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相关论文: BPT: Binary Point Cloud Transformer for Place Reco…

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We present Point-BERT, a new paradigm for learning Transformers to generalize the concept of BERT to 3D point cloud. Inspired by BERT, we devise a Masked Point Modeling (MPM) task to pre-train point cloud Transformers. Specifically, we…

计算机视觉与模式识别 · 计算机科学 2022-06-07 Xumin Yu , Lulu Tang , Yongming Rao , Tiejun Huang , Jie Zhou , Jiwen Lu

Model binarization has made significant progress in enabling real-time and energy-efficient computation for convolutional neural networks (CNN), offering a potential solution to the deployment challenges faced by Vision Transformers (ViTs)…

计算机视觉与模式识别 · 计算机科学 2025-03-07 Tian Gao , Zhiyuan Zhang , Yu Zhang , Huajun Liu , Kaijie Yin , Chengzhong Xu , Hui Kong

3D point cloud registration is a fundamental task in robotics and computer vision. Recently, many learning-based point cloud registration methods based on correspondences have emerged. However, these methods heavily rely on such…

计算机视觉与模式识别 · 计算机科学 2021-07-07 Lifa Zhu , Dongrui Liu , Changwei Lin , Rui Yan , Francisco Gómez-Fernández , Ninghua Yang , Ziyong Feng

Relocalization, the process of re-establishing a robot's position within an environment, is crucial for ensuring accurate navigation and task execution when external positioning information, such as GPS, is unavailable or has been lost.…

机器人学 · 计算机科学 2025-04-11 David Akhihiero , Jason N. Gross

Accurate localization is an essential technology for the flexible navigation of robots in large-scale environments. Both SLAM-based and map-based localization will increase the computing load due to the increase in map size, which will…

机器人学 · 计算机科学 2024-04-30 Yixiao Feng , Zhou Jiang , Yongliang Shi , Yunlong Feng , Xiangyu Chen , Hao Zhao , Guyue Zhou

In recent years, point cloud analysis methods based on the Transformer architecture have made significant progress, particularly in the context of multimedia applications such as 3D modeling, virtual reality, and autonomous systems.…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Qiang Zheng , Chao Zhang , Jian Sun

Global localization in 3D point clouds is a challenging problem of estimating the pose of vehicles without any prior knowledge. In this paper, a solution to this problem is presented by achieving place recognition and metric pose estimation…

机器人学 · 计算机科学 2022-11-29 Huan Yin , Li Tang , Xiaqing Ding , Yue Wang , Rong Xiong

Point cloud registration involves determining a rigid transformation to align a source point cloud with a target point cloud. This alignment is fundamental in applications such as autonomous driving, robotics, and medical imaging, where…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Yu-Xin Zhang , Jie Gui , Baosheng Yu , Xiaofeng Cong , Xin Gong , Wenbing Tao , Dacheng Tao

The success of deep learning methods led to significant breakthroughs in 3-D point cloud processing tasks with applications in remote sensing. Existing methods utilize convolutions that have some limitations, as they assume a uniform input…

计算机视觉与模式识别 · 计算机科学 2021-02-23 Dimple A Shajahan , Mukund Varma T , Ramanathan Muthuganapathy

3D landmark detection plays a pivotal role in various applications such as 3D registration, pose estimation, and virtual try-on. While considerable success has been achieved in 2D human landmark detection or pose estimation, there is a…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Fan Zhang , Shuyi Mao , Qing Li , Xiaojiang Peng

Simultaneous localization and mapping (SLAM) has been a hot research field in the past years. Against the backdrop of more affordable 3D LiDAR sensors, research on 3D LiDAR SLAM is becoming increasingly popular. Furthermore, the…

机器人学 · 计算机科学 2021-09-02 Ziqi Chai , Xiaoyu Shi , Yan Zhou , Zhenhua Xiong

Following the tremendous success of transformer in natural language processing and image understanding tasks, in this paper, we present a novel point cloud representation learning architecture, named Dual Transformer Network (DTNet), which…

计算机视觉与模式识别 · 计算机科学 2021-04-28 Xian-Feng Han , Yi-Fei Jin , Hui-Xian Cheng , Guo-Qiang Xiao

The choice of data representation is a key factor in the success of deep learning in geometric tasks. For instance, DUSt3R recently introduced the concept of viewpoint-invariant point maps, generalizing depth prediction and showing that all…

计算机视觉与模式识别 · 计算机科学 2025-08-15 Ben Kaye , Tomas Jakab , Shangzhe Wu , Christian Rupprecht , Andrea Vedaldi

While the Transformer architecture has become ubiquitous in the machine learning field, its adaptation to 3D shape recognition is non-trivial. Due to its quadratic computational complexity, the self-attention operator quickly becomes…

计算机视觉与模式识别 · 计算机科学 2022-04-11 Axel Berg , Magnus Oskarsson , Mark O'Connor

Place recognition is a challenging task in computer vision, crucial for enabling autonomous vehicles and robots to navigate previously visited environments. While significant progress has been made in learnable multimodal methods that…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Alexander Melekhin , Dmitry Yudin , Ilia Petryashin , Vitaly Bezuglyj

General point clouds have been increasingly investigated for different tasks, and recently Transformer-based networks are proposed for point cloud analysis. However, there are barely related works for medical point clouds, which are…

图像与视频处理 · 电气工程与系统科学 2021-12-20 Jianhui Yu , Chaoyi Zhang , Heng Wang , Dingxin Zhang , Yang Song , Tiange Xiang , Dongnan Liu , Weidong Cai

Point clouds have shown significant potential in various domains, including Simultaneous Localization and Mapping (SLAM). However, existing approaches either rely on dense point clouds to achieve high localization accuracy or use…

计算机视觉与模式识别 · 计算机科学 2023-12-06 Xiaze Zhang , Ziheng Ding , Qi Jing , Yuejie Zhang , Wenchao Ding , Rui Feng

Place Recognition enables the estimation of a globally consistent map and trajectory by providing non-local constraints in Simultaneous Localisation and Mapping (SLAM). This paper presents Locus, a novel place recognition method using 3D…

机器人学 · 计算机科学 2022-09-27 Kavisha Vidanapathirana , Peyman Moghadam , Ben Harwood , Muming Zhao , Sridha Sridharan , Clinton Fookes

Point clouds are a basic data type that is increasingly of interest as 3D content becomes more ubiquitous. Applications using point clouds include virtual, augmented, and mixed reality and autonomous driving. We propose a more efficient…

计算机视觉与模式识别 · 计算机科学 2021-06-04 Ryan Killea , Yun Li , Saeed Bastani , Paul McLachlan

Real-time registration of partially overlapping point clouds has emerging applications in cooperative perception for autonomous vehicles and multi-agent SLAM. The relative translation between point clouds in these applications is higher…

计算机视觉与模式识别 · 计算机科学 2021-12-21 Eduardo Arnold , Sajjad Mozaffari , Mehrdad Dianati