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In recent years, Convolutional Neural Networks (CNN) have proven to be efficient analysis tools for processing point clouds, e.g., for reconstruction, segmentation and classification. In this paper, we focus on the classification of edges…

The integration of fine-scale multispectral imagery with deep learning models has revolutionized land use and land cover (LULC) classification. However, the atmospheric effects present in Top-of-Atmosphere sensor measured Digital Number…

计算机视觉与模式识别 · 计算机科学 2024-09-11 Soham Mukherjee , Yash Dixit , Naman Srivastava , Joel D Joy , Rohan Olikara , Koesha Sinha , Swarup E , Rakshit Ramesh

This study introduces a method for efficiently detecting objects within 3D point clouds using convolutional neural networks (CNNs). Our approach adopts a unique feature-centric voting mechanism to construct convolutional layers that…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Tianyi Lyu , Dian Gu , Peiyuan Chen , Yaoting Jiang , Zhenhong Zhang , Huadong Pang , Li Zhou , Yiping Dong

Classification of 3D point clouds is a challenging machine learning (ML) task with important real-world applications in a spectrum from autonomous driving and robot-assisted surgery to earth observation from low orbit. As with other ML…

计算机视觉与模式识别 · 计算机科学 2024-11-19 Hanwei Zhang , Luo Cheng , Qisong He , Wei Huang , Renjue Li , Ronan Sicre , Xiaowei Huang , Holger Hermanns , Lijun Zhang

This paper proposes an innovative approach to Hierarchical Edge Aware 3D Point Cloud Learning (HEA-Net) that seeks to address the challenges of noise in point cloud data, and improve object recognition and segmentation by focusing on edge…

计算机视觉与模式识别 · 计算机科学 2023-10-26 Lei Li

Point clouds are a fundamental 3D data representation that underpins various computer vision tasks. Recently, Mamba has demonstrated strong potential for 3D point cloud understanding. However, existing approaches primarily focus on point…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Bin Liu , Chunyang Wang , Xuelian Liu

Recently, environment reconstruction (ER) in integrated sensing and communication (ISAC) systems has emerged as a promising approach for achieving high-resolution environmental perception. However, the initial results obtained from ISAC…

网络与互联网体系结构 · 计算机科学 2026-01-06 Nguyen Duc Minh Quang , Chang Liu , Shuangyang Li , Hoai-Nam Vu , Derrick Wing Kwan Ng , Wei Xiang

With their continued increase in coverage and quality, data collected from personal air quality monitors has become an increasingly valuable tool to complement existing public health monitoring systems over urban areas. However, the…

应用统计 · 统计学 2022-06-01 Matthew Bonas , Stefano Castruccio

Global climate models represent small-scale processes such as clouds and convection using quasi-empirical models known as parameterizations, and these parameterizations are a leading cause of uncertainty in climate projections. A promising…

大气与海洋物理 · 物理学 2020-08-31 Janni Yuval , Paul A. O'Gorman

In many inertial confinement fusion experiments, the neutron yield and other parameters cannot be completely accounted for with one and two dimensional models. This discrepancy suggests that there are three dimensional effects which may be…

We propose a novel and efficient representation for single-view depth estimation using Convolutional Neural Networks (CNNs). Point-cloud is generally used for CNN-based 3D scene reconstruction; however it has some drawbacks: (1) it is…

计算机视觉与模式识别 · 计算机科学 2020-03-12 Masaya Kaneko , Ken Sakurada , Kiyoharu Aizawa

Cloud computing has been regarded as a successful paradigm for IT industry by providing benefits for both service providers and customers. In spite of the advantages, cloud computing also suffers from distinct challenges, and one of them is…

分布式、并行与集群计算 · 计算机科学 2022-03-08 Minxian Xu , Chenghao Song , Huaming Wu , Sukhpal Singh Gill , Kejiang Ye , Chengzhong Xu

We present a neural-network-based architecture for 3D point cloud denoising called neural projection denoising (NPD). In our previous work, we proposed a two-stage denoising algorithm, which first estimates reference planes and follows by…

计算机视觉与模式识别 · 计算机科学 2019-04-10 Chaojing Duan , Siheng Chen , Jelena Kovacevic

Climate change has been a common interest and the forefront of crucial political discussion and decision-making for many years. Shallow clouds play a significant role in understanding the Earth's climate, but they are challenging to…

图像与视频处理 · 电气工程与系统科学 2021-07-13 Tashin Ahmed , Noor Hossain Nuri Sabab

Using 3D point clouds in odometry estimation in robotics often requires finding a set of correspondences between points in subsequent scans. While there are established methods for point clouds of sufficient quality, state-of-the-art still…

机器人学 · 计算机科学 2025-06-24 Jan Michalczyk , Stephan Weiss , Jan Steinbrener

In climate science, we often want to compare across different datasets. Difficulties can arise in doing this due to inevitable mismatches that arise between observational and reanalysis data, or even between different reanalyses. This…

机器学习 · 计算机科学 2024-06-24 Jack R. P. Hanslope , Laurence Aitchison

Features that are equivariant to a larger group of symmetries have been shown to be more discriminative and powerful in recent studies. However, higher-order equivariant features often come with an exponentially-growing computational cost.…

计算机视觉与模式识别 · 计算机科学 2021-04-05 Haiwei Chen , Shichen Liu , Weikai Chen , Hao Li

Extending the translation equivariance property of convolutional neural networks to larger symmetry groups has been shown to reduce sample complexity and enable more discriminative feature learning. Further, exploiting additional symmetries…

计算机视觉与模式识别 · 计算机科学 2025-02-12 Lisa Weijler , Pedro Hermosilla

Single-task learning in artificial neural networks will be able to learn the model very well, and the benefits brought by transferring knowledge thus become limited. In this regard, when the number of tasks increases (e.g., semantic…

计算机视觉与模式识别 · 计算机科学 2021-09-03 Mohammad R. Bayanlou , Mehdi Khoshboresh-Masouleh

Interpreting the spectral energy distributions (SEDs) of astrophysical objects with physically motivated models is computationally expensive. These models require solving coupled differential equations in high-dimensional parameter spaces,…