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Video captioning is a challenging task as it needs to accurately transform visual understanding into natural language description. To date, state-of-the-art methods inadequately model global-local representation across video frames for…

Computer Vision and Pattern Recognition · Computer Science 2023-03-01 Liqi Yan , Qifan Wang , Yiming Cui , Fuli Feng , Xiaojun Quan , Xiangyu Zhang , Dongfang Liu

In video captioning task, the best practice has been achieved by attention-based models which associate salient visual components with sentences in the video. However, existing study follows a common procedure which includes a frame-level…

Computer Vision and Pattern Recognition · Computer Science 2018-03-06 Yangyu Chen , Shuhui Wang , Weigang Zhang , Qingming Huang

Automated audio captioning aims to use natural language to describe the content of audio data. This paper presents an audio captioning system with an encoder-decoder architecture, where the decoder predicts words based on audio features…

Audio and Speech Processing · Electrical Eng. & Systems 2021-08-06 Xinhao Mei , Qiushi Huang , Xubo Liu , Gengyun Chen , Jingqian Wu , Yusong Wu , Jinzheng Zhao , Shengchen Li , Tom Ko , H Lilian Tang , Xi Shao , Mark D. Plumbley , Wenwu Wang

Recent advances of video captioning often employ a recurrent neural network (RNN) as the decoder. However, RNN is prone to diluting long-term information. Recent works have demonstrated memory network (MemNet) has the advantage of storing…

Computer Vision and Pattern Recognition · Computer Science 2020-02-28 Aming Wu , Yahong Han

Dense video captioning is an extremely challenging task since accurate and coherent description of events in a video requires holistic understanding of video contents as well as contextual reasoning of individual events. Most existing…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Jonghwan Mun , Linjie Yang , Zhou Ren , Ning Xu , Bohyung Han

The task of retrieving video content relevant to natural language queries plays a critical role in effectively handling internet-scale datasets. Most of the existing methods for this caption-to-video retrieval problem do not fully exploit…

Computer Vision and Pattern Recognition · Computer Science 2020-07-22 Valentin Gabeur , Chen Sun , Karteek Alahari , Cordelia Schmid

Video description is the automatic generation of natural language sentences that describe the contents of a given video. It has applications in human-robot interaction, helping the visually impaired and video subtitling. The past few years…

Computer Vision and Pattern Recognition · Computer Science 2020-03-04 Nayyer Aafaq , Ajmal Mian , Wei Liu , Syed Zulqarnain Gilani , Mubarak Shah

Dense video captioning aims to identify the events of interest in an input video, and generate descriptive captions for each event. Previous approaches usually follow a two-stage generative process, which first proposes a segment for each…

Computer Vision and Pattern Recognition · Computer Science 2022-09-19 Wanrong Zhu , Bo Pang , Ashish V. Thapliyal , William Yang Wang , Radu Soricut

Video-based dialog task is a challenging multimodal learning task that has received increasing attention over the past few years with state-of-the-art obtaining new performance records. This progress is largely powered by the adaptation of…

Computer Vision and Pattern Recognition · Computer Science 2022-10-27 Huda Alamri , Anthony Bilic , Michael Hu , Apoorva Beedu , Irfan Essa

Recently, much advance has been made in image captioning, and an encoder-decoder framework has achieved outstanding performance for this task. In this paper, we propose an extension of the encoder-decoder framework by adding a component…

Computer Vision and Pattern Recognition · Computer Science 2018-04-04 Wenhao Jiang , Lin Ma , Xinpeng Chen , Hanwang Zhang , Wei Liu

In this paper, the problem of describing visual contents of a video sequence with natural language is addressed. Unlike previous video captioning work mainly exploiting the cues of video contents to make a language description, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2018-04-02 Bairui Wang , Lin Ma , Wei Zhang , Wei Liu

Change Captioning is a task that aims to describe the difference between images with natural language. Most existing methods treat this problem as a difference judgment without the existence of distractors, such as viewpoint changes.…

Computer Vision and Pattern Recognition · Computer Science 2020-10-01 Xiangxi Shi , Xu Yang , Jiuxiang Gu , Shafiq Joty , Jianfei Cai

Accelerated by the tremendous increase in Internet bandwidth and storage space, video data has been generated, published and spread explosively, becoming an indispensable part of today's big data. In this paper, we focus on reviewing two…

Computer Vision and Pattern Recognition · Computer Science 2018-02-23 Zuxuan Wu , Ting Yao , Yanwei Fu , Yu-Gang Jiang

Change captioning tasks aim to detect changes in image pairs observed before and after a scene change and generate a natural language description of the changes. Existing change captioning studies have mainly focused on a single…

Computer Vision and Pattern Recognition · Computer Science 2021-09-16 Yue Qiu , Shintaro Yamamoto , Kodai Nakashima , Ryota Suzuki , Kenji Iwata , Hirokatsu Kataoka , Yutaka Satoh

Generating natural language descriptions of images is an important capability for a robot or other visual-intelligence driven AI agent that may need to communicate with human users about what it is seeing. Such image captioning methods are…

Computer Vision and Pattern Recognition · Computer Science 2017-11-29 Li Zhang , Flood Sung , Feng Liu , Tao Xiang , Shaogang Gong , Yongxin Yang , Timothy M. Hospedales

Video captioning automatically generates short descriptions of the video content, usually in form of a single sentence. Many methods have been proposed for solving this task. A large dataset called MSR Video to Text (MSR-VTT) is often used…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Haoran Chen , Jianmin Li , Simone Frintrop , Xiaolin Hu

Video captioning is a popular task that challenges models to describe events in videos using natural language. In this work, we investigate the ability of various visual feature representations derived from state-of-the-art convolutional…

Computer Vision and Pattern Recognition · Computer Science 2021-01-18 Praveen S , Akhilesh Bharadwaj , Harsh Raj , Janhavi Dadhania , Ganesh Samarth C. A , Nikhil Pareek , S R M Prasanna

Image captioning is a research area of immense importance, aiming to generate natural language descriptions for visual content in the form of still images. The advent of deep learning and more recently vision-language pre-training…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Taraneh Ghandi , Hamidreza Pourreza , Hamidreza Mahyar

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

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