingqian Tang +2

Video-text retrieval is an important yet challenging task in vision-language understanding, which aims to learn a joint embedding space where related video and text instances are c…

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…