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Dense video captioning aims to generate corresponding text descriptions for a series of events in the untrimmed video, which can be divided into two sub-tasks, event detection and event captioning. Unlike previous works that tackle the two…

Computer Vision and Pattern Recognition · Computer Science 2023-07-24 Qi Zhang , Yuqing Song , Qin Jin

Understanding images without explicit supervision has become an important problem in computer vision. In this paper, we address image captioning by generating language descriptions of scenes without learning from annotated pairs of images…

Computer Vision and Pattern Recognition · Computer Science 2019-08-27 Iro Laina , Christian Rupprecht , Nassir Navab

Recently, dense video captioning has made attractive progress in detecting and captioning all events in a long untrimmed video. Despite promising results were achieved, most existing methods do not sufficiently explore the scene evolution…

Computer Vision and Pattern Recognition · Computer Science 2025-06-26 Zhiwang Zhang , Dong Xu , Wanli Ouyang , Luping Zhou

An ideal model for dense video captioning -- predicting captions localized temporally in a video -- should be able to handle long input videos, predict rich, detailed textual descriptions, and be able to produce outputs before processing…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Xingyi Zhou , Anurag Arnab , Shyamal Buch , Shen Yan , Austin Myers , Xuehan Xiong , Arsha Nagrani , Cordelia Schmid

Dense video captioning aims to generate text descriptions for all events in an untrimmed video. This involves both detecting and describing events. Therefore, all previous methods on dense video captioning tackle this problem by building…

Computer Vision and Pattern Recognition · Computer Science 2018-04-04 Luowei Zhou , Yingbo Zhou , Jason J. Corso , Richard Socher , Caiming Xiong

Deep neural networks have achieved great successes on the image captioning task. However, most of the existing models depend heavily on paired image-sentence datasets, which are very expensive to acquire. In this paper, we make the first…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Yang Feng , Lin Ma , Wei Liu , Jiebo Luo

Dense video captioning jointly localizes and captions salient events in untrimmed videos. Recent methods primarily focus on leveraging additional prior knowledge and advanced multi-task architectures to achieve competitive performance.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Mingda Jia , Weiliang Meng , Zenghuang Fu , Yiheng Li , Qi Zeng , Yifan Zhang , Ju Xin , Rongtao Xu , Jiguang Zhang , Xiaopeng Zhang

Image captioning, a fundamental task in vision-language understanding, seeks to generate accurate natural language descriptions for provided images. Current image captioning approaches heavily rely on high-quality image-caption pairs, which…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Chuanyang Jin

We propose a new task and model for dense video object captioning -- detecting, tracking and captioning trajectories of objects in a video. This task unifies spatial and temporal localization in video, whilst also requiring fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2024-10-16 Xingyi Zhou , Anurag Arnab , Chen Sun , Cordelia Schmid

The success of deep learning in computer vision is rooted in the ability of deep networks to scale up model complexity as demanded by challenging visual tasks. As complexity is increased, so is the need for large amounts of labeled data to…

Computer Vision and Pattern Recognition · Computer Science 2017-08-22 Gustav Larsson

In this work, we introduce Vid2Seq, a multi-modal single-stage dense event captioning model pretrained on narrated videos which are readily-available at scale. The Vid2Seq architecture augments a language model with special time tokens,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Antoine Yang , Arsha Nagrani , Paul Hongsuck Seo , Antoine Miech , Jordi Pont-Tuset , Ivan Laptev , Josef Sivic , Cordelia Schmid

Learning visual feature representations for video analysis is a daunting task that requires a large amount of training samples and a proper generalization framework. Many of the current state of the art methods for video captioning and…

Machine Learning · Computer Science 2018-09-20 Oliver Nina , Washington Garcia , Scott Clouse , Alper Yilmaz

Recent advances in representation learning have demonstrated an ability to represent information from different modalities such as video, text, and audio in a single high-level embedding vector. In this work we present a self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2021-06-11 Alexander H. Liu , SouYoung Jin , Cheng-I Jeff Lai , Andrew Rouditchenko , Aude Oliva , James Glass

We learn visual features by captioning images with an image-conditioned masked diffusion language model, a formulation we call masked diffusion captioning (MDC). During training, text tokens in each image-caption pair are masked at a…

Computer Vision and Pattern Recognition · Computer Science 2025-10-31 Chao Feng , Zihao Wei , Andrew Owens

With the rapid growth of video data on the internet, video summarization is becoming a very important AI technology. However, due to the high labelling cost of video summarization, existing studies have to be conducted on small-scale…

Multimedia · Computer Science 2026-01-13 Cairong Zhao , Chutian Wang , Zifan Song , Guosheng Hu , Haonan Chen , Xiaofan Zhai

Recent progress has shown that large-scale pre-training using contrastive image-text pairs can be a promising alternative for high-quality visual representation learning from natural language supervision. Benefiting from a broader source of…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Yongming Rao , Wenliang Zhao , Guangyi Chen , Yansong Tang , Zheng Zhu , Guan Huang , Jie Zhou , Jiwen Lu

The de-facto approach to many vision tasks is to start from pretrained visual representations, typically learned via supervised training on ImageNet. Recent methods have explored unsupervised pretraining to scale to vast quantities of…

Computer Vision and Pattern Recognition · Computer Science 2021-09-28 Karan Desai , Justin Johnson

Video captioning is an advanced multi-modal task which aims to describe a video clip using a natural language sentence. The encoder-decoder framework is the most popular paradigm for this task in recent years. However, there exist some…

Computer Vision and Pattern Recognition · Computer Science 2021-02-15 Haoran Chen , Jianmin Li , Xiaolin Hu

Deep learning exploits large volumes of labeled data to learn powerful models. When the target dataset is small, it is a common practice to perform transfer learning using pre-trained models to learn new task specific representations.…

Computer Vision and Pattern Recognition · Computer Science 2017-05-26 Konda Reddy Mopuri , Vishal B. Athreya , R. Venkatesh Babu

Audio-visual representation learning is an important task from the perspective of designing machines with the ability to understand complex events. To this end, we propose a novel multimodal framework that instantiates multiple instance…

Computer Vision and Pattern Recognition · Computer Science 2018-07-10 Sanjeel Parekh , Slim Essid , Alexey Ozerov , Ngoc Q. K. Duong , Patrick Pérez , Gaël Richard