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Multimodal Large Language Models (MLLMs) have demonstrated significant capabilities in image understanding, but long-video are constrained by context windows and computational cost. Uniform frame sampling often leads to substantial…

Machine Learning · Computer Science 2025-10-17 Yifeng Yao , Yike Yun , Jing Wang , Huishuai Zhang , Dongyan Zhao , Ke Tian , Zhihao Wang , Minghui Qiu , Tao Wang

Current video-language models struggle with long-video understanding due to limited context lengths and reliance on sparse frame subsampling, often leading to information loss. This paper introduces $\infty$-Video, which can process…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Saul Santos , António Farinhas , Daniel C. McNamee , André F. T. Martins

The efficacy of video generation models heavily depends on the quality of their training datasets. Most previous video generation models are trained on short video clips, while recently there has been increasing interest in training long…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Tianwei Xiong , Yuqing Wang , Daquan Zhou , Zhijie Lin , Jiashi Feng , Xihui Liu

Recently, multimodal large language models have made significant advancements in video understanding tasks. However, their ability to understand unprocessed long videos is very limited, primarily due to the difficulty in supporting the…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Yiwei Sun , Zhihang Liu , Chuanbin Liu , Bowei Pu , Zhihan Zhang , Hongtao Xie

Contrastive vision-language models like CLIP have achieved impressive results in image-text retrieval by aligning image and text representations in a shared embedding space. However, these models often treat text as flat sequences, limiting…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Ruijia Wu , Ping Chen , Fei Shen , Shaoan Zhao , Qiang Hui , Huanlin Gao , Ting Lu , Zhaoxiang Liu , Fang Zhao , Kai Wang , Shiguo Lian

Current video generation models excel at creating short, realistic clips, but struggle with longer, multi-scene videos. We introduce \texttt{DreamFactory}, an LLM-based framework that tackles this challenge. \texttt{DreamFactory} leverages…

Artificial Intelligence · Computer Science 2024-08-22 Zhifei Xie , Daniel Tang , Dingwei Tan , Jacques Klein , Tegawend F. Bissyand , Saad Ezzini

Multimodal large language models (MLLMs) represent images and video frames as visual tokens. Scaling from single images to hour-long videos, however, inflates the token budget far beyond practical limits. Popular pipelines therefore either…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Zirui Zhu , Hailun Xu , Yang Luo , Yong Liu , Kanchan Sarkar , Zhenheng Yang , Yang You

We introduce a cutting-edge video compression framework tailored for the age of ubiquitous video data, uniquely designed to serve machine learning applications. Unlike traditional compression methods that prioritize human visual perception,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-25 Huan Cui , Qing Li , Hanling Wang , Yong jiang

Diffusion models have demonstrated remarkable performance in image and video synthesis. However, scaling them to high-resolution inputs is challenging and requires restructuring the diffusion pipeline into multiple independent components,…

Computer Vision and Pattern Recognition · Computer Science 2024-06-13 Ivan Skorokhodov , Willi Menapace , Aliaksandr Siarohin , Sergey Tulyakov

Recently, learned video compression (LVC) is undergoing a period of rapid development. However, due to absence of large and high-quality high dynamic range (HDR) video training data, LVC on HDR video is still unexplored. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Zhaoyi Tian , Feifeng Wang , Shiwei Wang , Zihao Zhou , Yao Zhu , Liquan Shen

The use of Recurrent Neural Networks for video captioning has recently gained a lot of attention, since they can be used both to encode the input video and to generate the corresponding description. In this paper, we present a recurrent…

Computer Vision and Pattern Recognition · Computer Science 2018-11-26 Lorenzo Baraldi , Costantino Grana , Rita Cucchiara

Video tokenizers are essential for latent video diffusion models, converting raw video data into spatiotemporally compressed latent spaces for efficient training. However, extending state-of-the-art video tokenizers to achieve a temporal…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Aniruddha Mahapatra , Long Mai , David Bourgin , Yitian Zhang , Feng Liu

Benefiting from the advancements in large language models and cross-modal alignment, existing multi-modal video understanding methods have achieved prominent performance in offline scenario. However, online video streams, as one of the most…

Computer Vision and Pattern Recognition · Computer Science 2024-07-02 Haoji Zhang , Yiqin Wang , Yansong Tang , Yong Liu , Jiashi Feng , Jifeng Dai , Xiaojie Jin

Recent Large Language Models have been enhanced with vision capabilities, enabling them to comprehend images, videos, and interleaved vision-language content. However, the learning methods of these large multimodal models typically treat…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Joya Chen , Zhaoyang Lv , Shiwei Wu , Kevin Qinghong Lin , Chenan Song , Difei Gao , Jia-Wei Liu , Ziteng Gao , Dongxing Mao , Mike Zheng Shou

Large Multimodal Models (LMMs) have demonstrated exceptional performance in video captioning tasks, particularly for short videos. However, as the length of the video increases, generating long, detailed captions becomes a significant…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Hongchen Wei , Zhihong Tan , Yaosi Hu , Chang Wen Chen , Zhenzhong Chen

Vision-Language Models (VLMs) encode images and videos into abundant tokens, which contain substantial redundancy and computation cost. While visual token pruning mitigates the issue, most existing methods lack insight into the intrinsic…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Jizhihui Liu , Feiyi Du , Guangdao Zhu , Niu Lian , Jun Li , Bin Chen , Weili Guan , Yaowei Wang

Multimodal and large language models (LLMs) have revolutionized the utilization of open-world knowledge, unlocking novel potentials across various tasks and applications. Among these domains, the video domain has notably benefited from…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Donghoon Han , Seunghyeon Seo , Eunhwan Park , Seong-Uk Nam , Nojun Kwak

Recent advancements in video generation have primarily leveraged diffusion models for short-duration content. However, these approaches often fall short in modeling complex narratives and maintaining character consistency over extended…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Canyu Zhao , Mingyu Liu , Wen Wang , Weihua Chen , Fan Wang , Hao Chen , Bo Zhang , Chunhua Shen

Video Multimodal Large Language Models~(Video-MLLM) have achieved remarkable advancements in video understanding tasks. However, constrained by the context length limitation in the underlying LLMs, existing Video-MLLMs typically exhibit…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Kuo Wang , Quanlong Zheng , Junlin Xie , Yanhao Zhang , Jinguo Luo , Haonan Lu , Liang Lin , Fan Zhou , Guanbin Li

The advent of Large Multimodal Models (LMMs) has significantly enhanced Large Language Models (LLMs) to process and interpret diverse data modalities (e.g., image and video). However, as input complexity increases, particularly with long…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Shilin Yan , Jiaming Han , Joey Tsai , Hongwei Xue , Rongyao Fang , Lingyi Hong , Ziyu Guo , Ray Zhang