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Unsupervised video-based object-centric learning is a promising avenue to learn structured representations from large, unlabeled video collections, but previous approaches have only managed to scale to real-world datasets in restricted…

计算机视觉与模式识别 · 计算机科学 2024-03-18 Andrii Zadaianchuk , Maximilian Seitzer , Georg Martius

Deep convolutional neural networks (CNNs) have been immensely successful in many high-level computer vision tasks given large labeled datasets. However, for video semantic object segmentation, a domain where labels are scarce, effectively…

计算机视觉与模式识别 · 计算机科学 2016-06-08 Huiling Wang , Tapani Raiko , Lasse Lensu , Tinghuai Wang , Juha Karhunen

In autonomous Vehicles technology Image segmentation was a major problem in visual perception. This image segmentation process is mainly used in medical applications. Here we adopted an image segmentation process to visual perception tasks…

计算机视觉与模式识别 · 计算机科学 2020-11-17 Tirumalapudi Raviteja , Rajay Vedaraj . I. S

We study weakly-supervised video object grounding: given a video segment and a corresponding descriptive sentence, the goal is to localize objects that are mentioned from the sentence in the video. During training, no object bounding boxes…

计算机视觉与模式识别 · 计算机科学 2018-07-23 Luowei Zhou , Nathan Louis , Jason J. Corso

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…

计算机视觉与模式识别 · 计算机科学 2019-07-29 Donghyeon Cho , Sungeun Hong , Sungil Kang , Jiwon Kim

Semi-supervised video object segmentation (VOS) aims to segment arbitrary target objects in video when the ground truth segmentation mask of the initial frame is provided. Due to this limitation of using prior knowledge about the target…

计算机视觉与模式识别 · 计算机科学 2020-09-21 Suhwan Cho , Heansung Lee , Sungmin Woo , Sungjun Jang , Sangyoun Lee

This paper tackles the problem of semi-supervised video object segmentation on resource-constrained devices, such as mobile phones. We formulate this problem as a distillation task, whereby we demonstrate that small space-time-memory…

计算机视觉与模式识别 · 计算机科学 2023-03-15 Roy Miles , Mehmet Kerim Yucel , Bruno Manganelli , Albert Saa-Garriga

We propose an efficient plug-and-play acceleration framework for semi-supervised video object segmentation by exploiting the temporal redundancies in videos presented by the compressed bitstream. Specifically, we propose a motion…

计算机视觉与模式识别 · 计算机科学 2022-04-07 Kai Xu , Angela Yao

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…

计算机视觉与模式识别 · 计算机科学 2020-05-07 Yi Zhu , Zhongyue Zhang , Chongruo Wu , Zhi Zhang , Tong He , Hang Zhang , R. Manmatha , Mu Li , Alexander Smola

We propose Segment Concept (SeC), a concept-driven video object segmentation (VOS) framework that shifts from conventional feature matching to the progressive construction and utilization of high-level, object-centric representations. SeC…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Zhixiong Zhang , Shuangrui Ding , Xiaoyi Dong , Songxin He , Jianfan Lin , Junsong Tang , Yuhang Zang , Yuhang Cao , Dahua Lin , Jiaqi Wang

Object segmentation and object tracking are fundamental research area in the computer vision community. These two topics are diffcult to handle some common challenges, such as occlusion, deformation, motion blur, and scale variation. The…

计算机视觉与模式识别 · 计算机科学 2019-04-29 Rui Yao , Guosheng Lin , Shixiong Xia , Jiaqi Zhao , Yong Zhou

Self-supervised approaches for video have shown impressive results in video understanding tasks. However, unlike early works that leverage temporal self-supervision, current state-of-the-art methods primarily rely on tasks from the image…

计算机视觉与模式识别 · 计算机科学 2023-12-21 Ishan Rajendrakumar Dave , Simon Jenni , Mubarak Shah

Temporal action segmentation classifies the action of each frame in (long) video sequences. Due to the high cost of frame-wise labeling, we propose the first semi-supervised method for temporal action segmentation. Our method hinges on…

计算机视觉与模式识别 · 计算机科学 2021-12-09 Dipika Singhania , Rahul Rahaman , Angela Yao

The goal of video segmentation is to turn video data into a set of concrete motion clusters that can be easily interpreted as building blocks of the video. There are some works on similar topics like detecting scene cuts in a video, but…

计算机视觉与模式识别 · 计算机科学 2019-03-07 Hajar Sadeghi Sokeh , Vasileios Argyriou , Dorothy Monekosso , Paolo Remagnino

Most existing real-time deep models trained with each frame independently may produce inconsistent results across the temporal axis when tested on a video sequence. A few methods take the correlations in the video sequence into…

计算机视觉与模式识别 · 计算机科学 2022-02-28 Yifan Liu , Chunhua Shen , Changqian Yu , Jingdong Wang

Semi-supervised video object segmentation (semi-VOS) is widely used in many applications. This task is tracking class-agnostic objects from a given target mask. For doing this, various approaches have been developed based on…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Hyojin Park , Ganesh Venkatesh , Nojun Kwak

This paper investigates the principles of embedding learning to tackle the challenging semi-supervised video object segmentation. Different from previous practices that only explore the embedding learning using pixels from foreground object…

计算机视觉与模式识别 · 计算机科学 2020-07-24 Zongxin Yang , Yunchao Wei , Yi Yang

Learning a data-driven spatio-temporal semantic representation of the objects is the key to coherent and consistent labelling in video. This paper proposes to achieve semantic video object segmentation by learning a data-driven…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Tinghuai Wang

Enabling computational systems with the ability to localize actions in video-based content has manifold applications. Traditionally, such a problem is approached in a fully-supervised setting where video-clips with complete frame-by-frame…

计算机视觉与模式识别 · 计算机科学 2019-05-07 Kurt Degiorgio , Fabio Cuzzolin

In this paper we propose an end-to-end trainable deep neural network model for egocentric activity recognition. Our model is built on the observation that egocentric activities are highly characterized by the objects and their locations in…

计算机视觉与模式识别 · 计算机科学 2018-08-01 Swathikiran Sudhakaran , Oswald Lanz