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Class-agnostic image segmentation is a crucial component in automating image editing workflows, especially in contexts where object selection traditionally involves interactive tools. Existing methods in the literature often adhere to…

Computer Vision and Pattern Recognition · Computer Science 2024-09-23 Sebastian Dille , Ari Blondal , Sylvain Paris , Yağız Aksoy

Recently, transformer-based methods have dominated 3D instance segmentation, where mask attention is commonly involved. Specifically, object queries are guided by the initial instance masks in the first cross-attention, and then iteratively…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Xin Lai , Yuhui Yuan , Ruihang Chu , Yukang Chen , Han Hu , Jiaya Jia

Due to the few annotated labels of 3D point clouds, how to learn discriminative features of point clouds to segment object instances is a challenging problem. In this paper, we propose a simple yet effective 3D instance segmentation…

Computer Vision and Pattern Recognition · Computer Science 2022-10-12 Linghua Tang , Le Hui , Jin Xie

The process of segmenting point cloud data into several homogeneous areas with points in the same region having the same attributes is known as 3D segmentation. Segmentation is challenging with point cloud data due to substantial…

Computer Vision and Pattern Recognition · Computer Science 2025-04-24 Siddiqui Muhammad Yasir , Hyunsik Ahn

Recently, progress in acquisition equipment such as LiDAR sensors has enabled sensing increasingly spacious outdoor 3D environments. Making sense of such 3D acquisitions requires fine-grained scene understanding, such as constructing…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Cedric Perauer , Laurenz Adrian Heidrich , Haifan Zhang , Matthias Nießner , Anastasiia Kornilova , Alexey Artemov

Most existing instance segmentation methods only focus on improving performance and are not suitable for real-time scenes such as autonomous driving. This paper proposes a real-time framework that segmenting and detecting 3D objects by…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Shengjie Li , Caiyi Xu , Jianping Xing , Yafei Ning , Yonghong Chen

Video Instance Segmentation is a fundamental computer vision task that deals with segmenting and tracking object instances across a video sequence. Most existing methods typically accomplish this task by employing a multi-stage top-down…

Computer Vision and Pattern Recognition · Computer Science 2022-04-25 Jyoti Kini , Mubarak Shah

3D instance segmentation is crucial for obtaining an understanding of a point cloud scene. This paper presents a novel neural network architecture for performing instance segmentation on 3D point clouds. We propose to jointly learn…

Computer Vision and Pattern Recognition · Computer Science 2024-10-04 Remco Royen , Leon Denis , Adrian Munteanu

In this paper, we propose PASS3D to achieve point-wise semantic segmentation for 3D point cloud. Our framework combines the efficiency of traditional geometric methods with robustness of deep learning methods, consisting of two stages: At…

Computer Vision and Pattern Recognition · Computer Science 2020-08-27 Xin Kong , Guangyao Zhai , Baoquan Zhong , Yong Liu

Recently, transformer-based techniques incorporating superpoints have become prevalent in 3D instance segmentation. However, they often encounter an over-segmentation problem, especially noticeable with large objects. Additionally,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Duc Dang Trung Tran , Byeongkeun Kang , Yeejin Lee

Instance segmentation is a challenging task aiming at classifying and segmenting all object instances of specific classes. While two-stage box-based methods achieve top performances in the image domain, they cannot easily extend their…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Xiang Li , Jinglu Wang , Xiao Li , Yan Lu

Separating 3D point clouds into individual instances is an important task for 3D vision. It is challenging due to the unknown and varying number of instances in a scene. Existing deep learning based works focus on a two-step pipeline: first…

Computer Vision and Pattern Recognition · Computer Science 2021-08-27 Ruihang Chu , Yukang Chen , Tao Kong , Lu Qi , Lei Li

Recognizing 3D part instances from a 3D point cloud is crucial for 3D structure and scene understanding. Several learning-based approaches use semantic segmentation and instance center prediction as training tasks and fail to further…

Computer Vision and Pattern Recognition · Computer Science 2022-08-10 Chunyu Sun , Xin Tong , Yang Liu

Advancements in 3D instance segmentation have traditionally been tethered to the availability of annotated datasets, limiting their application to a narrow spectrum of object categories. Recent efforts have sought to harness vision-language…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Yingda Yin , Yuzheng Liu , Yang Xiao , Daniel Cohen-Or , Jingwei Huang , Baoquan Chen

Deep learning approaches to 3D shape segmentation are typically formulated as a multi-class labeling problem. Existing models are trained for a fixed set of labels, which greatly limits their flexibility and adaptivity. We opt for top-down…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Fenggen Yu , Kun Liu , Yan Zhang , Chenyang Zhu , Kai Xu

3D instance segmentation aims to predict a set of object instances in a scene, representing them as binary foreground masks with corresponding semantic labels. Currently, transformer-based methods are gaining increasing attention due to…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Jiahao Lu , Jiacheng Deng

Instance segmentation is an important problem in computer vision, with applications in autonomous driving, drone navigation and robotic manipulation. However, most existing methods are not real-time, complicating their deployment in…

Computer Vision and Pattern Recognition · Computer Science 2019-07-31 Laurynas Miksys , Saumya Jetley , Michael Sapienza , Stuart Golodetz , Philip H. S. Torr

Previous top-performing methods for 3D instance segmentation often maintain inter-task dependencies and the tendency towards a lack of robustness. Besides, inevitable variations of different datasets make these methods become particularly…

Computer Vision and Pattern Recognition · Computer Science 2022-11-18 Jiaheng Liu , Tong He , Honghui Yang , Rui Su , Jiayi Tian , Junran Wu , Hongcheng Guo , Ke Xu , Wanli Ouyang

Instance segmentation is one of the fundamental vision tasks. Recently, fully convolutional instance segmentation methods have drawn much attention as they are often simpler and more efficient than two-stage approaches like Mask R-CNN. To…

Computer Vision and Pattern Recognition · Computer Science 2020-04-28 Hao Chen , Kunyang Sun , Zhi Tian , Chunhua Shen , Yongming Huang , Youliang Yan

Recent advances in self-supervised learning (SSL) for point clouds have substantially improved 3D scene understanding without human annotations. Existing approaches emphasize semantic awareness by enforcing feature consistency across…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Bin Yang , Mohamed Abdelsamad , Miao Zhang , Alexandru Paul Condurache