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The Audio-Visual Event Localization (AVEL) task aims to temporally locate and classify video events that are both audible and visible. Most research in this field assumes a closed-set setting, which restricts these models' ability to handle…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 Jinxing Zhou , Dan Guo , Ruohao Guo , Yuxin Mao , Jingjing Hu , Yiran Zhong , Xiaojun Chang , Meng Wang

Abnormal event detection is one of the important objectives in research and practical applications of video surveillance. However, there are still three challenging problems for most anomaly detection systems in practical setting: limited…

Computer Vision and Pattern Recognition · Computer Science 2018-10-02 Hung Vu , Tu Dinh Nguyen , Dinh Phung

In modern intelligent video surveillance systems, automatic anomaly detection through computer vision analytics plays a pivotal role which not only significantly increases monitoring efficiency but also reduces the burden on live…

Computer Vision and Pattern Recognition · Computer Science 2020-04-14 Sijie Zhu , Chen Chen , Waqas Sultani

As Vision-Language Models (VLMs) advance, human-centered Assistive Technologies (ATs) for helping People with Visual Impairments (PVIs) are evolving into generalists, capable of performing multiple tasks simultaneously. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Xin Jiang , Junwei Zheng , Ruiping Liu , Jiahang Li , Jiaming Zhang , Sven Matthiesen , Rainer Stiefelhagen

Endotracheal suctioning (ES) is an invasive yet essential clinical procedure that requires a high degree of skill to minimize patient risk - particularly in home care and educational settings, where consistent supervision may be limited.…

Artificial Intelligence · Computer Science 2026-01-30 Hoang Khang Phan , Quang Vinh Dang , Noriyo Colley , Christina Garcia , Nhat Tan Le

Weakly-supervised temporal action localization aims to recognize and localize action segments in untrimmed videos given only video-level action labels for training. Without the boundary information of action segments, existing methods…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Bo He , Xitong Yang , Le Kang , Zhiyu Cheng , Xin Zhou , Abhinav Shrivastava

Vision Large Language Models (VLLMs) are widely acknowledged to be prone to hallucinations. Existing research addressing this problem has primarily been confined to image inputs, with limited exploration of video-based hallucinations.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-24 Wey Yeh Choong , Yangyang Guo , Mohan Kankanhalli

Multimodal Large Language Models (MLLMs), are recent advancement of Vision-Language Models (VLMs) that have driven major advances in video understanding. However, their vulnerability to adversarial tampering and manipulations remains…

Vision-language models (VLMs) are intensively used in many downstream tasks, including those requiring assessments of individuals appearing in the images. While VLMs perform well in simple single-person scenarios, in real-world…

Addressing hard cases in autonomous driving, such as anomalous road users, extreme weather conditions, and complex traffic interactions, presents significant challenges. To ensure safety, it is crucial to detect and manage these scenarios…

Computer Vision and Pattern Recognition · Computer Science 2024-06-03 Yi Yang , Qingwen Zhang , Kei Ikemura , Nazre Batool , John Folkesson

Crash detection from video feeds is a critical problem in intelligent transportation systems. Recent developments in large language models (LLMs) and vision-language models (VLMs) have transformed how we process, reason about, and summarize…

Computer Vision and Pattern Recognition · Computer Science 2025-09-10 Sanjeda Akter , Ibne Farabi Shihab , Anuj Sharma

Recent advancements in multi-modal large language models (MLLMs) have led to substantial improvements in visual understanding, primarily driven by sophisticated modality alignment strategies. However, predominant approaches prioritize…

Computer Vision and Pattern Recognition · Computer Science 2024-08-29 Jinjin Xu , Liwu Xu , Yuzhe Yang , Xiang Li , Fanyi Wang , Yanchun Xie , Yi-Jie Huang , Yaqian Li

Artificial Intelligence (AI) is revolutionizing scientific research, yet its growing integration into laboratory environments presents critical safety challenges. Large language models (LLMs) and vision language models (VLMs) now assist in…

Video Large Language Models (VideoLLMs) exhibit various types of hallucinations. Existing research has primarily focused on hallucinations involving the presence of events, objects, and scenes in videos, while largely neglecting event…

Computer Vision and Pattern Recognition · Computer Science 2026-01-16 Zefan Zhang , Kehua Zhu , Shijie Jiang , Hongyuan Lu , Shengkai Sun , Tian Bai

Consistent high-quality nursing care is essential for patient safety, yet current nursing education depends on subjective, time-intensive instructor feedback in training future nurses, which limits scalability and efficiency in their…

Artificial Intelligence · Computer Science 2025-09-23 Shen Chang , Dennis Liu , Renran Tian , Kristen L. Swartzell , Stacie L. Klingler , Amy M. Nagle , Nan Kong

As Video Large Language Models (VideoLLMs) are deployed globally, they require understanding of and grounding in the relevant cultural background. To properly assess these models' cultural awareness, adequate benchmarks are needed. We…

Computer Vision and Pattern Recognition · Computer Science 2025-10-10 Nikhil Reddy Varimalla , Yunfei Xu , Arkadiy Saakyan , Meng Fan Wang , Smaranda Muresan

Action localization in untrimmed videos is an important topic in the field of video understanding. However, existing action localization methods are restricted to a pre-defined set of actions and cannot localize unseen activities. Thus, we…

Computer Vision and Pattern Recognition · Computer Science 2019-07-01 Zhu Zhang , Zhou Zhao , Zhijie Lin , Jingkuan Song , Deng Cai

Towards open-ended Video Anomaly Detection (VAD), existing methods often exhibit biased detection when faced with challenging or unseen events and lack interpretability. To address these drawbacks, we propose Holmes-VAD, a novel framework…

Computer Vision and Pattern Recognition · Computer Science 2024-07-02 Huaxin Zhang , Xiaohao Xu , Xiang Wang , Jialong Zuo , Chuchu Han , Xiaonan Huang , Changxin Gao , Yuehuan Wang , Nong Sang

Weakly supervised video anomaly detection (WS-VAD) is tasked with pinpointing temporal intervals containing anomalous events within untrimmed videos, utilizing only video-level annotations. However, a significant challenge arises due to the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Yu Wang , Shiwei Chen

Vision Language Models (VLMs) perform well on standard video tasks but struggle with physics-related reasoning involving motion dynamics and spatial interactions. We present a novel approach to address this gap by translating physical-world…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Xiyang Wu , Zongxia Li , Jihui Jin , Guangyao Shi , Gouthaman KV , Vishnu Raj , Nilotpal Sinha , Jingxi Chen , Fan Du , Dinesh Manocha