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Related papers: TimeLens: Rethinking Video Temporal Grounding with…

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Long video understanding is a complex task that requires both spatial detail and temporal awareness. While Vision-Language Models (VLMs) obtain frame-level understanding capabilities through multi-frame input, they suffer from information…

Computer Vision and Pattern Recognition · Computer Science 2025-04-10 Ziyi Wang , Haoran Wu , Yiming Rong , Deyang Jiang , Yixin Zhang , Yunlong Zhao , Shuang Xu , Bo XU

We propose a novel framework for open-ended video question answering that enhances reasoning depth and robustness in complex real-world scenarios, as benchmarked on the CVRR-ES dataset. Existing Video-Large Multimodal Models (Video-LMMs)…

Computer Vision and Pattern Recognition · Computer Science 2025-07-21 Jun Xie , Zhaoran Zhao , Xiongjun Guan , Yingjian Zhu , Hongzhu Yi , Xinming Wang , Feng Chen , Zhepeng Wang

Recently, there is a surge in interest surrounding video large language models (Video LLMs). However, existing benchmarks fail to provide a comprehensive feedback on the temporal perception ability of Video LLMs. On the one hand, most of…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Yuanxin Liu , Shicheng Li , Yi Liu , Yuxiang Wang , Shuhuai Ren , Lei Li , Sishuo Chen , Xu Sun , Lu Hou

Vision-language models (VLMs) demonstrate strong image-level scene understanding but often lack persistent memory, explicit spatial representations, and computational efficiency when reasoning over long video sequences. We present VL-KnG, a…

Large language models (LLMs) have revolutionized video-based computer vision applications, including action recognition, anomaly detection, and video summarization. Videos inherently pose unique challenges, combining spatial complexity with…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Xi Ding , Lei Wang

Grounding language queries in videos aims at identifying the time interval (or moment) semantically relevant to a language query. The solution to this challenging task demands understanding videos' and queries' semantic content and the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Mattia Soldan , Mengmeng Xu , Sisi Qu , Jesper Tegner , Bernard Ghanem

Video Temporal Grounding (VTG) aims to extract relevant video segments based on a given natural language query. Recently, zero-shot VTG methods have gained attention by leveraging pretrained vision-language models (VLMs) to localize target…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Jin-Seop Lee , SungJoon Lee , Jaehan Ahn , YunSeok Choi , Jee-Hyong Lee

Video recognition in an open and dynamic world is quite challenging, as we need to handle different settings such as close-set, long-tail, few-shot and open-set. By leveraging semantic knowledge from noisy text descriptions crawled from the…

Computer Vision and Pattern Recognition · Computer Science 2022-12-06 Jintao Lin , Zhaoyang Liu , Wenhai Wang , Wayne Wu , Limin Wang

Recent breakthroughs in Multimodal Large Language Models (MLLMs) have gained significant recognition within the deep learning community, where the fusion of the Video Foundation Models (VFMs) and Large Language Models(LLMs) has proven…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Quan Zhang , Jinwei Fang , Rui Yuan , Xi Tang , Yuxin Qi , Ke Zhang , Chun Yuan

Vision-Language Foundation Models (VLFMs) have made remarkable progress on various multimodal tasks, such as image captioning, image-text retrieval, visual question answering, and visual grounding. However, most methods rely on training…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Yue Zhou , Zhihang Zhong , Xue Yang

In the time-series domain, an increasing number of works combine text with temporal data to leverage the reasoning capabilities of large language models (LLMs) for various downstream time-series understanding tasks. This enables a single…

Computation and Language · Computer Science 2025-11-11 Zhirui Zhang , Changhua Pei , Tianyi Gao , Zhe Xie , Yibo Hao , Zhaoyang Yu , Longlong Xu , Tong Xiao , Jing Han , Dan Pei

Driven by the wave of large language models, Video-Language Models (VLMs) have become a significant yet challenging technology to bridge the gap between videos and texts. Although previous VLM works have made significant progress, almost…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Xiang Fang , Wanlong Fang , Changshuo Wang , Xiaoye Qu , Daizong Liu

We introduce UniGen, a unified multimodal large language model (MLLM) capable of image understanding and generation. We study the full training pipeline of UniGen from a data-centric perspective, including multi-stage pre-training,…

Computer Vision and Pattern Recognition · Computer Science 2025-05-21 Rui Tian , Mingfei Gao , Mingze Xu , Jiaming Hu , Jiasen Lu , Zuxuan Wu , Yinfei Yang , Afshin Dehghan

Video-based large language models (Video-LLMs) have been recently introduced, targeting both fundamental improvements in perception and comprehension, and a diverse range of user inquiries. In pursuit of the ultimate goal of achieving…

Computer Vision and Pattern Recognition · Computer Science 2023-11-29 Munan Ning , Bin Zhu , Yujia Xie , Bin Lin , Jiaxi Cui , Lu Yuan , Dongdong Chen , Li Yuan

Visual language tracking (VLT) has emerged as a cutting-edge research area, harnessing linguistic data to enhance algorithms with multi-modal inputs and broadening the scope of traditional single object tracking (SOT) to encompass video…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Xuchen Li , Shiyu Hu , Xiaokun Feng , Dailing Zhang , Meiqi Wu , Jing Zhang , Kaiqi Huang

The remarkable natural language understanding, reasoning, and generation capabilities of large language models (LLMs) have made them attractive for application to video understanding, utilizing video tokens as contextual input. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-09-25 Jiaqi Xu , Cuiling Lan , Wenxuan Xie , Xuejin Chen , Yan Lu

Video Large Language Models (Video LLMs) have shown promising capabilities in video comprehension, yet they struggle with tracking temporal changes and reasoning about temporal relationships. While previous research attributed this…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Lei Li , Yuanxin Liu , Linli Yao , Peiyuan Zhang , Chenxin An , Lean Wang , Xu Sun , Lingpeng Kong , Qi Liu

Large video language models (LVLMs) have made notable progress in video understanding, spurring the development of corresponding evaluation benchmarks. However, existing benchmarks generally assess overall performance across entire video…

Computer Vision and Pattern Recognition · Computer Science 2025-09-01 Hou Xia , Zheren Fu , Fangcan Ling , Jiajun Li , Yi Tu , Zhendong Mao , Yongdong Zhang

Video Large Language Models (Vid-LLMs) have made remarkable advancements in comprehending video content for QA dialogue. However, they struggle to extend this visual understanding to tasks requiring precise temporal localization, known as…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Yongliang Wu , Xinting Hu , Yuyang Sun , Yizhou Zhou , Wenbo Zhu , Fengyun Rao , Bernt Schiele , Xu Yang

We propose VideoPerceiver, a novel video multimodal large language model (VMLLM) that enhances fine-grained perception in video understanding, addressing VMLLMs' limited ability to reason about brief actions in short clips or rare transient…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Fufangchen Zhao , Liao Zhang , Daiqi Shi , Yuanjun Gao , Chen Ye , Yang Cai , Jian Gao , Danfeng Yan