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Despite rapid advancements in video generation models, aligning their outputs with complex user intent remains challenging. Existing test-time optimization methods are typically either computationally expensive or require white-box access…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Yiwen Song , Tomas Pfister , Yale Song

Vision Language Models (VLMs) struggle with long-form videos due to the quadratic complexity of attention mechanisms. We propose Language-Guided Temporal Token Pruning (LGTTP), which leverages temporal cues from queries to adaptively prune…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Yogesh Kumar

Multimedia information retrieval from videos remains a challenging problem. While recent systems have advanced multimodal search through semantic, object, and OCR queries - and can retrieve temporally consecutive scenes - they often rely on…

Information Retrieval · Computer Science 2025-12-09 Van-Thinh Vo , Minh-Khoi Nguyen , Minh-Huy Tran , Anh-Quan Nguyen-Tran , Duy-Tan Nguyen , Khanh-Loi Nguyen , Anh-Minh Phan

Audio-Visual Video Parsing (AVVP) task aims to parse the event categories and occurrence times from audio and visual modalities in a given video. Existing methods usually focus on implicitly modeling audio and visual features through weak…

Multimedia · Computer Science 2025-05-06 Yaru Chen , Peiliang Zhang , Fei Li , Faegheh Sardari , Ruohao Guo , Zhenbo Li , Wenwu Wang

Recent advancements in large language models (LLMs) and multi-modal LLMs have been remarkable. However, these models still rely solely on their parametric knowledge, which limits their ability to generate up-to-date information and…

Artificial Intelligence · Computer Science 2025-04-22 Zihan Ling , Zhiyao Guo , Yixuan Huang , Yi An , Shuai Xiao , Jinsong Lan , Xiaoyong Zhu , Bo Zheng

Reinforcement Learning with Verifiable Rewards (RLVR) has substantially advanced the video understanding capabilities of Multimodal Large Language Models (MLLMs). However, the rapid progress of MLLMs is outpacing the complexity of existing…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Zefeng He , Xiaoye Qu , Yafu Li , Siyuan Huang , Daizong Liu , Yu Cheng

Video retrieval requires aligning visual content with corresponding natural language descriptions. In this paper, we introduce Modality Auxiliary Concepts for Video Retrieval (MAC-VR), a novel approach that leverages modality-specific tags…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Adriano Fragomeni , Dima Damen , Michael Wray

We propose the Multi-modal Untrimmed Video Retrieval task, along with a new benchmark (MUVR) to advance video retrieval for long-video platforms. MUVR aims to retrieve untrimmed videos containing relevant segments using multi-modal queries.…

Computer Vision and Pattern Recognition · Computer Science 2025-10-27 Yue Feng , Jinwei Hu , Qijia Lu , Jiawei Niu , Li Tan , Shuo Yuan , Ziyi Yan , Yizhen Jia , Qingzhi He , Shiping Ge , Ethan Q. Chen , Wentong Li , Limin Wang , Jie Qin

Recent advancements in video-language understanding have been established on the foundation of image-text models, resulting in promising outcomes due to the shared knowledge between images and videos. However, video-language understanding…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Xiao Wang , Yaoyu Li , Tian Gan , Zheng Zhang , Jingjing Lv , Liqiang Nie

Online video web content is richly multimodal: a single video blends vision, speech, ambient audio, and on-screen text. Retrieval systems typically treat these modalities as independent retrieval sources, which can lead to noisy and subpar…

Computer Vision and Pattern Recognition · Computer Science 2025-06-09 David Wan , Han Wang , Elias Stengel-Eskin , Jaemin Cho , Mohit Bansal

Multimodal Large Language Models (MLLMs) perform well in video understanding but degrade on long videos due to fixed-length context and weak long-term dependency modeling. Retrieval-Augmented Generation (RAG) can expand knowledge…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Zhucun Xue , Jiangning Zhang , Xurong Xie , Yuxuan Cai , Yong Liu , Xiangtai Li , Dacheng Tao

Understanding the content of events occurring in the video and their inherent temporal logic is crucial for video-text retrieval. However, web-crawled pre-training datasets often lack sufficient event information, and the widely adopted…

Computer Vision and Pattern Recognition · Computer Science 2024-07-11 Zongyang Ma , Ziqi Zhang , Yuxin Chen , Zhongang Qi , Chunfeng Yuan , Bing Li , Yingmin Luo , Xu Li , Xiaojuan Qi , Ying Shan , Weiming Hu

The video reasoning ability of multimodal large language models (MLLMs) is crucial for downstream tasks like video question answering and temporal grounding. While recent approaches have explored text-based chain-of-thought (CoT) reasoning…

Computer Vision and Pattern Recognition · Computer Science 2025-09-04 Haoji Zhang , Xin Gu , Jiawen Li , Chixiang Ma , Sule Bai , Chubin Zhang , Bowen Zhang , Zhichao Zhou , Dongliang He , Yansong Tang

Vision-Language Models (VLMs) are crucial for applications requiring integrated understanding textual and visual information. However, existing VLMs struggle with long videos due to computational inefficiency, memory limitations, and…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Anxhelo Diko , Tinghuai Wang , Wassim Swaileh , Shiyan Sun , Ioannis Patras

Recent advancements in video large language models (Video LLMs) have significantly advanced the field of video question answering (VideoQA). While existing methods perform well on short videos, they often struggle with long-range reasoning…

Computer Vision and Pattern Recognition · Computer Science 2025-07-02 Mustafa Chasmai , Gauri Jagatap , Gouthaman KV , Grant Van Horn , Subhransu Maji , Andrea Fanelli

Multimodal large language models (MLLMs) often struggle to ground reasoning in perceptual evidence. We present a systematic study of perception strategies-explicit, implicit, visual, and textual-across four multimodal benchmarks and two…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Yizhuo Ding , Mingkang Chen , Zhibang Feng , Tong Xiao , Wanying Qu , Wenqi Shao , Yanwei Fu

Short video platforms are evolving rapidly, making the identification of inappropriate content increasingly critical. Existing approaches typically train separate and small classification models for each type of issue, which requires…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Zixuan Wang , Yu Sun , Hongwei Wang , Baoyu Jing , Xiang Shen , Xin Dong , Zhuolin Hao , Hongyu Xiong , Yang Song

Long video understanding is challenging due to rich and complicated multimodal clues in long temporal range.Current methods adopt reasoning to improve the model's ability to analyze complex video clues in long videos via text-form…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Houlun Chen , Xin Wang , Guangyao Li , Yuwei Zhou , Yihan Chen , Jia Jia , Wenwu Zhu

We introduce VideoComp, a benchmark and learning framework for advancing video-text compositionality understanding, aimed at improving vision-language models (VLMs) in fine-grained temporal alignment. Unlike existing benchmarks focused on…

Computer Vision and Pattern Recognition · Computer Science 2025-04-11 Dahun Kim , AJ Piergiovanni , Ganesh Mallya , Anelia Angelova

Video moment retrieval (VMR) is to search for a visual temporal moment in an untrimmed raw video by a given text query description (sentence). Existing studies either start from collecting exhaustive frame-wise annotations on the temporal…

Computer Vision and Pattern Recognition · Computer Science 2024-06-05 Weitong Cai , Jiabo Huang , Shaogang Gong
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