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The sound of crashing waves, the roar of fast-moving cars -- sound conveys important information about the objects in our surroundings. In this work, we show that ambient sounds can be used as a supervisory signal for learning visual…

Computer Vision and Pattern Recognition · Computer Science 2016-12-06 Andrew Owens , Jiajun Wu , Josh H. McDermott , William T. Freeman , Antonio Torralba

Spatially dense self-supervised learning is a rapidly growing problem domain with promising applications for unsupervised segmentation and pretraining for dense downstream tasks. Despite the abundance of temporal data in the form of videos,…

Computer Vision and Pattern Recognition · Computer Science 2023-08-24 Mohammadreza Salehi , Efstratios Gavves , Cees G. M. Snoek , Yuki M. Asano

Spatio-temporal grounding describes the task of localizing events in space and time, e.g., in video data, based on verbal descriptions only. Models for this task are usually trained with human-annotated sentences and bounding box…

Computer Vision and Pattern Recognition · Computer Science 2024-05-30 Brian Chen , Nina Shvetsova , Andrew Rouditchenko , Daniel Kondermann , Samuel Thomas , Shih-Fu Chang , Rogerio Feris , James Glass , Hilde Kuehne

Audio-Visual Question Answering (AVQA) task aims to answer questions about different visual objects, sounds, and their associations in videos. Such naturally multi-modal videos are composed of rich and complex dynamic audio-visual…

Computer Vision and Pattern Recognition · Computer Science 2023-08-11 Guangyao Li , Wenxuan Hou , Di Hu

The audio-visual segmentation (AVS) task aims to segment sounding objects from a given video. Existing works mainly focus on fusing audio and visual features of a given video to achieve sounding object masks. However, we observed that prior…

Sound · Computer Science 2023-08-02 Chen Liu , Peike Li , Xingqun Qi , Hu Zhang , Lincheng Li , Dadong Wang , Xin Yu

The objective of this paper is audio-visual synchronisation of general videos 'in the wild'. For such videos, the events that may be harnessed for synchronisation cues may be spatially small and may occur only infrequently during a many…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Vladimir Iashin , Weidi Xie , Esa Rahtu , Andrew Zisserman

We propose a novel deep training algorithm for joint representation of audio and visual information which consists of a single stream network (SSNet) coupled with a novel loss function to learn a shared deep latent space representation of…

Computer Vision and Pattern Recognition · Computer Science 2019-09-20 Shah Nawaz , Muhammad Kamran Janjua , Ignazio Gallo , Arif Mahmood , Alessandro Calefati

Currently successful methods for video description are based on encoder-decoder sentence generation using recur-rent neural networks (RNNs). Recent work has shown the advantage of integrating temporal and/or spatial attention mechanisms…

Computer Vision and Pattern Recognition · Computer Science 2017-03-13 Chiori Hori , Takaaki Hori , Teng-Yok Lee , Kazuhiro Sumi , John R. Hershey , Tim K. Marks

During the performance of sound source localization which uses both visual and aural information, it presently remains unclear how much either image or sound modalities contribute to the result, i.e. do we need both image and sound for…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Takashi Oya , Shohei Iwase , Ryota Natsume , Takahiro Itazuri , Shugo Yamaguchi , Shigeo Morishima

Since the wide employment of deep learning frameworks in video salient object detection, the accuracy of the recent approaches has made stunning progress. These approaches mainly adopt the sequential modules, based on optical flow or…

Computer Vision and Pattern Recognition · Computer Science 2021-03-18 Yi Tang , Yuanman Li , Wenbin Zou

In this paper, we propose to learn temporal embeddings of video frames for complex video analysis. Large quantities of unlabeled video data can be easily obtained from the Internet. These videos possess the implicit weak label that they are…

Computer Vision and Pattern Recognition · Computer Science 2015-05-05 Vignesh Ramanathan , Kevin Tang , Greg Mori , Li Fei-Fei

Learning how objects sound from video is challenging, since they often heavily overlap in a single audio channel. Current methods for visually-guided audio source separation sidestep the issue by training with artificially mixed video…

Computer Vision and Pattern Recognition · Computer Science 2019-08-22 Ruohan Gao , Kristen Grauman

In this report, our approach to tackling the task of ActivityNet 2018 Kinetics-600 challenge is described in detail. Though spatial-temporal modelling methods, which adopt either such end-to-end framework as I3D \cite{i3d} or two-stage…

Computer Vision and Pattern Recognition · Computer Science 2018-06-28 Dongliang He , Fu Li , Qijie Zhao , Xiang Long , Yi Fu , Shilei Wen

Object detection in videos has drawn increasing attention recently with the introduction of the large-scale ImageNet VID dataset. Different from object detection in static images, temporal information in videos is vital for object…

Computer Vision and Pattern Recognition · Computer Science 2018-01-10 Kai Kang , Hongsheng Li , Tong Xiao , Wanli Ouyang , Junjie Yan , Xihui Liu , Xiaogang Wang

visual information can be converted into audio stream via sensory substitution devices in order to give visually impaired people the chance of perception of their surrounding easily and simultaneous to performing everyday tasks. In this…

Sound · Computer Science 2021-06-17 Ezsan Mehrbani , Sezedeh Fatemeh Mirhoseini , Noushin Riahi

Abnormality detection in video poses particular challenges due to the infinite size of the class of all irregular objects and behaviors. Thus no (or by far not enough) abnormal training samples are available and we need to find…

Computer Vision and Pattern Recognition · Computer Science 2015-02-24 Borislav Antić , Björn Ommer

Classifying videos according to content semantics is an important problem with a wide range of applications. In this paper, we propose a hybrid deep learning framework for video classification, which is able to model static spatial…

Computer Vision and Pattern Recognition · Computer Science 2015-04-08 Zuxuan Wu , Xi Wang , Yu-Gang Jiang , Hao Ye , Xiangyang Xue

We segment moving objects in videos by ranking spatio-temporal segment proposals according to "moving objectness": how likely they are to contain a moving object. In each video frame, we compute segment proposals using multiple…

Computer Vision and Pattern Recognition · Computer Science 2015-05-11 Katerina Fragkiadaki , Pablo Arbelaez , Panna Felsen , Jitendra Malik

We propose a novel solution for semi-supervised video object segmentation. By the nature of the problem, available cues (e.g. video frame(s) with object masks) become richer with the intermediate predictions. However, the existing methods…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 Seoung Wug Oh , Joon-Young Lee , Ning Xu , Seon Joo Kim

This paper provides a review on representation learning for videos. We classify recent spatiotemporal feature learning methods for sequential visual data and compare their pros and cons for general video analysis. Building effective…

Computer Vision and Pattern Recognition · Computer Science 2024-05-13 Elham Ravanbakhsh , Yongqing Liang , J. Ramanujam , Xin Li
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