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Generative models have demonstrated significant success in anomaly detection and segmentation over the past decade. Recently, diffusion models have emerged as a powerful alternative, outperforming previous approaches such as GANs and VAEs.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Mehrdad Moradi , Marco Grasso , Bianca Maria Colosimo , Kamran Paynabar

We introduce Text-based Explainable Video Anomaly Detection (TbVAD), a language-driven framework for weakly supervised video anomaly detection that performs anomaly detection and explanation entirely within the textual domain. Unlike…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Hari Lee

Recent large vision-language models have achieved strong performance on short- and medium-length video understanding, yet they remain inadequate for ultra-long or even infinite video reasoning, where models must preserve coherent memory…

Artificial Intelligence · Computer Science 2026-05-08 Peizheng Yan , Yu Zhao , Liang Xie , Juntong Qi , Mingming Wang , Erwei Yin

We present a parameter-efficient method for continual video question-answering (VidQA) learning. Our method, named DAM, uses the proposed Dynamic Adapter Merging to (i) mitigate catastrophic forgetting, (ii) enable efficient adaptation to…

Computer Vision and Pattern Recognition · Computer Science 2024-04-24 Feng Cheng , Ziyang Wang , Yi-Lin Sung , Yan-Bo Lin , Mohit Bansal , Gedas Bertasius

Recent advances in synergizing large reasoning models (LRMs) with retrieval-augmented generation (RAG) have shown promising results, yet two critical challenges remain: (1) reasoning models typically operate from a single, unchallenged…

Artificial Intelligence · Computer Science 2026-01-12 Can Xu , Lingyong Yan , Jiayi Wu , Haosen Wang , Shuaiqiang Wang , Yuchen Li , Jizhou Huang , Dawei Yin , Xiang Li

Document Question Answering (DocQA) is a very common task. Existing methods using Large Language Models (LLMs) or Large Vision Language Models (LVLMs) and Retrieval Augmented Generation (RAG) often prioritize information from a single…

Machine Learning · Computer Science 2025-03-19 Siwei Han , Peng Xia , Ruiyi Zhang , Tong Sun , Yun Li , Hongtu Zhu , Huaxiu Yao

When building artificial intelligence systems that can reason and answer questions about visual data, we need diagnostic tests to analyze our progress and discover shortcomings. Existing benchmarks for visual question answering can help,…

Computer Vision and Pattern Recognition · Computer Science 2016-12-22 Justin Johnson , Bharath Hariharan , Laurens van der Maaten , Li Fei-Fei , C. Lawrence Zitnick , Ross Girshick

Social media has evolved into a complex multimodal environment where text, images, and other signals interact to shape nuanced meanings, often concealing harmful intent. Identifying such intent, whether sarcasm, hate speech, or…

Artificial Intelligence · Computer Science 2025-09-09 Rui Lu , Jinhe Bi , Yunpu Ma , Feng Xiao , Yuntao Du , Yijun Tian

Video Anomaly Detection~(VAD) focuses on identifying anomalies within videos. Supervised methods require an amount of in-domain training data and often struggle to generalize to unseen anomalies. In contrast, training-free methods leverage…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Yihua Shao , Haojin He , Sijie Li , Siyu Chen , Xinwei Long , Fanhu Zeng , Yuxuan Fan , Muyang Zhang , Ziyang Yan , Ao Ma , Xiaochen Wang , Hao Tang , Yan Wang , Shuyan Li

Game publishers and anti-cheat companies have been unsuccessful in blocking cheating in online gaming. We propose a novel, vision-based approach that captures the final state of the frame buffer and detects illicit overlays. To this aim, we…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Aditya Jonnalagadda , Iuri Frosio , Seth Schneider , Morgan McGuire , Joohwan Kim

Multi-agent debate (MAD) systems leverage collective intelligence to enhance reasoning capabilities, yet existing approaches struggle to simultaneously optimize accuracy, consensus formation, and computational efficiency. Static topology…

Artificial Intelligence · Computer Science 2026-03-02 Chao Wang , Han Lin , Huaze Tang , Huijing Lin , Wenbo Ding

Video reasoning has advanced with large multimodal models (LMMs), yet their inference is often a single pass that returns an answer without verifying whether the reasoning is evidence-aligned. We introduce Reinforce to Learn, Elect to…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Songyuan Yang , Weijiang Yu , Jilin Ma , Ziyu Liu , Guijian Tang , Wenjing Yang , Huibin Tan , Nong Xiao

With the rapid advancement of generative AI, synthetic content across images, videos, and audio has become increasingly realistic, amplifying the risk of misinformation. Existing detection approaches predominantly focus on binary…

Machine Learning · Computer Science 2025-07-23 Xu Yang , Qi Zhang , Shuming Jiang , Yaowen Xu , Zhaofan Zou , Hao Sun , Xuelong Li

Diffusion models can generate realistic videos, but existing methods rely on implicitly learning physical reasoning from large-scale text-video datasets, which is costly, difficult to scale, and still prone to producing implausible motions…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Yutong Hao , Chen Chen , Ajmal Saeed Mian , Chang Xu , Daochang Liu

With the increasing prevalence of synthetic images, evaluating image authenticity and locating forgeries accurately while maintaining human interpretability remains a challenging task. Existing detection models primarily focus on simple…

Computer Vision and Pattern Recognition · Computer Science 2026-02-02 Zhuokang Shen , Kaisen Zhang , Bohan Jia , Heming Jia , Yuan Fang , Zhou Yu , Shaohui Lin

Long-form video reasoning remains a major challenge for Video Large Language Models (Video LLMs), as static uniform frame sampling leads to information dilution and obscures critical evidence. Furthermore, existing pixel-space video…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Xuchen Li , Xuzhao Li , Shiyu Hu , Kaiqi Huang

Talking head video generation aims to produce a synthetic human face video that contains the identity and pose information respectively from a given source image and a driving video.Existing works for this task heavily rely on 2D…

Computer Vision and Pattern Recognition · Computer Science 2022-03-16 Fa-Ting Hong , Longhao Zhang , Li Shen , Dan Xu

Video-based AI systems are increasingly adopted in safety-critical domains such as autonomous driving and healthcare. However, interpreting their decisions remains challenging due to the inherent spatiotemporal complexity of video data and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Payal Varshney , Adriano Lucieri , Christoph Balada , Sheraz Ahmed , Andreas Dengel

Extending the capabilities of Large Language Models (LLMs) with functions or tools for environment interaction has led to the emergence of the agent paradigm. In industry, training an LLM is not always feasible because of the scarcity of…

Computation and Language · Computer Science 2025-01-14 Saptarshi Sengupta , Harsh Vashistha , Kristal Curtis , Akshay Mallipeddi , Abhinav Mathur , Joseph Ross , Liang Gou

With the rapid advancement of AIGC technology, developing identification methods to address the security challenges posed by deepfakes has become urgent. Face forgery identification techniques can be categorized into two types: traditional…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Binjia Zhou , Dawei Luo , Shuai Chen , Feng Xu , Seow , Haoyuan Li , Jiachi Wang , Jiawen Wang , Zunlei Feng , Yijun Bei