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Generating automatic dense captions for videos that accurately describe their contents remains a challenging area of research. Most current models require processing the entire video at once. Instead, we propose an efficient, online…

Computer Vision and Pattern Recognition · Computer Science 2024-11-25 AJ Piergiovanni , Dahun Kim , Michael S. Ryoo , Isaac Noble , Anelia Angelova

Video captioning aims to automatically generate natural language sentences that can describe the visual contents of a given video. Existing generative models like encoder-decoder frameworks cannot explicitly explore the object-level…

Computer Vision and Pattern Recognition · Computer Science 2021-08-11 Yang Bai , Junyan Wang , Yang Long , Bingzhang Hu , Yang Song , Maurice Pagnucco , Yu Guan

We study how to leverage off-the-shelf visual and linguistic data to cope with out-of-vocabulary answers in visual question answering task. Existing large-scale visual datasets with annotations such as image class labels, bounding boxes and…

Machine Learning · Computer Science 2019-04-09 Hyeonwoo Noh , Taehoon Kim , Jonghwan Mun , Bohyung Han

We propose a novel algorithm for weakly supervised semantic segmentation based on image-level class labels only. In weakly supervised setting, it is commonly observed that trained model overly focuses on discriminative parts rather than the…

Computer Vision and Pattern Recognition · Computer Science 2018-01-09 Seunghoon Hong , Donghun Yeo , Suha Kwak , Honglak Lee , Bohyung Han

Video captioning, i.e. the task of generating captions from video sequences creates a bridge between the Natural Language Processing and Computer Vision domains of computer science. The task of generating a semantically accurate description…

Computer Vision and Pattern Recognition · Computer Science 2023-10-17 Md. Mushfiqur Rahman , Thasin Abedin , Khondokar S. S. Prottoy , Ayana Moshruba , Fazlul Hasan Siddiqui

Unsupervised methods have proven effective for discriminative tasks in a single-modality scenario. In this paper, we present a multimodal framework for learning sparse representations that can capture semantic correlation between…

Machine Learning · Computer Science 2016-03-03 Miriam Cha , Youngjune Gwon , H. T. Kung

This paper aims for event recognition when video examples are scarce or even completely absent. The key in such a challenging setting is a semantic video representation. Rather than building the representation from individual attribute…

Computer Vision and Pattern Recognition · Computer Science 2015-11-10 Amirhossein Habibian , Thomas Mensink , Cees G. M. Snoek

Video captioning which automatically translates video clips into natural language sentences is a very important task in computer vision. By virtue of recent deep learning technologies, e.g., convolutional neural networks (CNNs) and…

Computer Vision and Pattern Recognition · Computer Science 2016-11-18 Junbo Wang , Wei Wang , Yan Huang , Liang Wang , Tieniu Tan

Dense video captioning is a fine-grained video understanding task that involves two sub-problems: localizing distinct events in a long video stream, and generating captions for the localized events. We propose the Joint Event Detection and…

Computer Vision and Pattern Recognition · Computer Science 2018-12-27 Huijuan Xu , Boyang Li , Vasili Ramanishka , Leonid Sigal , Kate Saenko

End-to-end training from scratch of current deep architectures for new computer vision problems would require Imagenet-scale datasets, and this is not always possible. In this paper we present a method that is able to take advantage of…

Computer Vision and Pattern Recognition · Computer Science 2017-05-25 Lluis Gomez , Yash Patel , Marçal Rusiñol , Dimosthenis Karatzas , C. V. Jawahar

Language and vision are processed as two different modal in current work for image captioning. However, recent work on Super Characters method shows the effectiveness of two-dimensional word embedding, which converts text classification…

Computation and Language · Computer Science 2019-06-05 Baohua Sun , Lin Yang , Michael Lin , Charles Young , Patrick Dong , Wenhan Zhang , Jason Dong

Most self-supervised learning (SSL) methods learn continuous visual representations by aligning different views of the same input, offering limited control over how information is structured across representation dimensions. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Kawtar Zaher , Ilyass Moummad , Olivier Buisson , Alexis Joly

It is encouraged to see that progress has been made to bridge videos and natural language. However, mainstream video captioning methods suffer from slow inference speed due to the sequential manner of autoregressive decoding, and prefer…

Computer Vision and Pattern Recognition · Computer Science 2021-03-25 Bang Yang , Yuexian Zou , Fenglin Liu , Can Zhang

Training Large Multimodality Models (LMMs) relies on descriptive image caption that connects image and language. Existing methods for generating such captions often rely on distilling the captions from pretrained LMMs, constructing them…

Computer Vision and Pattern Recognition · Computer Science 2026-01-28 Yanpeng Sun , Jing Hao , Ke Zhu , Jiang-Jiang Liu , Yuxiang Zhao , Xiaofan Li , Na Zhao , Zechao Li , Jingdong Wang

An image caption should fluently present the essential information in a given image, including informative, fine-grained entity mentions and the manner in which these entities interact. However, current captioning models are usually trained…

Computation and Language · Computer Science 2019-06-24 Sanqiang Zhao , Piyush Sharma , Tomer Levinboim , Radu Soricut

Humans have an incredible ability to process and understand information from multiple sources such as images, video, text, and speech. Recent success of deep neural networks has enabled us to develop algorithms which give machines the…

Computer Vision and Pattern Recognition · Computer Science 2019-03-18 Dheeraj Peri , Shagan Sah , Raymond Ptucha

This paper proposes a network architecture to perform variable length semantic video generation using captions. We adopt a new perspective towards video generation where we allow the captions to be combined with the long-term and short-term…

Computer Vision and Pattern Recognition · Computer Science 2017-11-17 Tanya Marwah , Gaurav Mittal , Vineeth N. Balasubramanian

Self-supervised representation learning can mitigate the limitations in recognition tasks with few manually labeled data but abundant unlabeled data---a common scenario in sound event research. In this work, we explore unsupervised…

Sound · Computer Science 2020-11-17 Eduardo Fonseca , Diego Ortego , Kevin McGuinness , Noel E. O'Connor , Xavier Serra

The objective of this paper is self-supervised representation learning, with the goal of solving semi-supervised video object segmentation (a.k.a. dense tracking). We make the following contributions: (i) we propose to improve the existing…

Computer Vision and Pattern Recognition · Computer Science 2020-06-23 Fangrui Zhu , Li Zhang , Yanwei Fu , Guodong Guo , Weidi Xie

Pretrained language models are long known to be subpar in capturing sentence and document-level semantics. Though heavily investigated, transferring perturbation-based methods from unsupervised visual representation learning to NLP remains…

Computation and Language · Computer Science 2024-02-14 Chenghao Xiao , Zhuoxu Huang , Danlu Chen , G Thomas Hudson , Yizhi Li , Haoran Duan , Chenghua Lin , Jie Fu , Jungong Han , Noura Al Moubayed
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