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相关论文: Adaptive Cost Function for Pointcloud Registration

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3D point cloud classification has many safety-critical applications such as autonomous driving and robotic grasping. However, several studies showed that it is vulnerable to adversarial attacks. In particular, an attacker can make a…

密码学与安全 · 计算机科学 2021-07-05 Hongbin Liu , Jinyuan Jia , Neil Zhenqiang Gong

Semantic segmentation of 3D point cloud data often comes with high annotation costs. Active learning automates the process of selecting which data to annotate, reducing the total amount of annotation needed to achieve satisfactory…

计算机视觉与模式识别 · 计算机科学 2025-12-08 Johannes Meyer , Jasper Hoffmann , Felix Schulz , Dominik Merkle , Daniel Buescher , Alexander Reiterer , Joschka Boedecker , Wolfram Burgard

This paper presents a parameter-efficient prompt tuning method, named PPT, to adapt a large multi-modal model for 3D point cloud understanding. Existing strategies are quite expensive in computation and storage, and depend on time-consuming…

计算机视觉与模式识别 · 计算机科学 2024-02-27 Hongyu Sun , Yongcai Wang , Wang Chen , Haoran Deng , Deying Li

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

This paper introduces a new method for 3D point cloud registration based on deep learning. The architecture is composed of three distinct blocs: (i) an encoder composed of a convolutional graph-based descriptor that encodes the immediate…

计算机视觉与模式识别 · 计算机科学 2023-10-27 Karim Slimani , Brahim Tamadazte , Catherine Achard

As 3D point cloud analysis has received increasing attention, the insufficient scale of point cloud datasets and the weak generalization ability of networks become prominent. In this paper, we propose a simple and effective augmentation…

计算机视觉与模式识别 · 计算机科学 2021-02-08 Jinlai Zhang , Lyujie Chen , Bo Ouyang , Binbin Liu , Jihong Zhu , Yujing Chen , Yanmei Meng , Danfeng Wu

We present a novel, end-to-end learnable, multiview 3D point cloud registration algorithm. Registration of multiple scans typically follows a two-stage pipeline: the initial pairwise alignment and the globally consistent refinement. The…

计算机视觉与模式识别 · 计算机科学 2020-04-01 Zan Gojcic , Caifa Zhou , Jan D. Wegner , Leonidas J. Guibas , Tolga Birdal

This paper introduces two new algorithms to accurately estimate the process noise covariance of a discrete-time Kalman filter online for robust orbit determination in the presence of dynamics model uncertainties. Common orbit determination…

信号处理 · 电气工程与系统科学 2021-05-17 Nathan Stacey , Simone D'Amico

End-to-end trained per-point embeddings are an essential ingredient of any state-of-the-art 3D point cloud processing such as detection or alignment. Methods like PointNet, or the more recent point cloud transformer -- and its variants --…

计算机视觉与模式识别 · 计算机科学 2023-09-04 Jianqiao Zheng , Xueqian Li , Sameera Ramasinghe , Simon Lucey

We propose a systematic approach for registering cross-source point clouds. The compelling need for cross-source point cloud registration is motivated by the rapid development of a variety of 3D sensing techniques, but many existing…

计算机视觉与模式识别 · 计算机科学 2017-06-07 Xiaoshui Huang , Jian Zhang , Lixin Fan , Qiang Wu , Chun Yuan

Predictive models are often used for real-time decision making. However, typical machine learning techniques ignore feature evaluation cost, and focus solely on the accuracy of the machine learning models obtained utilizing all the features…

机器学习 · 计算机科学 2014-08-19 Leilani Battle , Edward Benson , Aditya Parameswaran , Eugene Wu

In this paper an adaptive load management system that uses predictive control optimization is introduced. This price elastic system is able to optimize the consumption of power and is fully autonomous and responsive to market clearing…

系统与控制 · 计算机科学 2018-09-24 Muneer Mohammad

Point cloud analysis has achieved outstanding performance by transferring point cloud pre-trained models. However, existing methods for model adaptation usually update all model parameters, i.e., full fine-tuning paradigm, which is…

计算机视觉与模式识别 · 计算机科学 2024-04-08 Xin Zhou , Dingkang Liang , Wei Xu , Xingkui Zhu , Yihan Xu , Zhikang Zou , Xiang Bai

Point cloud registration is to estimate a transformation to align point clouds collected in different perspectives. In learning-based point cloud registration, a robust descriptor is vital for high-accuracy registration. However, most…

计算机视觉与模式识别 · 计算机科学 2023-07-19 Guiyu Zhao , Zhentao Guo , Xin Wang , Hongbin Ma

The paper presents a simple and effective learning-based method for computing a discriminative 3D point cloud descriptor for place recognition purposes. Recent state-of-the-art methods have relatively complex architectures such as…

计算机视觉与模式识别 · 计算机科学 2022-04-11 Jacek Komorowski

In this paper, adaptive estimation based on noisy quantized observations is studied. A low complexity adaptive algorithm using a quantizer with adjustable input gain and offset is presented. Three possible scalar models for the parameter to…

信息论 · 计算机科学 2012-10-15 Rodrigo Cabral Farias , Jean-Marc Brossier

Fine-grained geometry, captured by aggregation of point features in local regions, is crucial for object recognition and scene understanding in point clouds. Nevertheless, existing preeminent point cloud backbones usually incorporate…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Jie Wang , Jianan Li , Lihe Ding , Ying Wang , Tingfa Xu

Changes in parameters of a physical device can eventually lead to catastrophic failure. This paper discusses a parameter estimation method based on synchronization between a model and time series data. In particular, we examine the…

chao-dyn · 物理学 2007-05-23 Justin Goodwin , Reggie Brown , Lutz Junge

Point cloud registration involves aligning one point cloud with another or with a three-dimensional (3D) model, enabling the integration of multimodal data into a unified representation. This is essential in applications such as…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Mehdi Maboudi , Said Harb , Jackson Ferrao , Kourosh Khoshelham , Yelda Turkan , Karam Mawas

Affordable 3D scanners often produce sparse and non-uniform point clouds that negatively impact downstream applications in robotic systems. While existing point cloud upsampling architectures have demonstrated promising results on standard…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Ahmed Hatem , Yiming Qian , Yang Wang