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相关论文: VidVec: Unlocking Video MLLM Embeddings for Video-…

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We present a simplified, task-agnostic multi-modal pre-training approach that can accept either video or text input, or both for a variety of end tasks. Existing pre-training are task-specific by adopting either a single cross-modal encoder…

计算机视觉与模式识别 · 计算机科学 2021-10-04 Hu Xu , Gargi Ghosh , Po-Yao Huang , Prahal Arora , Masoumeh Aminzadeh , Christoph Feichtenhofer , Florian Metze , Luke Zettlemoyer

Multimodal Large Language Models (MLLMs) are widely used for visual perception, understanding, and reasoning. However, long video processing and precise moment retrieval remain challenging due to LLMs' limited context size and coarse frame…

计算机视觉与模式识别 · 计算机科学 2024-11-25 Weiheng Lu , Jian Li , An Yu , Ming-Ching Chang , Shengpeng Ji , Min Xia

Text embeddings from large language models (LLMs) have achieved excellent results in tasks such as information retrieval, semantic textual similarity, etc. In this work, we show an interesting finding: when feeding a text into the LLM-based…

计算与语言 · 计算机科学 2025-07-08 Zhijie Nie , Richong Zhang , Zhanyu Wu

Vision Language Models (VLMs), which extend Large Language Models (LLM) by incorporating visual understanding capability, have demonstrated significant advancements in addressing open-ended visual question-answering (VQA) tasks. However,…

计算机视觉与模式识别 · 计算机科学 2023-12-19 Wenbo Hu , Yifan Xu , Yi Li , Weiyue Li , Zeyuan Chen , Zhuowen Tu

Text--image retrieval is necessary for applications such as product recommendation. Embedding-based approaches like CLIP enable efficient large-scale retrieval via vector similarity search, but they are primarily trained on literal…

信息检索 · 计算机科学 2025-10-15 Eric He , Akash Gupta , Adian Liusie , Vatsal Raina , Piotr Molenda , Shirom Chabra , Vyas Raina

Multimodal embeddings are widely used in downstream tasks such as multimodal retrieval, enabling alignment of interleaved modalities in a shared representation space. While recent studies show that Multimodal Large Language Models (MLLMs)…

计算机视觉与模式识别 · 计算机科学 2025-11-21 Chunxu Liu , Jiyuan Yang , Ruopeng Gao , Yuhan Zhu , Feng Zhu , Rui Zhao , Limin Wang

Multimodal Large Language Models (MLLMs) are experiencing rapid growth, yielding a plethora of noteworthy contributions in recent months. The prevailing trend involves adopting data-driven methodologies, wherein diverse…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Xin He , Longhui Wei , Lingxi Xie , Qi Tian

With hundreds of thousands of language models available on Huggingface today, efficiently evaluating and utilizing these models across various downstream, tasks has become increasingly critical. Many existing methods repeatedly learn…

计算与语言 · 计算机科学 2024-10-18 Richard Zhuang , Tianhao Wu , Zhaojin Wen , Andrew Li , Jiantao Jiao , Kannan Ramchandran

Large Language Models (LLMs) have achieved impressive progress in natural language processing, but their limited ability to retain long-term context constrains performance on document-level or multi-turn tasks. Retrieval-Augmented…

计算与语言 · 计算机科学 2025-05-20 Zhangyu Wang , Siyuan Gao , Rong Zhou , Hao Wang , Li Ning

Integrating vision models into large language models (LLMs) has sparked significant interest in creating vision-language foundation models, especially for video understanding. Recent methods often utilize memory banks to handle untrimmed…

计算机视觉与模式识别 · 计算机科学 2025-04-09 Sakib Reza , Xiyun Song , Heather Yu , Zongfang Lin , Mohsen Moghaddam , Octavia Camps

Existing large video-language models (LVLMs) struggle to comprehend long videos correctly due to limited context. To address this problem, fine-tuning long-context LVLMs and employing GPT-based agents have emerged as promising solutions.…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Yongdong Luo , Xiawu Zheng , Guilin Li , Shukang Yin , Haojia Lin , Chaoyou Fu , Jinfa Huang , Jiayi Ji , Fei Chao , Jiebo Luo , Rongrong Ji

Video Moment Retrieval (VMR) aims to localize a specific temporal segment within an untrimmed long video given a natural language query. Existing methods often suffer from inadequate training annotations, i.e., the sentence typically…

计算机视觉与模式识别 · 计算机科学 2024-06-27 Weitong Cai , Jiabo Huang , Shaogang Gong , Hailin Jin , Yang Liu

Recently, researchers have attempted to investigate the capability of LLMs in handling videos and proposed several video LLM models. However, the ability of LLMs to handle video grounding (VG), which is an important time-related video task…

计算机视觉与模式识别 · 计算机科学 2024-09-13 Wei Feng , Xin Wang , Hong Chen , Zeyang Zhang , Houlun Chen , Zihan Song , Yuwei Zhou , Yuekui Yang , Haiyang Wu , Wenwu Zhu

We present a simple yet effective end-to-end Video-language Pre-training (VidLP) framework, Masked Contrastive Video-language Pretraining (MAC), for video-text retrieval tasks. Our MAC aims to reduce video representation's spatial and…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Fangxun Shu , Biaolong Chen , Yue Liao , Shuwen Xiao , Wenyu Sun , Xiaobo Li , Yousong Zhu , Jinqiao Wang , Si Liu

Video Large Language Models (VLLMs) unlock world-knowledge-aware video understanding through pretraining on internet-scale data and have already shown promise on tasks such as movie analysis and video question answering. However, deploying…

计算机视觉与模式识别 · 计算机科学 2025-12-19 Haichao Zhang , Yao Lu , Lichen Wang , Yunzhe Li , Daiwei Chen , Yunpeng Xu , Yun Fu

Visual-language models (VLMs) excel at data mappings, but real-world document heterogeneity and unstructuredness disrupt the consistency of cross-modal embeddings. Recent late-interaction methods enhance image-text alignment through…

计算机视觉与模式识别 · 计算机科学 2026-03-18 Weiqing Li , Jinyue Guo , Yaqi Wang , Haiyang Xiao , Yuewei Zhang , Guohua Liu , Hao Henry Wang

Our objective is to build an embedding model that captures the nuanced relationship between a search query and candidate videos. We cover three aspects of nuanced retrieval: (i) temporal, (ii) negation, and (iii) multimodal. For temporal…

计算机视觉与模式识别 · 计算机科学 2026-05-04 Piyush Bagad , Andrew Zisserman

Large Language Models (LLMs)-based text retrieval retrieves documents relevant to search queries based on vector similarities. Documents are pre-encoded offline, while queries arrive in real-time, necessitating an efficient online query…

信息检索 · 计算机科学 2026-02-02 Guangyuan Ma , Yongliang Ma , Xuanrui Gou , Zhenpeng Su , Ming Zhou , Songlin Hu

Current large vision-language models (LVLMs) typically employ a connector module to link visual features with text embeddings of large language models (LLMs) and use end-to-end training to achieve multi-modal understanding in a unified…

人工智能 · 计算机科学 2025-08-14 Zixian Guo , Ming Liu , Qilong Wang , Zhilong Ji , Jinfeng Bai , Lei Zhang , Wangmeng Zuo

Vision-language models (VLMs) have shown powerful capabilities in visual question answering and reasoning tasks by combining visual representations with the abstract skill set large language models (LLMs) learn during pretraining. Vision,…

人工智能 · 计算机科学 2023-09-01 Riley Tavassoli , Mani Amani , Reza Akhavian