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Copy-Paste has proven to be a very effective data augmentation for instance segmentation which can improve the generalization of the model. We used a task-specific Copy-Paste data augmentation method to achieve good performance on the…

Computer Vision and Pattern Recognition · Computer Science 2021-10-04 Jahongir Yunusov , Shohruh Rakhmatov , Abdulaziz Namozov , Abdulaziz Gaybulayev , Tae-Hyong Kim

Segmenting an object in a video presents significant challenges. Each pixel must be accurately labelled, and these labels must remain consistent across frames. The difficulty increases when the segmentation is with arbitrary granularity,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-20 Amirhossein Alimohammadi , Sauradip Nag , Saeid Asgari Taghanaki , Andrea Tagliasacchi , Ghassan Hamarneh , Ali Mahdavi Amiri

Existing visual object tracking usually learns a bounding-box based template to match the targets across frames, which cannot accurately learn a pixel-wise representation, thereby being limited in handling severe appearance variations. To…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Fei Xie , Wankou Yang , Bo Liu , Kaihua Zhang , Wanli Xue , Wangmeng Zuo

Surgical image segmentation is essential for robot-assisted surgery and intraoperative guidance. However, existing methods are constrained to predefined categories, produce one-shot predictions without adaptive refinement, and lack…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Ange Lou , Yamin Li , Qi Chang , Nan Xi , Luyuan Xie , Zichao Li , Tianyu Luan

This paper presents an overview of the Detection and Classification of Acoustic Scenes and Events (DCASE) 2026 Challenge Task 4, Spatial Semantic Segmentation of Sound Scenes (S5). The S5 task focuses on the joint detection and separation…

Event cameras sense the intensity changes asynchronously and produce event streams with high dynamic range and low latency. This has inspired research endeavors utilizing events to guide the challenging video superresolution (VSR) task. In…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Yunfan Lu , Zipeng Wang , Minjie Liu , Hongjian Wang , Lin Wang

Vanilla pixel-level classifiers for semantic segmentation are based on a certain paradigm, involving the inner product of fixed prototypes obtained from the training set and pixel features in the test image. This approach, however,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Xiaowen Ma , Zhenliang Ni , Xinghao Chen

We introduce a new image segmentation task, called Entity Segmentation (ES), which aims to segment all visual entities (objects and stuffs) in an image without predicting their semantic labels. By removing the need of class label…

Computer Vision and Pattern Recognition · Computer Science 2022-12-21 Lu Qi , Jason Kuen , Yi Wang , Jiuxiang Gu , Hengshuang Zhao , Zhe Lin , Philip Torr , Jiaya Jia

In this paper, we consider the problem of open-vocabulary semantic segmentation (OVS), which aims to segment objects of arbitrary classes instead of pre-defined, closed-set categories. The main contributions are as follows: First, we…

Computer Vision and Pattern Recognition · Computer Science 2023-03-06 Jilan Xu , Junlin Hou , Yuejie Zhang , Rui Feng , Yi Wang , Yu Qiao , Weidi Xie

Tracking and segmenting multiple objects in complex scenes has always been a challenge in the field of video object segmentation, especially in scenarios where objects are occluded and split into parts. In such cases, the definition of…

Computer Vision and Pattern Recognition · Computer Science 2024-06-10 Deshui Miao , Xin Li , Zhenyu He , Yaowei Wang , Ming-Hsuan Yang

We propose a novel solution for semi-supervised video object segmentation. By the nature of the problem, available cues (e.g. video frame(s) with object masks) become richer with the intermediate predictions. However, the existing methods…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 Seoung Wug Oh , Joon-Young Lee , Ning Xu , Seon Joo Kim

Existing semi-supervised video object segmentation methods either focus on temporal feature matching or spatial-temporal feature modeling. However, they do not address the issues of sufficient target interaction and efficient parallel…

Computer Vision and Pattern Recognition · Computer Science 2024-04-10 Deshui Miao , Xin Li , Zhenyu He , Huchuan Lu , Ming-Hsuan Yang

Consistent surgical instrument segmentation is critical for automation in robot-assisted surgery. Yet, existing methods only treat instrument-level instance segmentation (IIS) or part-level semantic segmentation (PSS) separately, without…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Meng Wei , Charlie Budd , Oluwatosin Alabi , Miaojing Shi , Tom Vercauteren

Self-supervised Object Segmentation (SOS) aims to segment objects without any annotations. Under conditions of multi-camera inputs, the structural, textural and geometrical consistency among each view can be leveraged to achieve…

Computer Vision and Pattern Recognition · Computer Science 2025-01-20 Xiaoyun Zheng , Liwei Liao , Jianbo Jiao , Feng Gao , Ronggang Wang

Understanding the steps required to perform a task is an important skill for AI systems. Learning these steps from instructional videos involves two subproblems: (i) identifying the temporal boundary of sequentially occurring segments and…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Anil Batra , Shreyank N Gowda , Frank Keller , Laura Sevilla-Lara

Segmenting video content into events provides semantic structures for indexing, retrieval, and summarization. Since motion cues are not available in continuous photo-streams, and annotations in lifelogging are scarce and costly, the frames…

Computer Vision and Pattern Recognition · Computer Science 2018-08-08 Ana Garcia del Molino , Joo-Hwee Lim , Ah-Hwee Tan

The need for large amounts of training and validation data is a huge concern in scaling AI algorithms for autonomous driving. Semantic Image Synthesis (SIS), or label-to-image translation, promises to address this issue by translating…

Computer Vision and Pattern Recognition · Computer Science 2023-05-18 George Eskandar , Diandian Guo , Karim Guirguis , Bin Yang

Video Object Segmentation (VOS) is a vital task in computer vision, focusing on distinguishing foreground objects from the background across video frames. Our work draws inspiration from the Cutie model, and we investigate the effects of…

Computer Vision and Pattern Recognition · Computer Science 2024-06-07 Xinyu Liu , Jing Zhang , Kexin Zhang , Yuting Yang , Licheng Jiao , Shuyuan Yang

We introduce 3D-SIS, a novel neural network architecture for 3D semantic instance segmentation in commodity RGB-D scans. The core idea of our method is to jointly learn from both geometric and color signal, thus enabling accurate instance…

Computer Vision and Pattern Recognition · Computer Science 2019-04-30 Ji Hou , Angela Dai , Matthias Nießner

Video Object Segmentation (VOS) is typically formulated in a semi-supervised setting. Given the ground-truth segmentation mask on the first frame, the task of VOS is to track and segment the single or multiple objects of interests in the…

Computer Vision and Pattern Recognition · Computer Science 2020-03-16 Kaihua Zhang , Long Wang , Dong Liu , Bo Liu , Qingshan Liu , Zhu Li