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We propose a new method for video object segmentation (VOS) that addresses object pattern learning from unlabeled videos, unlike most existing methods which rely heavily on extensive annotated data. We introduce a unified…

Computer Vision and Pattern Recognition · Computer Science 2020-03-12 Xiankai Lu , Wenguan Wang , Jianbing Shen , Yu-Wing Tai , David Crandall , Steven C. H. Hoi

Video instance segmentation (VIS) is the task that requires simultaneously classifying, segmenting and tracking object instances of interest in video. Recent methods typically develop sophisticated pipelines to tackle this task. Here, we…

Computer Vision and Pattern Recognition · Computer Science 2021-10-11 Yuqing Wang , Zhaoliang Xu , Xinlong Wang , Chunhua Shen , Baoshan Cheng , Hao Shen , Huaxia Xia

We present Dive Into the BoundarieS (DIBS), a novel pretraining framework for dense video captioning (DVC), that elaborates on improving the quality of the generated event captions and their associated pseudo event boundaries from unlabeled…

Computer Vision and Pattern Recognition · Computer Science 2024-04-04 Hao Wu , Huabin Liu , Yu Qiao , Xiao Sun

Visual Grounding (VG) is a crucial topic in the field of vision and language, which involves locating a specific region described by expressions within an image. To reduce the reliance on manually labeled data, unsupervised visual grounding…

Computer Vision and Pattern Recognition · Computer Science 2024-11-20 Linhui Xiao , Xiaoshan Yang , Fang Peng , Ming Yan , Yaowei Wang , Changsheng Xu

Video instance segmentation (VIS) aims to segment and associate all instances of predefined classes for each frame in videos. Prior methods usually obtain segmentation for a frame or clip first, and merge the incomplete results by tracking…

Computer Vision and Pattern Recognition · Computer Science 2021-10-01 Huaijia Lin , Ruizheng Wu , Shu Liu , Jiangbo Lu , Jiaya Jia

In recent years, video instance segmentation (VIS) has been largely advanced by offline models, while online models gradually attracted less attention possibly due to their inferior performance. However, online methods have their inherent…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Junfeng Wu , Qihao Liu , Yi Jiang , Song Bai , Alan Yuille , Xiang Bai

The goal of this paper is to bypass the need for labelled examples in few-shot video understanding at run time. While proven effective, in many practical video settings even labelling a few examples appears unrealistic. This is especially…

Computer Vision and Pattern Recognition · Computer Science 2022-04-20 Pengwan Yang , Yuki M. Asano , Pascal Mettes , Cees G. M. Snoek

Semantic image segmentation is a central and challenging task in autonomous driving, addressed by training deep models. Since this training draws to a curse of human-based image labeling, using synthetic images with automatically generated…

Computer Vision and Pattern Recognition · Computer Science 2023-01-31 Jose L. Gómez , Gabriel Villalonga , Antonio M. López

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

Deep learning usually achieves the best results with complete supervision. In the case of semantic segmentation, this means that large amounts of pixelwise annotations are required to learn accurate models. In this paper, we show that we…

Computer Vision and Pattern Recognition · Computer Science 2020-05-07 Yi Zhu , Zhongyue Zhang , Chongruo Wu , Zhi Zhang , Tong He , Hang Zhang , R. Manmatha , Mu Li , Alexander Smola

The ability to quickly annotate medical imaging data plays a critical role in training deep learning frameworks for segmentation. Doing so for image volumes or video sequences is even more pressing as annotating these is particularly…

Computer Vision and Pattern Recognition · Computer Science 2021-07-20 Laurent Lejeune , Raphael Sznitman

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…

Computer Vision and Pattern Recognition · Computer Science 2023-11-22 Akash Kumar , Ashlesha Kumar , Vibhav Vineet , Yogesh Singh Rawat

This presentation introduces a self-supervised learning approach to the synthesis of new video clips from old ones, with several new key elements for improved spatial resolution and realism: It conditions the synthesis process on contextual…

Computer Vision and Pattern Recognition · Computer Science 2021-10-27 Guillaume Le Moing , Jean Ponce , Cordelia Schmid

Video instance segmentation (VIS) aims at classifying, segmenting and tracking object instances in video sequences. Recent transformer-based neural networks have demonstrated their powerful capability of modeling spatio-temporal…

Computer Vision and Pattern Recognition · Computer Science 2022-07-13 Xiang Li , Jinglu Wang , Xiaohao Xu , Bhiksha Raj , Yan Lu

Accurate surgical phase recognition is crucial for computer-assisted interventions and surgical video analysis. Annotating long surgical videos is labor-intensive, driving research toward leveraging unlabeled data for strong performance…

In many critical computer vision scenarios unlabeled data is plentiful, but labels are scarce and difficult to obtain. As a result, semi-supervised learning which leverages unlabeled data to boost the performance of supervised classifiers…

Computer Vision and Pattern Recognition · Computer Science 2025-05-29 Jay C. Rothenberger , Dimitrios I. Diochnos

Semi-supervised learning, which leverages both annotated and unannotated data, is an efficient approach for medical image segmentation, where obtaining annotations for the whole dataset is time-consuming and costly. Traditional…

Computer Vision and Pattern Recognition · Computer Science 2025-02-06 Ruizhe Li , Grazziela Figueredo , Dorothee Auer , Rob Dineen , Paul Morgan , Xin Chen

In semantic segmentation, the creation of pixel-level labels for training data incurs significant costs. To address this problem, semi-supervised learning, which utilizes a small number of labeled images alongside unlabeled images to…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Takahiro Mano , Reiji Saito , Kazuhiro Hotta

We present IMAS, a method that segments the primary objects in videos without manual annotation in training or inference. Previous methods in unsupervised video object segmentation (UVOS) have demonstrated the effectiveness of motion as…

Computer Vision and Pattern Recognition · Computer Science 2022-12-20 Long Lian , Zhirong Wu , Stella X. Yu

Until recently, the Video Instance Segmentation (VIS) community operated under the common belief that offline methods are generally superior to a frame by frame online processing. However, the recent success of online methods questions this…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Tim Meinhardt , Matt Feiszli , Yuchen Fan , Laura Leal-Taixe , Rakesh Ranjan