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Self-supervised tasks such as colorization, inpainting and zigsaw puzzle have been utilized for visual representation learning for still images, when the number of labeled images is limited or absent at all. Recently, this worthwhile stream…

计算机视觉与模式识别 · 计算机科学 2018-11-27 Dahun Kim , Donghyeon Cho , In So Kweon

Video harmonization aims to adjust the foreground of a composite video to make it compatible with the background. So far, video harmonization has only received limited attention and there is no public dataset for video harmonization. In…

计算机视觉与模式识别 · 计算机科学 2022-05-03 Xinyuan Lu , Shengyuan Huang , Li Niu , Wenyan Cong , Liqing Zhang

Compositing is one of the most important editing operations for images and videos. The process of improving the realism of composite results is often called harmonization. Previous approaches for harmonization mainly focus on images. In…

计算机视觉与模式识别 · 计算机科学 2018-09-06 Haozhi Huang , Senzhe Xu , Junxiong Cai , Wei Liu , Shimin Hu

We propose a new method for learning videos by aggregating multiple models by sequentially extracting video clips from untrimmed video. The proposed method reduces the correlation between clips by feeding clips to multiple models in turn…

计算机视觉与模式识别 · 计算机科学 2024-01-29 Kodai Kamiya , Toru Tamaki

We propose a novel self-supervised approach for learning audio and visual representations from unlabeled videos, based on their correspondence. The approach uses an attention mechanism to learn the relative importance of convolutional…

计算机视觉与模式识别 · 计算机科学 2024-12-11 Sudha Krishnamurthy

Unsupervised multi-object segmentation has shown impressive results on images by utilizing powerful semantics learned from self-supervised pretraining. An additional modality such as depth or motion is often used to facilitate the…

计算机视觉与模式识别 · 计算机科学 2023-10-12 Görkay Aydemir , Weidi Xie , Fatma Güney

Children learn to build a visual representation of the world from unsupervised exploration and we hypothesize that a key part of this learning ability is the use of self-generated navigational information as a similarity label to drive a…

计算机视觉与模式识别 · 计算机科学 2022-02-17 Lizhen Zhu , Brad Wyble , James Z. Wang

The dominant paradigm for learning video-text representations -- noise contrastive learning -- increases the similarity of the representations of pairs of samples that are known to be related, such as text and video from the same sample,…

计算机视觉与模式识别 · 计算机科学 2021-01-15 Mandela Patrick , Po-Yao Huang , Yuki Asano , Florian Metze , Alexander Hauptmann , João Henriques , Andrea Vedaldi

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

Camouflaged object detection (COD) aims to localize targets that exhibit minimal perceptual differences from backgrounds through physical attributes. Existing methods, constrained by the static train-then-freeze paradigm, suffer from domain…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Mingfeng Zha , Tianyu Li , Guoqing Wang , Yunqiang Pei , Chaofan Qiao , Jiening Zhang , Yang Yang , Heng Tao Shen

Current video representations heavily rely on learning from manually annotated video datasets which are time-consuming and expensive to acquire. We observe videos are naturally accompanied by abundant text information such as YouTube titles…

计算机视觉与模式识别 · 计算机科学 2021-01-29 Tianhao Li , Limin Wang

Recent years have witnessed the success of deep learning on the visual sound separation task. However, existing works follow similar settings where the training and testing datasets share the same musical instrument categories, which to…

多媒体 · 计算机科学 2022-03-28 Xinchi Zhou , Dongzhan Zhou , Wanli Ouyang , Hang Zhou , Ziwei Liu , Di Hu

This paper presents a new self-supervised video representation learning framework, ARVideo, which autoregressively predicts the next video token in a tailored sequence order. Two key designs are included. First, we organize autoregressive…

计算机视觉与模式识别 · 计算机科学 2024-05-27 Sucheng Ren , Hongru Zhu , Chen Wei , Yijiang Li , Alan Yuille , Cihang Xie

We present CrissCross, a self-supervised framework for learning audio-visual representations. A novel notion is introduced in our framework whereby in addition to learning the intra-modal and standard 'synchronous' cross-modal relations,…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Pritam Sarkar , Ali Etemad

Well structured visual representations can make robot learning faster and can improve generalization. In this paper, we study how we can acquire effective object-centric representations for robotic manipulation tasks without human labeling…

机器人学 · 计算机科学 2018-11-20 Eric Jang , Coline Devin , Vincent Vanhoucke , Sergey Levine

Self-supervised video representation methods typically focus on the representation of temporal attributes in videos. However, the role of stationary versus non-stationary attributes is less explored: Stationary features, which remain…

计算机视觉与模式识别 · 计算机科学 2021-09-27 Nadine Behrmann , Mohsen Fayyaz , Juergen Gall , Mehdi Noroozi

Applying image processing algorithms independently to each video frame often leads to temporal inconsistency in the resulting video. To address this issue, we present a novel and general approach for blind video temporal consistency. Our…

计算机视觉与模式识别 · 计算机科学 2020-10-23 Chenyang Lei , Yazhou Xing , Qifeng Chen

Self-supervised learning is an effective way for label-free model pre-training, especially in the video domain where labeling is expensive. Existing self-supervised works in the video domain use varying experimental setups to demonstrate…

计算机视觉与模式识别 · 计算机科学 2023-11-22 Akash Kumar , Ashlesha Kumar , Vibhav Vineet , Yogesh Singh Rawat

Human behavior understanding in videos is a complex, still unsolved problem and requires to accurately model motion at both the local (pixel-wise dense prediction) and global (aggregation of motion cues) levels. Current approaches based on…

计算机视觉与模式识别 · 计算机科学 2019-09-19 C. Spampinato , S. Palazzo , P. D'Oro , D. Giordano , M. Shah

Understanding human activity and being able to explain it in detail surpasses mere action classification by far in both complexity and value. The challenge is thus to describe an activity on the basis of its most fundamental constituents,…

计算机视觉与模式识别 · 计算机科学 2017-08-04 Timo Milbich , Miguel Bautista , Ekaterina Sutter , Bjorn Ommer