Results 61 to 70 of about 94,284 (293)

Computing a Compact Spline Representation of the Medial Axis Transform of a 2D Shape [PDF]

, 2014
We present a full pipeline for computing the medial axis transform of an arbitrary 2D shape. The instability of the medial axis transform is overcome by a pruning algorithm guided by a user-defined Hausdorff distance threshold.
Choi, Yi-King, Jüttler, Bert, Sun, Feng, Wang, Wenping, Zhu, Yanshu   +4 more
core   +1 more source

Mapping Nanoscale Protein‐Corona Kinetics of DoE‐Optimized Perfluorocarbon Encapsulated‐PLGA Nanoparticles by In Situ, Time‐Resolved Synchrotron SAXS

Advanced Healthcare Materials, EarlyView.
A two‐phase workflow (OFAT screening followed by central composite design) maps how processing variables tune PFCE‐PLGA nanoparticle size, dispersity, surface charge, loading, and 19F‐MRI signal. In situ, time‐resolved synchrotron SAXS tracks albumin‐corona growth on intact dispersions and reveals PFCE‐dependent adsorption pathways.
Joice Maria Joseph, Maria Rosa Gigliobianco, Cristina Minnelli, Paolo Moretti, Francesco Spinozzi, Giovanna Mobbili, Sara Pistolesi, Cristina Casadidio, Gabriella Teti, Roberta Censi, Stefano Antonio Gattone, Piera Di Martino   +11 more
wiley   +1 more source

Cognitive Trajectories from Preclinical Alzheimer's Disease to Dementia

Advanced Science, EarlyView.
A continuous, multi‐domain characterization of cognitive decline across the Alzheimer's disease spectrum identifies when individual cognitive measures become abnormal. Episodic memory declines first, followed by executive function, language, processing speed, and visuospatial abilities, supporting improved clinical interpretation and optimized endpoint
Fredrik Öhman, Lars Lau Raket, Michael Schöll, for the Alzheimer's Disease Neuroimaging Initiative†   +3 more
wiley   +1 more source

Neutrosophication of Neutrosophic B-Spline Curve Approximation Model [PDF]

Neutrosophic Sets and Systems
The neutrosophication process involves transforming crisp input value into neutrosophic value. It is a primary and crucial step for the operations within a neutrosophic set and system.
Siti Nur Idara Rosli , Mohammad Izat Emir Zulkifly   +1 more
doaj   +1 more source

Component Selection in the Additive Regression Model [PDF]

, 2010
Similar to variable selection in the linear regression model, selecting significant components in the popular additive regression model is of great interest.
Cui, Xia, Peng, Heng, Wen, Songqiao, Zhu, Lixing   +3 more
core  

Non-uniform spline recovery from small degree polynomial approximation [PDF]

, 2015
We investigate the sparse spikes deconvolution problem onto spaces of algebraic polynomials. Our framework encompasses the measure reconstruction problem from a combination of noiseless and noisy moment measurements.
De Castro, Yohann, Mijoule, Guillaume
core   +5 more sources

Phase Diagrams and Piezoelectric Properties of Wurtzite Al1−x−yScxGdyN Heterostructural Alloys

Advanced Science, EarlyView.
This study demonstrates ferroelectricity and piezoelectric properties improvement of quaternary wurtzite Al1−x−yScxGdyN${\rm Al}_{1-x-y}{\rm Sc}_x{\rm Gd}_y{\rm N}$ films, guided by density functional theory calculations. Wurtzite Al1−x−yScxGdyN${\rm Al}_{1-x-y}{\rm Sc}_x{\rm Gd}_y{\rm N}$ films have a high optical bandgap, enhanced piezoelectric ...
Julia L. Martin, Cheng‐Wei Lee, Nate S.P. Bernstein, Thi Nguyen, Ande Bryan, Eli Cooper, John S. Mangum, Sage R. Bauers, Andriy Zakutayev, Keisuke Yazawa, Prashun Gorai, Rebecca W. Smaha   +11 more
wiley   +1 more source

Quasi-interpolation in Spline Spaces: Local Stability and Approximation Properties

Trends in Computational and Applied Mathematics, 2023
In this work we analyze the approximation error in Sobolev norms for quasi-interpolation operators in spline spaces. We establish in a general way the hypotheses on a quasi-interpolant to achieve the optimal order of approximation.
M. E. Castillo, E. M. Garau
doaj   +1 more source

Development and Modelling of High-Efficiency Computing Structure for Digital Signal Processing

, 2011
The paper is devoted to problem of spline approximation. A new method of nodes location for curves and surfaces computer construction by means of B-splines and results of simulink-modeling is presented.
Lee, Hoon Jae, Sharma, Annapurna, Zaynidinov, Hakimjon   +2 more
core   +1 more source

On Approximation with Spline Generated Framelets [PDF]

Constructive Approximation, 2004
The authors characterize the approximation spaces associated with the best \(n\)-term approximation in \(L_p(\mathbb{R})\) \((1 ...
Gribonval, Rémi, Nielsen, Morten
openaire   +2 more sources