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Online video understanding is essential for applications like public surveillance and AI glasses. However, applying Multimodal Large Language Models (MLLMs) to this domain is challenging due to the large number of video frames, resulting in…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Xinqi Jin , Hanxun Yu , Bohan Yu , Kebin Liu , Jian Liu , Keda Tao , Yixuan Pei , Huan Wang , Fan Dang , Jiangchuan Liu , Weiqiang Wang

Vision-Language Models (VLMs) have become central to autonomous driving systems, yet their deployment is severely bottlenecked by the massive computational overhead of multi-view camera and multi-frame video input. Existing token pruning…

计算机视觉与模式识别 · 计算机科学 2026-04-22 Lin Sha , Haiyun Guo , Tao Wang , Cong Zhang , Min Huang , Jinqiao Wang , Qinghai Miao

For fine-grained categorization tasks, videos could serve as a better source than static images as videos have a higher chance of containing discriminative patterns. Nevertheless, a video sequence could also contain a lot of redundant and…

计算机视觉与模式识别 · 计算机科学 2018-10-29 Chen Zhu , Xiao Tan , Feng Zhou , Xiao Liu , Kaiyu Yue , Errui Ding , Yi Ma

Video understanding in multimodal language models remains limited by context length: models often miss key transition frames and struggle to maintain coherence across long time scales. To address this, we adapt Native Sparse Attention (NSA)…

计算机视觉与模式识别 · 计算机科学 2026-02-02 Enxin Song , Wenhao Chai , Shusheng Yang , Ethan Armand , Xiaojun Shan , Haiyang Xu , Jianwen Xie , Zhuowen Tu

While large scale pre-training has achieved great achievements in bridging the gap between vision and language, it still faces several challenges. First, the cost for pre-training is expensive. Second, there is no efficient way to handle…

计算与语言 · 计算机科学 2021-09-23 Jue Wang , Haofan Wang , Jincan Deng , Weijia Wu , Debing Zhang

In recent years, text-to-video retrieval methods based on CLIP have experienced rapid development. The primary direction of evolution is to exploit the much wider gamut of visual and textual cues to achieve alignment. Concretely, those…

计算机视觉与模式识别 · 计算机科学 2024-01-02 Kaibin Tian , Yanhua Cheng , Yi Liu , Xinglin Hou , Quan Chen , Han Li

Contemporary Video Instance Segmentation (VIS) methods typically adhere to a pre-train then fine-tune regime, where a segmentation model trained on images is fine-tuned on videos. However, the lack of temporal knowledge in the pre-trained…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Qing Zhong , Peng-Tao Jiang , Wen Wang , Guodong Ding , Lin Wu , Kaiqi Huang

With the rise of short videos, the demand for selecting appropriate background music (BGM) for a video has increased significantly, video-music retrieval (VMR) task gradually draws much attention by research community. As other cross-modal…

多媒体 · 计算机科学 2023-02-21 Xuxin Cheng , Zhihong Zhu , Hongxiang Li , Yaowei Li , Yuexian Zou

Cross-modal retrieval between videos and texts has gained increasing research interest due to the rapid emergence of videos on the web. Generally, a video contains rich instance and event information and the query text only describes a part…

计算机视觉与模式识别 · 计算机科学 2022-09-28 Chengzhi Lin , Ancong Wu , Junwei Liang , Jun Zhang , Wenhang Ge , Wei-Shi Zheng , Chunhua Shen

Vision-Language Pretrained (VLP) models have achieved impressive performance on multimodal tasks, including text-image retrieval, based on dense representations. Meanwhile, Learned Sparse Retrieval (LSR) has gained traction in text-only…

计算与语言 · 计算机科学 2025-08-26 Jonghyun Song , Youngjune Lee , Gyu-Hwung Cho , Ilhyeon Song , Saehun Kim , Yohan Jo

Deep Learning (DL) is undergoing a paradigm shift with the emergence of foundation models. In this work, we focus on Contrastive Language-Image Pre-training (CLIP), a Vision-Language foundation model that achieves high accuracy across…

计算机视觉与模式识别 · 计算机科学 2025-07-21 Angelos Zavras , Dimitrios Michail , Begüm Demir , Ioannis Papoutsis

In this paper, we introduce $\text{EVL}_{\text{Gen}}$, a streamlined framework designed for the pre-training of visually conditioned language generation models with high computational demands, utilizing frozen pre-trained large language…

计算机视觉与模式识别 · 计算机科学 2024-02-22 Yiren Jian , Tingkai Liu , Yunzhe Tao , Chunhui Zhang , Soroush Vosoughi , Hongxia Yang

Images suffer from heavy spatial redundancy because pixels in neighboring regions are spatially correlated. Existing approaches strive to overcome this limitation by reducing less meaningful image regions. However, current leading methods…

计算机视觉与模式识别 · 计算机科学 2024-04-26 Yang Luo , Zhineng Chen , Peng Zhou , Zuxuan Wu , Xieping Gao , Yu-Gang Jiang

The canonical approach to video-and-language learning (e.g., video question answering) dictates a neural model to learn from offline-extracted dense video features from vision models and text features from language models. These feature…

计算机视觉与模式识别 · 计算机科学 2021-02-12 Jie Lei , Linjie Li , Luowei Zhou , Zhe Gan , Tamara L. Berg , Mohit Bansal , Jingjing Liu

Despite recent progress in video and language representation learning, the weak or sparse correspondence between the two modalities remains a bottleneck in the area. Most video-language models are trained via pair-level loss to predict…

机器学习 · 计算机科学 2022-10-12 Zixu Wang , Yujie Zhong , Yishu Miao , Lin Ma , Lucia Specia

Learning common subspace is prevalent way in cross-modal retrieval to solve the problem of data from different modalities having inconsistent distributions and representations that cannot be directly compared. Previous cross-modal retrieval…

多媒体 · 计算机科学 2021-10-27 Donghuo Zeng , Jianming Wu , Gen Hattori , Yi Yu , Rong Xu

Multimodal Large Language Models (MLLMs) have revolutionized video understanding, yet are still limited by context length when processing long videos. Recent methods compress videos by leveraging visual redundancy uniformly, yielding…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Xiao Wang , Qingyi Si , Jianlong Wu , Shiyu Zhu , Li Cao , Liqiang Nie

The growth of videos in our digital age and the users' limited time raise the demand for processing untrimmed videos to produce shorter versions conveying the same information. Despite the remarkable progress that summarization methods have…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Washington Ramos , Michel Silva , Edson Araujo , Victor Moura , Keller Oliveira , Leandro Soriano Marcolino , Erickson R. Nascimento

Numerous video frame sampling methodologies detailed in the literature present a significant challenge in determining the optimal video frame method for Video RAG pattern without a comparative side-by-side analysis. In this work, we…

多媒体 · 计算机科学 2024-08-08 Mahesh Kandhare , Thibault Gisselbrecht

Current video representations heavily rely on learning from manually annotated video datasets which are time-consuming and expensive to acquire. We observe videos are naturally accompanied by abundant text information such as YouTube titles…

计算机视觉与模式识别 · 计算机科学 2021-01-29 Tianhao Li , Limin Wang