中文
相关论文

相关论文: Scalable SoftGroup for 3D Instance Segmentation on…

200 篇论文

This work seeks to improve the generalization and robustness of existing neural networks for 3D point clouds by inducing group equivariance under general group transformations. The main challenge when designing equivariant models for point…

计算机视觉与模式识别 · 计算机科学 2022-05-03 Thuan N. A. Trang , Thieu N. Vo , Khuong D. Nguyen

Point-based Neural Networks (PNNs) have become a key approach for point cloud processing. However, a core operation in these models, Farthest Point Sampling (FPS), often introduces significant inference latency, especially for large-scale…

机器学习 · 计算机科学 2026-04-21 Yuzhe Fu , Hancheng Ye , Cong Guo , Junyao Zhang , Qinsi Wang , Yueqian Lin , Changchun Zhou , Hai , Li , Yiran Chen

Spiking Neural Networks (SNNs) provide an energy-efficient way to extract 3D spatio-temporal features. Point clouds are sparse 3D spatial data, which suggests that SNNs should be well-suited for processing them. However, when applying SNNs…

计算机视觉与模式识别 · 计算机科学 2025-04-03 Xuerui Qiu , Man Yao , Jieyuan Zhang , Yuhong Chou , Ning Qiao , Shibo Zhou , Bo Xu , Guoqi Li

The development of 2D foundation models for image segmentation has been significantly advanced by the Segment Anything Model (SAM). However, achieving similar success in 3D models remains a challenge due to issues such as non-unified data…

计算机视觉与模式识别 · 计算机科学 2024-12-04 Yuchen Zhou , Jiayuan Gu , Tung Yen Chiang , Fanbo Xiang , Hao Su

In recent years, instance segmentation has garnered significant attention across various applications. However, training a fully-supervised instance segmentation model requires costly both instance-level and pixel-level annotations. In…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Yuchen Shen , Dong Zhang , Zhao Zhang , Liyong Fu , Qiaolin Ye

In order to retain more feature information of local areas on a point cloud, local grouping and subsampling are the necessary data structuring steps in most hierarchical deep learning models. Due to the disorder nature of the points in a…

计算机视觉与模式识别 · 计算机科学 2022-06-01 Luyang Li , Ligang He , Jinjin Gao , Xie Han

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

In this paper, we propose a method to segment regions in three-dimensional point clouds. We assume that (i) the shape and the number of regions in the point cloud are not known and (ii) the point cloud may be noisy. The method consists of…

计算机视觉与模式识别 · 计算机科学 2019-12-02 Matthias Sonntag , Veniamin I. Morgenshtern

A key question in the problem of 3D reconstruction is how to train a machine or a robot to model 3D objects. Many tasks like navigation in real-time systems such as autonomous vehicles directly depend on this problem. These systems usually…

计算机视觉与模式识别 · 计算机科学 2022-09-22 AmirHossein Zamani , Amir G. Aghdam , Kamran Ghaffari T

Unsupervised online 3D instance segmentation is a fundamental yet challenging task, as it requires maintaining consistent object identities across LiDAR scans without relying on annotated training data. Existing methods, such as UNIT, have…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Yifan Zhang , Wei Zhang , Chuangxin He , Zhonghua Miao , Junhui Hou

In the field of 3D perception using 3D LiDAR sensors, ground segmentation is an essential task for various purposes, such as traversable area detection and object recognition. Under these circumstances, several ground segmentation methods…

机器人学 · 计算机科学 2022-09-28 Seungjae Lee , Hyungtae Lim , Hyun Myung

Point cloud is an important type of geometric data structure. Due to its irregular format, most researchers transform such data to regular 3D voxel grids or collections of images. This, however, renders data unnecessarily voluminous and…

计算机视觉与模式识别 · 计算机科学 2017-04-12 Charles R. Qi , Hao Su , Kaichun Mo , Leonidas J. Guibas

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…

计算机视觉与模式识别 · 计算机科学 2020-10-27 Shengjie Li , Caiyi Xu , Jianping Xing , Yafei Ning , Yonghong Chen

In the field of autonomous driving and robotics, point clouds are showing their excellent real-time performance as raw data from most of the mainstream 3D sensors. Therefore, point cloud neural networks have become a popular research…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Hanxiao Tan

We introduce PointGauss, a novel point cloud-guided framework for real-time multi-object segmentation in Gaussian Splatting representations. Unlike existing methods that suffer from prolonged initialization and limited multi-view…

计算机视觉与模式识别 · 计算机科学 2025-08-04 Wentao Sun , Hanqing Xu , Quanyun Wu , Dedong Zhang , Yiping Chen , Lingfei Ma , John S. Zelek , Jonathan Li

Scene graphs have been proven to be useful for various scene understanding tasks due to their compact and explicit nature. However, existing approaches often neglect the importance of maintaining the symmetry-preserving property when…

计算机视觉与模式识别 · 计算机科学 2024-07-02 Quang P. M. Pham , Khoi T. N. Nguyen , Lan C. Ngo , Truong Do , Truong Son Hy

Deep neural networks (DNNs) have achieved great success in the area of computer vision. The disparity estimation problem tends to be addressed by DNNs which achieve much better prediction accuracy than traditional hand-crafted feature-based…

计算机视觉与模式识别 · 计算机科学 2021-10-07 Qiang Wang , Shaohuai Shi , Shizhen Zheng , Kaiyong Zhao , Xiaowen Chu

SegBlocks reduces the computational cost of existing neural networks, by dynamically adjusting the processing resolution of image regions based on their complexity. Our method splits an image into blocks and downsamples blocks of low…

计算机视觉与模式识别 · 计算机科学 2022-08-08 Thomas Verelst , Tinne Tuytelaars

We present a new method for efficient high-quality image segmentation of objects and scenes. By analogizing classical computer graphics methods for efficient rendering with over- and undersampling challenges faced in pixel labeling tasks,…

计算机视觉与模式识别 · 计算机科学 2020-02-18 Alexander Kirillov , Yuxin Wu , Kaiming He , Ross Girshick

The analyses relying on 3D point clouds are an utterly complex task, often involving million of points, but also requiring computationally efficient algorithms because of many real-time applications; e.g. autonomous vehicle. However, point…

计算机视觉与模式识别 · 计算机科学 2019-06-11 Can Chen , Luca Zanotti Fragonara , Antonios Tsourdos