Results 121 to 130 of about 93,759 (275)

Contact Force Estimation of Continuum Robots without Embedded Sensors: A Review

Advanced Intelligent Systems, EarlyView.
This review surveys methods for estimating contact forces in continuum robots without embedded sensors. It explains why contact force matters, classifies force patterns, and groups existing methods into three approaches based on actuation, deformation, and environment information.
An Hu, Yu Sun
wiley   +1 more source

Amyotrophic Lateral Sclerosis and Frontotemporal Dementia Have Distinct Prediagnostic Blood Biochemical Profiles

Annals of Neurology, EarlyView.
Objective Identifying modifiable factors influencing amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD) risk is important for prevention. Blood biomarkers, particularly cholesterol, have been associated with neurodegenerative risk, but findings in ALS are inconsistent, and data on FTD are limited.
Christos V. Chalitsios, Jiali Gao, Carol A.C. Coupland, Julia Hippisley Cox, Martin R. Turner, Alexander G. Thompson   +5 more
wiley   +1 more source

Images denoising in case impulse noise using spline approximation

MATEC Web of Conferences, 2018
Analytical equations of a new spline approximation method for filtering impulse noise in images are obtained. The proposed method differs from the known ones: when filtering images, one-dimensional sequential spline functions are used for direct and ...
Bezuglov Dmitriy A., Voronin Viacheslav V., Krutov Vladimir A.   +2 more
doaj   +1 more source

Adherence to the Mediterranean and Mediterranean‐Dietary Approaches to Stop Hypertension Intervention for Neurodegenerative Delay (MIND) Diets and Parkinson's Disease Incidence in Women: Results from the Prospective E3N Cohort

Annals of Neurology, EarlyView.
Objective The evidence regarding adherence to dietary patterns and Parkinson's disease (PD) risk is inconsistent. Because of the long prodromal PD phase, reverse causation represents a major threat to investigations of diet in relation to PD. We examined whether adherence to the Mediterranean (MED) and Mediterranean‐Dietary Approaches to Stop ...
Mariem Hajji‐Louati, Emmanuelle Correia, Pei‐Chen Lee, Fanny Artaud, Emmanuel Roze, Francesca Romana Mancini, Alexis Elbaz   +6 more
wiley   +1 more source

Brain Atrophy Associated With Risk Variant rs10191329 Extends Beyond Multiple Sclerosis

Annals of Neurology, EarlyView.
The risk allele rs10191329*A is associated with disease severity and brain atrophy in people with multiple sclerosis (MS). We investigated the association of rs10191329 with age‐related brain atrophy in a population‐based cohort using 10,308 magnetic resonance imaging (MRI) scans of 4,815 participants aged ≥ 45 years without MS in cross‐sectional and ...
Cato E. A. Corsten, Ana M. Marques, Elisabeth J. Vinke, C. Louk de Mol, Rinze F. Neuteboom, M. Kamran Ikram, Mohsen Ghanbari, Frank J. Wolters, Beatrijs Wokke, Meike W. Vernooij, Joost Smolders   +10 more
wiley   +1 more source

Spline approximations

, 2019
Dissertatsioonis on käsitletud kolme probleemi splainide teooriast. Esiteks vaadeldakse kuupsplainidega histopoleerimist. Antud on suvaliselt paiknevate sõlmedega ja suvaliste kõrgustega histogramm. Näidatakse, et alati on olemas histopoleeriv kuupsplain üldka-su¬tatavate rajatingimuste korral.
openaire   +2 more sources

Legendre-tau approximation for functional differential equations. Part 2: The linear quadratic optimal control problem [PDF]

The numerical scheme based on the Legendre-tau approximation is proposed to approximate the feedback solution to the linear quadratic optimal control problem for hereditary differential systems. The convergence property is established using Trotter ideas.
Ito, K., Teglas, R.
core   +1 more source

Convex Approximation by Quadratic Splines

Journal of Approximation Theory, 1993
The author estimates the error of approximation by \(C^ 1\)-convex quadratic splines of a given convex function \(f\) without any smoothness requirements on its derivative in terms of \(\omega_ 3(f,{1 \over n})\). Actually, he proves the following main Theorem: Let \(f \in C[0,1]\) be a convex, and \(n\) a positive integer.
openaire   +2 more sources

Exergy and Economic Analysis of Hybrid Mechanical Vapor Compression and Membrane Distillation

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Hybridization of two or more desalination processes has been identified as an attractive option for improved energy efficiency and recovery rate. To appropriately assess the performance enhancement of hybrid desalination systems, an integrated approach for energy, exergy, economic, and environmental investigations should be adopted. This study
Emad Ali, Jamel Orfi
wiley   +1 more source

The morphology of the oval window in Paranthropus robustus compared to humans and other modern primates

The Anatomical Record, EarlyView.
Abstract The oval window (OW) is an opening connecting the inner and middle ear. Its area has been shown to consistently scale with body mass (BM) in primates, and has been used alongside semi‐circular canal (SCC) size to differentiate Homo sapiens and fossil hominins, including Paranthropus robustus.
Ruy Fernandez, José Braga
wiley   +1 more source