中文
相关论文

相关论文: A Termination Criterion for Probabilistic PointClo…

200 篇论文

Probabilistic point-set registration methods have been gaining more attention for their robustness to noise, outliers and occlusions. However, these methods tend to be much slower than the popular iterative closest point (ICP) algorithms,…

计算机视觉与模式识别 · 计算机科学 2019-07-17 Wei Gao , Russ Tedrake

Point cloud rigid registration is a fundamental problem in 3D computer vision. In the multiview case, we aim to find a set of 6D poses to align a set of objects. Methods based on pairwise registration rely on a subsequent synchronization…

计算机视觉与模式识别 · 计算机科学 2025-05-01 Luc Vedrenne , Sylvain Faisan , Denis Fortun

Registration is a transformation estimation problem between two point clouds, which has a unique and critical role in numerous computer vision applications. The developments of optimization-based methods and deep learning methods have…

计算机视觉与模式识别 · 计算机科学 2021-03-08 Xiaoshui Huang , Guofeng Mei , Jian Zhang , Rana Abbas

Point cloud registration is the process of aligning a pair of point sets via searching for a geometric transformation. Unlike classical optimization-based methods, recent learning-based methods leverage the power of deep learning for…

计算机视觉与模式识别 · 计算机科学 2020-10-02 Lingjing Wang , Xiang Li , Yi Fang

Early stopping techniques can be utilized to decrease the time cost, however currently the ultimate goal of early stopping techniques is closely related to the accuracy upgrade or the ability of the neural network to generalize better on…

计算机视觉与模式识别 · 计算机科学 2022-10-03 Thanasis Zoumpekas , Maria Salamó , Anna Puig

A parity-check stopping (PCS) criterion for turbo decoding is proposed in [1], which shows its priority compared with the stopping criteria of Sign Change Ratio (SCR), Sign Difference Ratio (SDR), Cross Entropy (CE) and improved CEbased…

信号处理 · 电气工程与系统科学 2020-03-27 Yuejun Wei , Yuhang Yang , Lili Wei , Wen Chen

Point cloud completion aims to predict complete shape from its partial observation. Current approaches mainly consist of generation and refinement stages in a coarse-to-fine style. However, the generation stage often lacks robustness to…

计算机视觉与模式识别 · 计算机科学 2022-11-15 Mingye Xu , Yali Wang , Yihao Liu , Tong He , Yu Qiao

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 propose a new framework that formulates point cloud registration as a denoising diffusion process from noisy transformation to object transformation. During training stage, object transformation diffuses from ground-truth transformation…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Yue Wu , Yongzhe Yuan , Xiaolong Fan , Xiaoshui Huang , Maoguo Gong , Qiguang Miao

The Iterative Closest Point (ICP) algorithm is a crucial component of LiDAR-based SLAM algorithms. However, its performance can be negatively affected in unstructured environments that lack features and geometric structures, leading to low…

机器人学 · 计算机科学 2025-06-03 Haosong Yue , Qingyuan Xu , Fei Chen , Jia Pan , Weihai Chen

In this paper, we present Point Cloud Color Constancy, in short PCCC, an illumination chromaticity estimation algorithm exploiting a point cloud. We leverage the depth information captured by the time-of-flight (ToF) sensor mounted rigidly…

计算机视觉与模式识别 · 计算机科学 2024-07-30 Xiaoyan Xing , Yanlin Qian , Sibo Feng , Yuhan Dong , Jiri Matas

This paper presents a robust probabilistic point registration method for estimating the rigid transformation (i.e. rotation matrix and translation vector) between two pointcloud dataset. The method improves the robustness of point…

计算机视觉与模式识别 · 计算机科学 2019-12-12 Saman Fahandezh-Saadi , Di Wang , Masayoshi Tomizuka

Accurate and efficient point cloud registration is a challenge because the noise and a large number of points impact the correspondence search. This challenge is still a remaining research problem since most of the existing methods rely on…

计算机视觉与模式识别 · 计算机科学 2021-11-24 Xiaoshui Huang , Zongyi Xu , Guofeng Mei , Sheng Li , Jian Zhang , Yifan Zuo , Yucheng Wang

In the last two decades, there has been much progress on model checking of both probabilistic systems and higher-order programs. In spite of the emergence of higher-order probabilistic programming languages, not much has been done to…

编程语言 · 计算机科学 2023-06-22 Naoki Kobayashi , Ugo Dal Lago , Charles Grellois

In this paper we introduce an adaptive cost function for pointcloud registration. The algorithm automatically estimates the sensor noise, which is important for generalization across different sensors and environments. Through experiments…

机器人学 · 计算机科学 2017-04-27 Johan Ekekrantz , John Folkesson , Patric Jensfelt

The Discriminative Optimization (DO) algorithm has been proved much successful in 3D point cloud registration. In the original DO, the feature (descriptor) of two point cloud was defined as a histogram, and the element of histogram…

计算机视觉与模式识别 · 计算机科学 2021-04-20 Jia Wang , Ping Wang , Biao Li , Ruigang Fu , Junzheng Wu

Point cloud compression (PCC) has made remarkable achievement in recent years. In the mean time, point cloud quality assessment (PCQA) also realize gratifying development. Some recently emerged metrics present robust performance on public…

图像与视频处理 · 电气工程与系统科学 2021-09-16 Yipeng Liu , Qi Yang , Yiling Xu , Zhan Ma

In distributed model predictive control (DMPC), where a centralized optimization problem is solved in distributed fashion using dual decomposition, it is important to keep the number of iterations in the solution algorithm, i.e. the amount…

最优化与控制 · 数学 2013-07-11 Pontus Giselsson , Anders Rantzer

We study the termination problem for probabilistic term rewrite systems. We prove that the interpretation method is sound and complete for a strengthening of positive almost sure termination, when abstract reduction systems and term rewrite…

符号计算 · 计算机科学 2018-02-28 Martin Avanzini , Ugo Dal Lago , Akihisa Yamada

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