Results 1 to 10 of about 683,761 (159)

NormNet: Point-wise normal estimation network for three-dimensional point cloud data

International Journal of Advanced Robotic Systems, 2019
In this article, a point-wise normal estimation network for three-dimensional point cloud data called NormNet is proposed. We propose the multiscale K-nearest neighbor convolution module for strengthened local feature extraction.
Janghun Hyeon, Weonsuk Lee, Joo Hyung Kim, Nakju Doh   +3 more
doaj   +1 more source

Real-time pose estimation of underground unmanned aerial vehicle based on ICP method

Gong-kuang zidonghua, 2019
In view of characteristics of no GPS signal, low illumination and structured environment in coal mine, a real-time pose estimation method for underground unmanned aerial vehicle (UAV) based on iterative closest point (ICP) was proposed.
WANG Yan, MA Hongwei, WANG Xing, YANG Lin   +3 more
doaj   +1 more source

Artificial Intelligence Vision Methods for Robotic Harvesting of Edible Flowers

Plants
Edible flowers, with their increasing demand in the market, face a challenge in labor-intensive hand-picking practices, hindering their attractiveness for growers.
Fabio Taddei Dalla Torre, Farid Melgani, Ilaria Pertot, Cesare Furlanello   +3 more
doaj   +1 more source

Cattle weight estimation using 2D side-view images and estimated depth-based 3D modeling

Smart Agricultural Technology
Weighing cattle is a vital practice in livestock farming, as it provides essential data for effective herd management. Recent advancements in computer vision and machine learning have led to the development of non-invasive techniques that estimate cattle
Guilherme Botazzo Rozendo, Maichol Dadi, Annalisa Franco, Alessandra Lumini   +3 more
doaj   +1 more source

Experimental qudit state estimation via point tomography

Physical Review Research
Point tomography is an approach to the problem of state estimation, which is arguably the most efficient and simple method for modern high-precision quantum information experiments.
D. Martínez, L. Pereira, K. Sawada, P. González, J. Cariñe, M. Muñoz, A. Delgado, E. S. Gómez, S. P. Walborn, G. Lima   +9 more
doaj   +1 more source

Estimation up to a Change-Point

The Annals of Statistics, 1993
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Foster, Dean P, George, Edward I
openaire   +4 more sources

Noncooperative Spacecraft Pose Estimation Based on Point Cloud and Optical Image Feature Collaboration

Aerospace
Pose estimation plays a crucial role in on-orbit servicing technologies. Currently, point cloud registration-based pose estimation methods for noncooperative spacecraft still face the issue of misalignment due to similar point cloud structural features ...
Qianhao Ning, Hongyuan Wang, Zhiqiang Yan, Zijian Wang, Yinxi Lu   +4 more
doaj   +1 more source

Robust point cloud normal estimation via neighborhood reconstruction

Advances in Mechanical Engineering, 2019
This article presents a novel method for estimating normals on unorganized point clouds that preserves sharp features. Many existing methods are unable to reliably estimate normals for points around sharp features since the neighborhood employed for the ...
Zhiqiang Yu, Taiyong Wang, Ting Guo, Hongbin Li, Jingchuan Dong   +4 more
doaj   +1 more source

Point estimation for adaptive trial designs I: A methodological review. [PDF]

Stat Med, 2023
Robertson DS, Choodari-Oskooei B, Dimairo M, Flight L, Pallmann P, Jaki T.   +5 more
europepmc   +1 more source

Computer Model for an Intelligent Adjustment of Weather Conditions Based on Spatial Features for Soil Moisture Estimation

Mathematics
In this paper, an intelligent weather conditions fuzzy adjustment based on spatial features (IWeCASF) is developed. It is indispensable for our regional soil moisture estimation approach, complementing a point estimation model of soil moisture from the ...
Luis Pastor Sánchez-Fernández, Diego Alberto Flores-Carrillo, Luis Alejandro Sánchez-Pérez   +2 more
doaj   +1 more source