Results 61 to 70 of about 12,117,820 (296)

An improved spectral decomposition flexibility perturbation method for finite element model updating

Advances in Mechanical Engineering, 2018
Finite element analysis is the most powerful tool to predict the behavior of a structure in engineering practice. Generally, the initial finite element model must be corrected with experimental data due to its complexity.
QW Yang, BX Sun, C Lu
doaj   +1 more source

A Novel Waveform Decomposition and Spectral Extraction Method for 101-Channel Hyperspectral LiDAR

Remote Sensing, 2022
The 101-channel full-waveform hyperspectral LiDAR (FWHSL) is able to simultaneously obtain geometric and spectral information of the target, and it is widely applied in 3D point cloud terrain generation and classification, vegetation detection, automatic
Yuhao Xia, Shilong Xu, Jiajie Fang, Ahui Hou, Youlong Chen, Xinyuan Zhang, Yihua Hu   +6 more
doaj   +1 more source

A Practical Noise2Noise Denoising Pipeline for High‐Throughput Raman Spectroscopy

Advanced Engineering Materials, EarlyView.
A lightweight and reproducible denoising pipeline for high‐throughput Raman spectroscopy is introduced, based on a 1D convolutional autoencoder trained with a Noise2Noise strategy. Using only repeated short‐exposure acquisitions, the method suppresses stochastic noise without reference spectra, enabling reliable spectral reconstruction while preserving
David Martin‐Calle, Cesar Alvarez‐Llamas, Vincent Motto‐Ros, Christophe Dujardin, Jérémie Margueritat, David Rodney   +5 more
wiley   +1 more source

Pansharpening With Joint Local Low Rank Decomposition and Hierarchical Geometric Filtering

IEEE Access, 2019
Extracting matched details of the PANchromatic (PAN) image and injecting them into the MultiSpectral (MS) images, is very crucial in pansharpening.
Yuteng Gao, Chengtian Song, Chen Yang, Min Wang, Shuyuan Yang   +4 more
doaj   +1 more source

Experimental comparison of empirical material decomposition methods for spectral CT

Physics in Medicine and Biology, 2015
Material composition can be estimated from spectral information acquired using photon counting x-ray detectors with pulse height analysis. Non-ideal effects in photon counting x-ray detectors such as charge-sharing, k-escape, and pulse-pileup distort the detected spectrum, which can cause material decomposition errors.
Zimmerman, Kevin C., Schmidt, Taly Gilat
openaire   +3 more sources

Influence of Scan Strategies in Electron Beam Powder Bed Fusion on Solidification, Microstructure, and High‐Temperature Compressive Properties of γ′‐Strengthened Inconel 738LC

Advanced Engineering Materials, EarlyView.
Experiments and thermophysical simulations were conducted to investigate the electron beam powder bed fusion electron beam (PBF‐EB/M) process for the γ′‐strengthened nickel‐based superalloy Inconel 738LC. The results demonstrate the impact of process‐induced microstructural variations on high‐temperature mechanical behavior, providing a basis for ...
Jan Niklas Petenati, Karthik Kumar Banku, Prasanth Bondi, Ivan Zhirnov, Yangyiwei Yang, Gordon Schmidt, Jürgen Christen, Georg Hasemann, Manja Krüger, Bai‐Xiang Xu, Bilal Gökce, Silja‐Katharina Rittinghaus   +11 more
wiley   +1 more source

Tensor Decomposition for Fast Parsing with Latent-Variable PCFGs [PDF]

, 2012
We describe an approach to speed-up inference with latent-variable PCFGs, whichhave been shown to be highly effective for natural language parsing. Our approachis based on a tensor formulation recently introduced for spectral estimation oflatent-variable
Collins, Michael, Cohen, Shay
core  

Synchrosqueezing-based Transform and its Application in Seismic Data Analysis [PDF]

Iranian Journal of Oil & Gas Science and Technology, 2015
Seismic waves are non-stationary due to its propagation through the earth. Time-frequency transforms are suitable tools for analyzing non-stationary seismic signals.
Saman Gholtashi, Mohammad Amir Nazari Siahsar, Amin RoshandelKahoo, Hosein Marvi, Alireza Ahmadifard   +4 more
doaj   +1 more source

Spectral Domain Decomposition Method for Natural Lighting and Medieval Glass Rendering [PDF]

2014 IEEE Intl Conf on High Performance Computing and Communications, 2014 IEEE 6th Intl Symp on Cyberspace Safety and Security, 2014 IEEE 11th Intl Conf on Embedded Software and Syst (HPCC,CSS,ICESS), 2014
In this paper, we use an original ray-tracing domain decomposition method to address image rendering of naturally lighted scenes. This new method allows to particularly analyze rendering problems on parallel architectures, in the case of interactions between light-rays and glass material.
Gbikpi-Benissan, G., Cerise, Remi, Callet, Patrick, Magoules, F.   +3 more
openaire   +4 more sources

External and Internal Cracking Caused by Heat Treatment in Laser Powder Bed Fusion‐Fabricated Inconel 738LC Components

Advanced Engineering Materials, EarlyView.
Manufacturing problems such as heat treatment‐induced cracking hinder the widespread application of the laser powder bed fusion (LPBF) process to superalloys. In this study, cracks in the LPBF components of Inconel 738LC superalloy are characterized after heat treatment at various temperature ranges, revealing two distinct cracking behaviors.
Kosuke Kuwabara, Masahiro Kusano, Ayako Ikeda, Toshio Osada, Makoto Watanabe   +4 more
wiley   +1 more source