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相关论文: Hierarchical Self-supervised Representation Learni…

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The crux of self-supervised video representation learning is to build general features from unlabeled videos. However, most recent works have mainly focused on high-level semantics and neglected lower-level representations and their…

计算机视觉与模式识别 · 计算机科学 2021-08-18 Rui Qian , Yuxi Li , Huabin Liu , John See , Shuangrui Ding , Xian Liu , Dian Li , Weiyao Lin

We address the problem of video representation learning without human-annotated labels. While previous efforts address the problem by designing novel self-supervised tasks using video data, the learned features are merely on a…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Jiangliu Wang , Jianbo Jiao , Linchao Bao , Shengfeng He , Yunhui Liu , Wei Liu

Modern video summarization methods are based on deep neural networks that require a large amount of annotated data for training. However, existing datasets for video summarization are small-scale, easily leading to over-fitting of the deep…

计算机视觉与模式识别 · 计算机科学 2022-10-20 Li Haopeng , Ke Qiuhong , Gong Mingming , Tom Drummond

Recently, pretext-task based methods are proposed one after another in self-supervised video feature learning. Meanwhile, contrastive learning methods also yield good performance. Usually, new methods can beat previous ones as claimed that…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Li Tao , Xueting Wang , Toshihiko Yamasaki

Self-supervised learning has been successfully applied to pre-train video representations, which aims at efficient adaptation from pre-training domain to downstream tasks. Existing approaches merely leverage contrastive loss to learn…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Yuanze Lin , Xun Guo , Yan Lu

In this paper, we are interested in understanding self-supervised pretraining through studying the capability that self-supervised representation pretraining methods learn part-aware representations. The study is mainly motivated by that…

计算机视觉与模式识别 · 计算机科学 2024-01-24 Jie Zhu , Jiyang Qi , Mingyu Ding , Xiaokang Chen , Ping Luo , Xinggang Wang , Wenyu Liu , Leye Wang , Jingdong Wang

We create a framework for bootstrapping visual representation learning from a primitive visual grouping capability. We operationalize grouping via a contour detector that partitions an image into regions, followed by merging of those…

计算机视觉与模式识别 · 计算机科学 2020-12-08 Xiao Zhang , Michael Maire

The remarkable success of deep learning in various domains relies on the availability of large-scale annotated datasets. However, obtaining annotations is expensive and requires great effort, which is especially challenging for videos.…

计算机视觉与模式识别 · 计算机科学 2023-07-20 Madeline C. Schiappa , Yogesh S. Rawat , Mubarak Shah

Can we leverage the audiovisual information already present in video to improve self-supervised representation learning? To answer this question, we study various pretraining architectures and objectives within the masked autoencoding…

计算机视觉与模式识别 · 计算机科学 2024-01-05 Mariana-Iuliana Georgescu , Eduardo Fonseca , Radu Tudor Ionescu , Mario Lucic , Cordelia Schmid , Anurag Arnab

Recently, much progress has been made for self-supervised action recognition. Most existing approaches emphasize the contrastive relations among videos, including appearance and motion consistency. However, two main issues remain for…

计算机视觉与模式识别 · 计算机科学 2022-04-28 Guanhong Wang , Keyu Lu , Yang Zhou , Zhanhao He , Gaoang Wang

We propose a self-supervised learning method to jointly reason about spatial and temporal context for video recognition. Recent self-supervised approaches have used spatial context [9, 34] as well as temporal coherency [32] but a…

计算机视觉与模式识别 · 计算机科学 2018-08-24 Unaiza Ahsan , Rishi Madhok , Irfan Essa

In the past few years, we have witnessed remarkable breakthroughs in self-supervised representation learning. Despite the success and adoption of representations learned through this paradigm, much is yet to be understood about how…

计算机视觉与模式识别 · 计算机科学 2021-08-20 Klemen Kotar , Gabriel Ilharco , Ludwig Schmidt , Kiana Ehsani , Roozbeh Mottaghi

This paper demonstrates a self-supervised approach for learning semantic video representations. Recent vision studies show that a masking strategy for vision and natural language supervision has contributed to developing transferable visual…

计算机视觉与模式识别 · 计算机科学 2024-06-06 Mona Ahmadian , Frank Guerin , Andrew Gilbert

Self-supervised representation learning has been highly promising for histopathology image analysis with numerous approaches leveraging their patient-slide-patch hierarchy to learn better representations. In this paper, we explore how the…

计算机视觉与模式识别 · 计算机科学 2024-03-22 Hasindri Watawana , Kanchana Ranasinghe , Tariq Mahmood , Muzammal Naseer , Salman Khan , Fahad Shahbaz Khan

In this work, we propose a 3D fully convolutional architecture for video saliency prediction that employs hierarchical supervision on intermediate maps (referred to as conspicuity maps) generated using features extracted at different…

计算机视觉与模式识别 · 计算机科学 2021-05-07 Giovanni Bellitto , Federica Proietto Salanitri , Simone Palazzo , Francesco Rundo , Daniela Giordano , Concetto Spampinato

We propose a self-supervised visual learning method by predicting the variable playback speeds of a video. Without semantic labels, we learn the spatio-temporal visual representation of the video by leveraging the variations in the visual…

计算机视觉与模式识别 · 计算机科学 2021-06-02 Hyeon Cho , Taehoon Kim , Hyung Jin Chang , Wonjun Hwang

The success of deep neural networks generally requires a vast amount of training data to be labeled, which is expensive and unfeasible in scale, especially for video collections. To alleviate this problem, in this paper, we propose…

计算机视觉与模式识别 · 计算机科学 2019-04-05 Longlong Jing , Xiaodong Yang , Jingen Liu , Yingli Tian

Self-attention is of vital importance in semantic segmentation as it enables modeling of long-range context, which translates into improved performance. We argue that it is equally important to model short-range context, especially to…

计算机视觉与模式识别 · 计算机科学 2022-12-29 Hasib Zunair , A. Ben Hamza

The success of deep learning based models for computer vision applications requires large scale human annotated data which are often expensive to generate. Self-supervised learning, a subset of unsupervised learning, handles this problem by…

计算机视觉与模式识别 · 计算机科学 2022-08-02 Siladittya Manna , Saumik Bhattacharya , Umapada Pal

The objective of this paper is self-supervised learning of spatio-temporal embeddings from video, suitable for human action recognition. We make three contributions: First, we introduce the Dense Predictive Coding (DPC) framework for…

计算机视觉与模式识别 · 计算机科学 2019-09-30 Tengda Han , Weidi Xie , Andrew Zisserman