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Large scale video retrieval is a field of study with a lot of ongoing research. Most of the work in the field is on video retrieval through text queries using techniques such as VSE++. However, there is little research done on video…

计算机视觉与模式识别 · 计算机科学 2020-11-05 Arvind Srinivasan , Aprameya Bharadwaj , Aveek Saha , Subramanyam Natarajan

The progress on generative models has led to significant advances on text-to-video (T2V) generation, yet the motion controllability of generated videos remains limited. Existing motion transfer methods explored the motion representations of…

计算机视觉与模式识别 · 计算机科学 2025-03-27 Yufei Cai , Hu Han , Yuxiang Wei , Shiguang Shan , Xilin Chen

Text-to-video (T2V) generation has gained significant attention due to its wide applications to video generation, editing, enhancement and translation, \etc. However, high-quality (HQ) video synthesis is extremely challenging because of the…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Tao Yang , Yangming Shi , Yunwen Huang , Feng Chen , Yin Zheng , Lei Zhang

Retrieving specific information from a large corpus of documents is a prevalent industrial use case of modern AI, notably due to the popularity of Retrieval-Augmented Generation (RAG) systems. Although neural document retrieval models have…

信息检索 · 计算机科学 2025-12-17 Paul Teiletche , Quentin Macé , Max Conti , Antonio Loison , Gautier Viaud , Pierre Colombo , Manuel Faysse

Large Vision-Language Models (LVLMs) have shown significant progress in video understanding, yet they face substantial challenges in tasks requiring precise spatiotemporal localization at the instance level. Existing methods primarily rely…

计算机视觉与模式识别 · 计算机科学 2026-05-18 Yiming Zhao , Yu Zeng , Wenxuan Huang , Zhen Fang , Qing Miao , Qisheng Su , Jiawei Zhao , Jiayin Cai , Lin Chen , Zehui Chen , Yukun Qi , Yao Hu , Xiaolong Jiang , Feng Zhao

Video-text retrieval (VTR) aims to locate relevant videos using natural language queries. Current methods, often based on pre-trained models like CLIP, are hindered by video's inherent redundancy and their reliance on coarse, final-layer…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Zequn Xie , Boyun Zhang , Yuxiao Lin , Tao Jin

Composed video retrieval is a challenging task that strives to retrieve a target video based on a query video and a textual description detailing specific modifications. Standard retrieval frameworks typically struggle to handle the…

计算机视觉与模式识别 · 计算机科学 2025-08-20 Omkar Thawakar , Dmitry Demidov , Ritesh Thawkar , Rao Muhammad Anwer , Mubarak Shah , Fahad Shahbaz Khan , Salman Khan

We introduce an approach to generating videos based on a series of given language descriptions. Frames of the video are generated sequentially and optimized by guidance from the CLIP image-text encoder; iterating through language…

计算机视觉与模式识别 · 计算机科学 2022-10-25 Peter Schaldenbrand , Zhixuan Liu , Jean Oh

A common practice for text retrieval is to use an encoder to map the documents and the query to a common vector space and perform a nearest neighbor search (NNS); multi-hop retrieval also often adopts the same paradigm, usually with a…

信息检索 · 计算机科学 2022-10-18 Hyunji Lee , Sohee Yang , Hanseok Oh , Minjoon Seo

We present CLIP2Video network to transfer the image-language pre-training model to video-text retrieval in an end-to-end manner. Leading approaches in the domain of video-and-language learning try to distill the spatio-temporal video…

计算机视觉与模式识别 · 计算机科学 2021-06-22 Han Fang , Pengfei Xiong , Luhui Xu , Yu Chen

Thanks to recent advancements in scalable deep architectures and large-scale pretraining, text-to-video generation has achieved unprecedented capabilities in producing high-fidelity, instruction-following content across a wide range of…

计算机视觉与模式识别 · 计算机科学 2025-05-09 Xuyang Guo , Jiayan Huo , Zhenmei Shi , Zhao Song , Jiahao Zhang , Jiale Zhao

Video Moment Retrieval and Highlight Detection aim to find corresponding content in the video based on a text query. Existing models usually first use contrastive learning methods to align video and text features, then fuse and extract…

计算机视觉与模式识别 · 计算机科学 2025-01-22 Pengcheng Zhao , Zhixian He , Fuwei Zhang , Shujin Lin , Fan Zhou

Text-to-video (T2V) generation has gained significant attention recently. However, the costs of training a T2V model from scratch remain persistently high, and there is considerable room for improving the generation performance, especially…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Zhefan Rao , Liya Ji , Yazhou Xing , Runtao Liu , Zhaoyang Liu , Jiaxin Xie , Ziqiao Peng , Yingqing He , Qifeng Chen

Video-text retrieval has many real-world applications such as media analytics, surveillance, and robotics. This paper presents the 1st place solution to the video retrieval track of the ICCV VALUE Challenge 2021. We present a simple yet…

计算机视觉与模式识别 · 计算机科学 2021-10-13 Aiden Seungjoon Lee , Hanseok Oh , Minjoon Seo

Video moment retrieval aims to search the moment most relevant to a given language query. However, most existing methods in this community often require temporal boundary annotations which are expensive and time-consuming to label. Hence…

计算机视觉与模式识别 · 计算机科学 2021-11-05 Ding Li , Rui Wu , Yongqiang Tang , Zhizhong Zhang , Wensheng Zhang

Text-to-video generation has advanced rapidly, but existing methods typically output only the final composited video and lack editable layered representations, limiting their use in professional workflows. We propose \textbf{LayerT2V}, a…

计算机视觉与模式识别 · 计算机科学 2026-02-27 Guangzhao Li , Kangrui Cen , Baixuan Zhao , Yi Xin , Siqi Luo , Guangtao Zhai , Lei Zhang , Xiaohong Liu

Generative retrieval represents a novel approach to information retrieval. It uses an encoder-decoder architecture to directly produce relevant document identifiers (docids) for queries. While this method offers benefits, current approaches…

信息检索 · 计算机科学 2024-09-30 Yubao Tang , Ruqing Zhang , Jiafeng Guo , Maarten de Rijke , Wei Chen , Xueqi Cheng

The rise of short-form video platforms and the emergence of multimodal large language models (MLLMs) have amplified the need for scalable, effective, zero-shot text-to-video retrieval systems. While recent advances in large-scale…

信息检索 · 计算机科学 2026-02-24 Jiaxin Wu , Xiao-Yong Wei , Qing Li

Generating consistent long videos is a complex challenge: while diffusion-based generative models generate visually impressive short clips, extending them to longer durations often leads to memory bottlenecks and long-term inconsistency. In…

计算机视觉与模式识别 · 计算机科学 2025-07-22 Wenqi Ouyang , Zeqi Xiao , Danni Yang , Yifan Zhou , Shuai Yang , Lei Yang , Jianlou Si , Xingang Pan

Given an untrimmed video and a sentence query, video moment retrieval using language (VMR) aims to locate a target query-relevant moment. Since the untrimmed video is overlong, almost all existing VMR methods first sparsely down-sample each…

计算机视觉与模式识别 · 计算机科学 2026-05-29 Xiang Fang , Daizong Liu , Wanlong Fang , Pan Zhou , Zichuan Xu , Wenzheng Xu , Junyang Chen , Renfu Li