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Existing deep learning based unsupervised video object segmentation methods still rely on ground-truth segmentation masks to train. Unsupervised in this context only means that no annotated frames are used during inference. As obtaining…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Sahir Shrestha , Mohammad Ali Armin , Hongdong Li , Nick Barnes

The goal of this paper is to discover, segment, and track independently moving objects in complex visual scenes. Previous approaches have explored the use of optical flow for motion segmentation, leading to imperfect predictions due to…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Junyu Xie , Weidi Xie , Andrew Zisserman

Unsupervised video object segmentation aims to automatically segment moving objects over an unconstrained video without any user annotation. So far, only few unsupervised online methods have been reported in literature and their performance…

Computer Vision and Pattern Recognition · Computer Science 2019-08-07 Tao Zhuo , Zhiyong Cheng , Peng Zhang , Yongkang Wong , Mohan Kankanhalli

We present a novel approach to unsupervised learning for video object segmentation (VOS). Unlike previous work, our formulation allows to learn dense feature representations directly in a fully convolutional regime. We rely on uniform grid…

Computer Vision and Pattern Recognition · Computer Science 2021-11-12 Nikita Araslanov , Simone Schaub-Meyer , Stefan Roth

Due to the problem of performance constraints of unsupervised video object detection, its large-scale application is limited. In response to this pain point, we propose another excellent method to solve this problematic point. By…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Chao Hu , Liqiang Zhu

Video instance segmentation requires classifying, segmenting, and tracking every object across video frames. Unlike existing approaches that rely on masks, boxes, or category labels, we propose UVIS, a novel Unsupervised Video Instance…

Computer Vision and Pattern Recognition · Computer Science 2024-06-12 Shuaiyi Huang , Saksham Suri , Kamal Gupta , Sai Saketh Rambhatla , Ser-nam Lim , Abhinav Shrivastava

In this paper, we consider the task of unsupervised object discovery in videos. Previous works have shown promising results via processing optical flows to segment objects. However, taking flow as input brings about two drawbacks. First,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Shuangrui Ding , Weidi Xie , Yabo Chen , Rui Qian , Xiaopeng Zhang , Hongkai Xiong , Qi Tian

Semi-supervised video object segmentation (VOS) aims to segment a few moving objects in a video sequence, where these objects are specified by annotation of first frame. The optical flow has been considered in many existing semi-supervised…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Ziyang Liu , Jingmeng Liu , Weihai Chen , Xingming Wu , Zhengguo Li

In this paper, we propose a simple yet effective approach for self-supervised video object segmentation (VOS). Our key insight is that the inherent structural dependencies present in DINO-pretrained Transformers can be leveraged to…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Shuangrui Ding , Rui Qian , Haohang Xu , Dahua Lin , Hongkai Xiong

Recently, removing objects from videos and filling in the erased regions using deep video inpainting (VI) algorithms has attracted considerable attention. Usually, a video sequence and object segmentation masks for all frames are required…

Computer Vision and Pattern Recognition · Computer Science 2023-03-01 Sangjin Lee , Suhwan Cho , Sangyoun Lee

Online video object segmentation is a challenging task as it entails to process the image sequence timely and accurately. To segment a target object through the video, numerous CNN-based methods have been developed by heavily finetuning on…

Computer Vision and Pattern Recognition · Computer Science 2018-06-07 Jingchun Cheng , Yi-Hsuan Tsai , Wei-Chih Hung , Shengjin Wang , Ming-Hsuan Yang

Modern video object segmentation (VOS) algorithms have achieved remarkably high performance in a sequential processing order, while most of currently prevailing pipelines still show some obvious inadequacy like accumulative error, unknown…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Yuxi Li , Ning Xu , Wenjie Yang , John See , Weiyao Lin

Video Object Segmentation (VOS) has been targeted by various fully-supervised and self-supervised approaches. While fully-supervised methods demonstrate excellent results, self-supervised ones, which do not use pixel-level ground truth,…

Computer Vision and Pattern Recognition · Computer Science 2022-02-18 Tanveer Hannan , Rajat Koner , Jonathan Kobold , Matthias Schubert

Video instance segmentation (VIS) is a challenging vision task that aims to detect, segment, and track objects in videos. Conventional VIS methods rely on densely-annotated object masks which are expensive. We reduce the human annotations…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Shuaiyi Huang , De-An Huang , Zhiding Yu , Shiyi Lan , Subhashree Radhakrishnan , Jose M. Alvarez , Abhinav Shrivastava , Anima Anandkumar

Video object segmentation is a fundamental step in many advanced vision applications. Most existing algorithms are based on handcrafted features such as HOG, super-pixel segmentation or texture-based techniques, while recently deep features…

Computer Vision and Pattern Recognition · Computer Science 2018-11-06 Maryam Sultana , Arif Mahmood , Sajid Javed , Soon Ki Jung

In order to learn object segmentation models in videos, conventional methods require a large amount of pixel-wise ground truth annotations. However, collecting such supervised data is time-consuming and labor-intensive. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2019-01-09 Yi-Wen Chen , Yi-Hsuan Tsai , Chu-Ya Yang , Yen-Yu Lin , Ming-Hsuan Yang

Recent machine learning strategies for segmentation tasks have shown great ability when trained on large pixel-wise annotated image datasets. It remains a major challenge however to aggregate such datasets, as the time and monetary cost…

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

Animals have evolved highly functional visual systems to understand motion, assisting perception even under complex environments. In this paper, we work towards developing a computer vision system able to segment objects by exploiting…

Computer Vision and Pattern Recognition · Computer Science 2021-08-12 Charig Yang , Hala Lamdouar , Erika Lu , Andrew Zisserman , Weidi Xie

This paper proposes key instance selection based on video saliency covering objectness and dynamics for unsupervised video object segmentation (UVOS). Our method takes frames sequentially and extracts object proposals with corresponding…

Computer Vision and Pattern Recognition · Computer Science 2019-07-29 Donghyeon Cho , Sungeun Hong , Sungil Kang , Jiwon Kim

We propose a method for unsupervised video object segmentation by transferring the knowledge encapsulated in image-based instance embedding networks. The instance embedding network produces an embedding vector for each pixel that enables…

Computer Vision and Pattern Recognition · Computer Science 2018-02-28 Siyang Li , Bryan Seybold , Alexey Vorobyov , Alireza Fathi , Qin Huang , C. -C. Jay Kuo