中文
相关论文

相关论文: Frozen in Time: A Joint Video and Image Encoder fo…

200 篇论文

Large-scale pretrained image-text models have shown incredible zero-shot performance in a handful of tasks, including video ones such as action recognition and text-to-video retrieval. However, these models have not been adapted to video,…

计算机视觉与模式识别 · 计算机科学 2022-10-07 Santiago Castro , Fabian Caba Heilbron

We describe a protocol to study text-to-video retrieval training with unlabeled videos, where we assume (i) no access to labels for any videos, i.e., no access to the set of ground-truth captions, but (ii) access to labeled images in the…

计算机视觉与模式识别 · 计算机科学 2024-04-29 Lucas Ventura , Cordelia Schmid , Gül Varol

Amidst the advancements in image-based Large Vision-Language Models (image-LVLM), the transition to video-based models (video-LVLM) is hindered by the limited availability of quality video data. This paper addresses the challenge by…

计算机视觉与模式识别 · 计算机科学 2024-06-13 Shimin Chen , Yitian Yuan , Shaoxiang Chen , Zequn Jie , Lin Ma

Understanding the content of events occurring in the video and their inherent temporal logic is crucial for video-text retrieval. However, web-crawled pre-training datasets often lack sufficient event information, and the widely adopted…

计算机视觉与模式识别 · 计算机科学 2024-07-11 Zongyang Ma , Ziqi Zhang , Yuxin Chen , Zhongang Qi , Chunfeng Yuan , Bing Li , Yingmin Luo , Xu Li , Xiaojuan Qi , Ying Shan , Weiming Hu

We present Recurrent Video Masked-Autoencoders (RVM): a novel approach to video representation learning that leverages recurrent computation to model the temporal structure of video data. RVM couples an asymmetric masking objective with a…

计算机视觉与模式识别 · 计算机科学 2026-04-22 Daniel Zoran , Nikhil Parthasarathy , Yi Yang , Drew A Hudson , Joao Carreira , Andrew Zisserman

In this work we present a new State-of-The-Art on the text-to-video retrieval task on MSR-VTT, LSMDC, MSVD, YouCook2 and TGIF obtained by a single model. Three different data sources are combined: weakly-supervised videos, crowd-labeled…

计算机视觉与模式识别 · 计算机科学 2022-03-15 Alexander Kunitsyn , Maksim Kalashnikov , Maksim Dzabraev , Andrei Ivaniuta

Text-to-video generation aims to produce a video based on a given prompt. Recently, several commercial video models have been able to generate plausible videos with minimal noise, excellent details, and high aesthetic scores. However, these…

计算机视觉与模式识别 · 计算机科学 2024-01-18 Haoxin Chen , Yong Zhang , Xiaodong Cun , Menghan Xia , Xintao Wang , Chao Weng , Ying Shan

Dominant pre-training work for video-text retrieval mainly adopt the "dual-encoder" architectures to enable efficient retrieval, where two separate encoders are used to contrast global video and text representations, but ignore detailed…

计算机视觉与模式识别 · 计算机科学 2022-04-27 Yuying Ge , Yixiao Ge , Xihui Liu , Alex Jinpeng Wang , Jianping Wu , Ying Shan , Xiaohu Qie , Ping Luo

Scaling up weakly-supervised datasets has shown to be highly effective in the image-text domain and has contributed to most of the recent state-of-the-art computer vision and multimodal neural networks. However, existing large-scale…

计算机视觉与模式识别 · 计算机科学 2023-04-06 Vladislav Lialin , Stephen Rawls , David Chan , Shalini Ghosh , Anna Rumshisky , Wael Hamza

In recent years, large transformer-based video encoder models have greatly advanced state-of-the-art performance on video classification tasks. However, these large models typically process videos by averaging embedding outputs from…

计算机视觉与模式识别 · 计算机科学 2025-06-17 Darryl Ho , Samuel Madden

Recent studies on end-to-end speech translation(ST) have facilitated the exploration of multilingual end-to-end ST and end-to-end simultaneous ST. In this paper, we investigate end-to-end simultaneous speech translation in a one-to-many…

计算与语言 · 计算机科学 2025-03-17 Wuwei Huang , Renren Jin , Wen Zhang , Jian Luan , Bin Wang , Deyi Xiong

We present an audio-visual multimodal approach for the task of zeroshot learning (ZSL) for classification and retrieval of videos. ZSL has been studied extensively in the recent past but has primarily been limited to visual modality and to…

计算机视觉与模式识别 · 计算机科学 2019-10-22 Kranti Kumar Parida , Neeraj Matiyali , Tanaya Guha , Gaurav Sharma

There has been significant attention to the research on dense video captioning, which aims to automatically localize and caption all events within untrimmed video. Several studies introduce methods by designing dense video captioning as a…

计算机视觉与模式识别 · 计算机科学 2024-04-12 Minkuk Kim , Hyeon Bae Kim , Jinyoung Moon , Jinwoo Choi , Seong Tae Kim

Recent contrastive multimodal vision-language models like CLIP have demonstrated robust open-world semantic understanding, becoming the standard image backbones for vision-language applications. However, recent findings suggest high…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Mayug Maniparambil , Raiymbek Akshulakov , Yasser Abdelaziz Dahou Djilali , Sanath Narayan , Ankit Singh , Noel E. O'Connor

Most text-video retrieval methods utilize the text-image pre-trained models like CLIP as a backbone. These methods process each sampled frame independently by the image encoder, resulting in high computational overhead and limiting…

计算机视觉与模式识别 · 计算机科学 2025-03-13 Leqi Shen , Tianxiang Hao , Tao He , Sicheng Zhao , Yifeng Zhang , Pengzhang Liu , Yongjun Bao , Guiguang Ding

With the advent of large-scale multimodal video datasets, especially sequences with audio or transcribed speech, there has been a growing interest in self-supervised learning of video representations. Most prior work formulates the…

计算机视觉与模式识别 · 计算机科学 2020-09-21 Bruno Korbar , Fabio Petroni , Rohit Girdhar , Lorenzo Torresani

The standard way of training video models entails sampling at each iteration a single clip from a video and optimizing the clip prediction with respect to the video-level label. We argue that a single clip may not have enough temporal…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Xitong Yang , Haoqi Fan , Lorenzo Torresani , Larry Davis , Heng Wang

We present a novel perspective on learning video embedders for generative modeling: rather than requiring an exact reproduction of an input video, an effective embedder should focus on synthesizing visually plausible reconstructions. This…

计算机视觉与模式识别 · 计算机科学 2025-03-12 Yitian Zhang , Long Mai , Aniruddha Mahapatra , David Bourgin , Yicong Hong , Jonah Casebeer , Feng Liu , Yun Fu

Despite that convolution neural networks (CNN) have recently demonstrated high-quality reconstruction for video super-resolution (VSR), efficiently training competitive VSR models remains a challenging problem. It usually takes an order of…

计算机视觉与模式识别 · 计算机科学 2022-05-18 Lijian Lin , Xintao Wang , Zhongang Qi , Ying Shan

This work presents VTok, a unified video tokenization framework that can be used for both generation and understanding tasks. Unlike the leading vision-language systems that tokenize videos through a naive frame-sampling strategy, we…

计算机视觉与模式识别 · 计算机科学 2026-02-05 Feng Wang , Yichun Shi , Ceyuan Yang , Qiushan Guo , Jingxiang Sun , Alan Yuille , Peng Wang