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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

Video analysis is a computer vision task that is useful for many applications like surveillance, human-machine interaction, and autonomous vehicles. Deep Convolutional Neural Networks (CNNs) are currently the state-of-the-art methods for…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Mireille El-Assal , Pierre Tirilly , Ioan Marius Bilasco

In this paper, we present a unified, end-to-end trainable spatiotemporal CNN model for VOS, which consists of two branches, i.e., the temporal coherence branch and the spatial segmentation branch. Specifically, the temporal coherence branch…

计算机视觉与模式识别 · 计算机科学 2019-04-05 Kai Xu , Longyin Wen , Guorong Li , Liefeng Bo , Qingming Huang

Semantic segmentation and object detection research have recently achieved rapid progress. However, the former task has no notion of different instances of the same object, and the latter operates at a coarse, bounding-box level. We propose…

计算机视觉与模式识别 · 计算机科学 2017-04-11 Anurag Arnab , Philip H. S Torr

In this work, we present a new computer vision task named video object of interest segmentation (VOIS). Given a video and a target image of interest, our objective is to simultaneously segment and track all objects in the video that are…

计算机视觉与模式识别 · 计算机科学 2022-12-07 Siyuan Zhou , Chunru Zhan , Biao Wang , Tiezheng Ge , Yuning Jiang , Li Niu

A major obstacle in instance segmentation is that existing methods often need many per-pixel labels in order to be effective. These labels require large human effort and for certain applications, such labels are not readily available. To…

计算机视觉与模式识别 · 计算机科学 2019-07-03 Issam H. Laradji , David Vazquez , Mark Schmidt

In this paper we introduce a Transformer-based approach to video object segmentation (VOS). To address compounding error and scalability issues of prior work, we propose a scalable, end-to-end method for VOS called Sparse Spatiotemporal…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Brendan Duke , Abdalla Ahmed , Christian Wolf , Parham Aarabi , Graham W. Taylor

In this work we present SwiftNet for real-time semisupervised video object segmentation (one-shot VOS), which reports 77.8% J &F and 70 FPS on DAVIS 2017 validation dataset, leading all present solutions in overall accuracy and speed…

计算机视觉与模式识别 · 计算机科学 2021-04-22 Haochen Wang , Xiaolong Jiang , Haibing Ren , Yao Hu , Song Bai

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…

计算机视觉与模式识别 · 计算机科学 2021-10-01 Huaijia Lin , Ruizheng Wu , Shu Liu , Jiangbo Lu , Jiaya Jia

State-of-the-art image segmentation algorithms generally consist of at least two successive and distinct computations: a boundary detection process that uses local image information to classify image locations as boundaries between objects,…

计算机视觉与模式识别 · 计算机科学 2016-11-03 Michał Januszewski , Jeremy Maitin-Shepard , Peter Li , Jörgen Kornfeld , Winfried Denk , Viren Jain

We propose a probabilistic video model, the Video Pixel Network (VPN), that estimates the discrete joint distribution of the raw pixel values in a video. The model and the neural architecture reflect the time, space and color structure of…

计算机视觉与模式识别 · 计算机科学 2016-10-05 Nal Kalchbrenner , Aaron van den Oord , Karen Simonyan , Ivo Danihelka , Oriol Vinyals , Alex Graves , Koray Kavukcuoglu

In Intelligent Transportation System, real-time systems that monitor and analyze road users become increasingly critical as we march toward the smart city era. Vision-based frameworks for Object Detection, Multiple Object Tracking, and…

计算机视觉与模式识别 · 计算机科学 2019-06-02 Xiaohui Huang , Pan He , Anand Rangarajan , Sanjay Ranka

Video segmentation -- partitioning video frames into multiple segments or objects -- plays a critical role in a broad range of practical applications, from enhancing visual effects in movie, to understanding scenes in autonomous driving, to…

计算机视觉与模式识别 · 计算机科学 2022-11-30 Tianfei Zhou , Fatih Porikli , David Crandall , Luc Van Gool , Wenguan Wang

Unsupervised video object segmentation aims to segment a target object in the video without a ground truth mask in the initial frame. This challenging task requires extracting features for the most salient common objects within a video…

计算机视觉与模式识别 · 计算机科学 2022-09-09 Minhyeok Lee , Suhwan Cho , Seunghoon Lee , Chaewon Park , Sangyoun Lee

We investigate architectures of discriminatively trained deep Convolutional Networks (ConvNets) for action recognition in video. The challenge is to capture the complementary information on appearance from still frames and motion between…

计算机视觉与模式识别 · 计算机科学 2014-11-13 Karen Simonyan , Andrew Zisserman

Video Object Segmentation (VOS) is an active research area of the visual domain. One of its fundamental sub-tasks is semi-supervised / one-shot learning: given only the segmentation mask for the first frame, the task is to provide…

计算机视觉与模式识别 · 计算机科学 2020-04-28 Fatemeh Azimi , Benjamin Bischke , Sebastian Palacio , Federico Raue , Joern Hees , Andreas Dengel

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…

计算机视觉与模式识别 · 计算机科学 2024-06-12 Shuaiyi Huang , Saksham Suri , Kamal Gupta , Sai Saketh Rambhatla , Ser-nam Lim , Abhinav Shrivastava

We tackle the task of semi-supervised video object segmentation, i.e. segmenting the pixels belonging to an object in the video using the ground truth pixel mask for the first frame. We build on the recently introduced one-shot video object…

计算机视觉与模式识别 · 计算机科学 2017-08-02 Paul Voigtlaender , Bastian Leibe

We propose an approach to instance-level image segmentation that is built on top of category-level segmentation. Specifically, for each pixel in a semantic category mask, its corresponding instance bounding box is predicted using a deep…

计算机视觉与模式识别 · 计算机科学 2016-05-24 Zifeng Wu , Chunhua Shen , Anton van den Hengel

Video object segmentation (VOS) describes the task of segmenting a set of objects in each frame of a video. In the semi-supervised setting, the first mask of each object is provided at test time. Following the one-shot principle,…

计算机视觉与模式识别 · 计算机科学 2020-12-04 Tim Meinhardt , Laura Leal-Taixe