Results 71 to 80 of about 1,379,599 (244)
Research progress in material decomposition algorithms for spectral CT
Cailiao gongchengSpectral computed tomography （spectral CT） is an emerging detection technology that acquires more comprehensive tissue composition information by measuring an object’s absorption of X-rays of different energies.
JIAO Zhi +3 more
doaj +1 more source
Advanced Engineering Materials, EarlyView.In situ synchrotron high‐energy X‐ray diffraction reveals the real‐time high‐temperature phase evolution of a ternary V‐9Si‐6.5B alloy. The study uncovers a kinetically delayed V5SiB2 → V8SiB4 transformation governed by massive structural and chemical barriers.
Zahra Sabeti +4 more
wiley +1 more source
EMD-based filtering (EMDF) of low-frequency noise for speech enhancement [PDF]
, 2012 An Empirical Mode Decomposition based filtering (EMDF) approach is presented as a post-processing stage for speech enhancement. This method is particularly effective in low frequency noise environments.
Soraghan, John J., Chatlani, Navin
core +4 more sources
Analysis of the singular value decomposition as a tool for processing microarray expression data [PDF]
, 2005 We give two informative derivations of a spectral algorithm for clustering and partitioning a bi-partite graph. In the first case we begin with a discrete optimization problem that relaxes into a tractable continuous analogue.
Kalna, G., Higham, D.J., Vass, J.K.
core +4 more sources
The vanishing role of money in the macroeconomy: An Empirical investigation based on spectral and wavelet analysis [PDF]
The recent de-emphasizing of the role of "money" in both theoretical macroeconomics as well as in the practical conduct of monetary policy sits uneasily with the idea that inflation is a monetary phenomenon.
Amlendu Kumar Dubey, D.M. Nachane
core +2 more sources
Advanced Engineering Materials, EarlyView.Solvate ionic liquids lubrication reduced the coefficient of friction by ∼60% compared to dry sliding, reaching steady‐state values as low as 0.04–0.05. Corrosion weight‐loss measurements in 1 M HCl further demonstrated significant inhibition behavior, with only 100 ppm of [Li(G3)][TFSI] (∼68.5 μL/L) reducing corrosion‐product weight loss by 63 ...
Sameh Dabees +6 more
wiley +1 more source
Efficient spectral data reduction for accurate iodine quantification in multi-energy CT
Scientific ReportsThis study proposes a spectral data reduction method for multi-channel computed tomography (CT) that optimizes material decomposition accuracy while minimizing data complexity.
Olivia F. Sandvold +7 more
doaj +1 more source
Dominant Scattering Mechanism Identification From Quad-Pol-SAR Data Analysis
IEEE Journal of Selected Topics in Applied Earth Observations and Remote SensingPolarimetric decompositions are used to separate scatterers and identify their physical parameters by analyzing backscattering, coherence, or covariance matrices.
Dehbia Hanis +3 more
doaj +1 more source
Geometry Preserving Sampling Method Based on Spectral Decomposition for Large-Scale Environments
Frontiers in Robotics and AI, 2020 In the context of 3D mapping, larger and larger point clouds are acquired with lidar sensors. Although pleasing to the eye, dense maps are not necessarily tailored for practical applications.
Mathieu Labussière +4 more
doaj +1 more source
Adaptive Foam 3D Printing of Ultralight and Multifunctional Materials
Advanced Engineering Materials, EarlyView.Adaptive foam 3D printing, enabled by expandable microspheres, imparts cellular structures to thermoplastic and thermosetting polymers, manufactured through a variety of processes including fused filament fabrication, direct ink writing, digital light processing, and inkjet printing.
Nariman Rajabifar, Amir Ameli
wiley +1 more source