中文
相关论文

相关论文: PointInst3D: Segmenting 3D Instances by Points

200 篇论文

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…

计算机视觉与模式识别 · 计算机科学 2020-08-27 Xin Kong , Guangyao Zhai , Baoquan Zhong , Yong Liu

Deep learning techniques have become the to-go models for most vision-related tasks on 2D images. However, their power has not been fully realised on several tasks in 3D space, e.g., 3D scene understanding. In this work, we jointly address…

计算机视觉与模式识别 · 计算机科学 2019-04-08 Quang-Hieu Pham , Duc Thanh Nguyen , Binh-Son Hua , Gemma Roig , Sai-Kit Yeung

Instance segmentation of point clouds is a crucial task in 3D field with numerous applications that involve localizing and segmenting objects in a scene. However, achieving satisfactory results requires a large number of manual annotations,…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Zhikai Zhang , Jian Ding , Li Jiang , Dengxin Dai , Gui-Song Xia

Current multi-object tracking and segmentation (MOTS) methods follow the tracking-by-detection paradigm and adopt convolutions for feature extraction. However, as affected by the inherent receptive field, convolution based feature…

计算机视觉与模式识别 · 计算机科学 2020-07-06 Zhenbo Xu , Wei Zhang , Xiao Tan , Wei Yang , Huan Huang , Shilei Wen , Errui Ding , Liusheng Huang

We propose a novel, conceptually simple and general framework for instance segmentation on 3D point clouds. Our method, called 3D-BoNet, follows the simple design philosophy of per-point multilayer perceptrons (MLPs). The framework directly…

计算机视觉与模式识别 · 计算机科学 2019-09-06 Bo Yang , Jianan Wang , Ronald Clark , Qingyong Hu , Sen Wang , Andrew Markham , Niki Trigoni

Point cloud analysis (such as 3D segmentation and detection) is a challenging task, because of not only the irregular geometries of many millions of unordered points, but also the great variations caused by depth, viewpoint, occlusion, etc.…

计算机视觉与模式识别 · 计算机科学 2023-07-28 Tuo Feng , Wenguan Wang , Xiaohan Wang , Yi Yang , Qinghua Zheng

Recent deep learning models achieve impressive results on 3D scene analysis tasks by operating directly on unstructured point clouds. A lot of progress was made in the field of object classification and semantic segmentation. However, the…

计算机视觉与模式识别 · 计算机科学 2019-12-20 Cathrin Elich , Francis Engelmann , Theodora Kontogianni , Bastian Leibe

We propose a novel method for instance label segmentation of dense 3D voxel grids. We target volumetric scene representations, which have been acquired with depth sensors or multi-view stereo methods and which have been processed with…

计算机视觉与模式识别 · 计算机科学 2019-11-04 Jean Lahoud , Bernard Ghanem , Marc Pollefeys , Martin R. Oswald

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…

计算机视觉与模式识别 · 计算机科学 2025-06-24 Jiahao Lu , Jiacheng Deng

We propose a new approach for 3D instance segmentation based on sparse convolution and point affinity prediction, which indicates the likelihood of two points belonging to the same instance. The proposed network, built upon submanifold…

计算机视觉与模式识别 · 计算机科学 2019-02-13 Chen Liu , Yasutaka Furukawa

We propose a simple yet effective instance segmentation framework, termed CondInst (conditional convolutions for instance segmentation). Top-performing instance segmentation methods such as Mask R-CNN rely on ROI operations (typically…

计算机视觉与模式识别 · 计算机科学 2020-07-28 Zhi Tian , Chunhua Shen , Hao Chen

Unsupervised 3D instance segmentation aims to segment objects from a 3D point cloud without any annotations. Existing methods face the challenge of either too loose or too tight clustering, leading to under-segmentation or…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Cheng Shi , Yulin Zhang , Bin Yang , Jiajin Tang , Yuexin Ma , Sibei Yang

We introduce a highly efficient method for panoptic segmentation of large 3D point clouds by redefining this task as a scalable graph clustering problem. This approach can be trained using only local auxiliary tasks, thereby eliminating the…

计算机视觉与模式识别 · 计算机科学 2024-02-08 Damien Robert , Hugo Raguet , Loic Landrieu

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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 2025-04-24 Siddiqui Muhammad Yasir , Hyunsik Ahn

3D object recognition is a challenging task for intelligent and robot systems in industrial and home indoor environments. It is critical for such systems to recognize and segment the 3D object instances that they encounter on a frequent…

计算机视觉与模式识别 · 计算机科学 2024-06-24 Siddiqui Muhammad Yasir , Amin Muhammad Sadiq , Hyunsik Ahn

This paper addresses the challenge of 3D instance segmentation by simultaneously leveraging 3D geometric and multi-view image information. Many previous works have applied deep learning techniques to 3D point clouds for instance…

计算机视觉与模式识别 · 计算机科学 2024-08-05 Haoyu Guo , He Zhu , Sida Peng , Yuang Wang , Yujun Shen , Ruizhen Hu , Xiaowei Zhou

Existing state-of-the-art 3D instance segmentation methods perform semantic segmentation followed by grouping. The hard predictions are made when performing semantic segmentation such that each point is associated with a single class.…

计算机视觉与模式识别 · 计算机科学 2022-03-04 Thang Vu , Kookhoi Kim , Tung M. Luu , Xuan Thanh Nguyen , Chang D. Yoo

We propose a simple yet effective framework for instance and panoptic segmentation, termed CondInst (conditional convolutions for instance and panoptic segmentation). In the literature, top-performing instance segmentation methods typically…

计算机视觉与模式识别 · 计算机科学 2022-01-21 Zhi Tian , Bowen Zhang , Hao Chen , Chunhua Shen

In this paper we propose a new framework for point cloud instance segmentation. Our framework has two steps: an embedding step and a clustering step. In the embedding step, our main contribution is to propose a probabilistic embedding space…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Biao Zhang , Peter Wonka