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We present an approach for object segmentation in videos that combines frame-level object detection with concepts from object tracking and motion segmentation. The approach extracts temporally consistent object tubes based on an…

Computer Vision and Pattern Recognition · Computer Science 2016-08-11 Benjamin Drayer , Thomas Brox

Temporal action segmentation in untrimmed videos has gained increased attention recently. However, annotating action classes and frame-wise boundaries is extremely time consuming and cost intensive, especially on large-scale datasets. To…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 Wei Lin , Anna Kukleva , Horst Possegger , Hilde Kuehne , Horst Bischof

Human video instance segmentation plays an important role in computer understanding of human activities and is widely used in video processing, video surveillance, and human modeling in virtual reality. Most current VIS methods are based on…

Computer Vision and Pattern Recognition · Computer Science 2022-04-01 Lu Cheng , Mingbo Zhao

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…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Tinghuai Wang

Modern one-stage video instance segmentation networks suffer from two limitations. First, convolutional features are neither aligned with anchor boxes nor with ground-truth bounding boxes, reducing the mask sensitivity to spatial location.…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Minghan Li , Shuai Li , Lida Li , Lei Zhang

Video instance segmentation is a challenging task that extends image instance segmentation to the video domain. Existing methods either rely only on single-frame information for the detection and segmentation subproblems or handle tracking…

Computer Vision and Pattern Recognition · Computer Science 2022-03-08 Tao Wang , Ning Xu , Kean Chen , Weiyao Lin

Video Instance Segmentation (VIS) aims to simultaneously classify, segment, and track multiple object instances in videos. Recent clip-level VIS takes a short video clip as input each time showing stronger performance than frame-level VIS…

Computer Vision and Pattern Recognition · Computer Science 2022-03-04 Jialian Wu , Sudhir Yarram , Hui Liang , Tian Lan , Junsong Yuan , Jayan Eledath , Gerard Medioni

Semantic segmentation in surgical videos has applications in intra-operative guidance, post-operative analytics and surgical education. Segmentation models need to provide accurate and consistent predictions since temporally inconsistent…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Maria Grammatikopoulou , Ricardo Sanchez-Matilla , Felix Bragman , David Owen , Lucy Culshaw , Karen Kerr , Danail Stoyanov , Imanol Luengo

Understanding the structure of complex activities in untrimmed videos is a challenging task in the area of action recognition. One problem here is that this task usually requires a large amount of hand-annotated minute- or even hour-long…

Computer Vision and Pattern Recognition · Computer Science 2020-10-01 Rosaura G. VidalMata , Walter J. Scheirer , Anna Kukleva , David Cox , Hilde Kuehne

Most existing approaches to video instance segmentation comprise multiple modules that are heuristically combined to produce the final output. Formulating a purely learning-based method instead, which models both the temporal aspect as well…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Joakim Johnander , Emil Brissman , Martin Danelljan , Michael Felsberg

Segmenting object instances is a key task in machine perception, with safety-critical applications in robotics and autonomous driving. We introduce a novel approach to instance segmentation that jointly leverages measurements from multiple…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Alex Zihao Zhu , Vincent Casser , Reza Mahjourian , Henrik Kretzschmar , Sören Pirk

Visual objects often have acoustic signatures that are naturally synchronized with them in audio-bearing video recordings. For this project, we explore the multimodal feature aggregation for video instance segmentation task, in which we…

Computer Vision and Pattern Recognition · Computer Science 2023-01-26 Kaihui Zheng , Yuqing Ren , Zixin Shen , Tianxu Qin

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…

Computer Vision and Pattern Recognition · Computer Science 2023-10-12 Görkay Aydemir , Weidi Xie , Fatma Güney

Video segmentation aims at partitioning video sequences into meaningful segments based on objects or regions of interest within frames. Current video segmentation models are often derived from image segmentation techniques, which struggle…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Chen Liang , Qiang Guo , Xiaochao Qu , Luoqi Liu , Ting Liu

For semantic segmentation, most existing real-time deep models trained with each frame independently may produce inconsistent results for a video sequence. Advanced methods take into considerations the correlations in the video sequence,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-20 Yifan Liu , Chunhua Shen , Changqian Yu , Jingdong Wang

In this work, we study amodal video instance segmentation for automated driving. Previous works perform amodal video instance segmentation relying on methods trained on entirely labeled video data with techniques borrowed from standard…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Jasmin Breitenstein , Franz Jünger , Andreas Bär , Tim Fingscheidt

Moving object segmentation is a crucial task for achieving a high-level understanding of visual scenes and has numerous downstream applications. Humans can effortlessly segment moving objects in videos. Previous work has largely relied on…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Nan Huang , Wenzhao Zheng , Chenfeng Xu , Kurt Keutzer , Shanghang Zhang , Angjoo Kanazawa , Qianqian Wang

Recent DETR-based methods have advanced the development of Video Instance Segmentation (VIS) through transformers' efficiency and capability in modeling spatial and temporal information. Despite harvesting remarkable progress, existing…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Rongkun Zheng , Lu Qi , Xi Chen , Yi Wang , Kun Wang , Yu Qiao , Hengshuang Zhao

With ever increasing computing power and data storage capacity, the potential for large digital video libraries is growing rapidly.However, the massive use of video for the moment is limited by its opaque characteristics. Indeed, a user who…

Computer Vision and Pattern Recognition · Computer Science 2014-12-16 Walid Mahdi , Liming Chen , Mohsen Ardebilian

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…

Computer Vision and Pattern Recognition · Computer Science 2022-11-30 Tianfei Zhou , Fatih Porikli , David Crandall , Luc Van Gool , Wenguan Wang