Results 11 to 20 of about 251,704 (215)

Face Detection with Effective Feature Extraction [PDF]

open access: yes, 2010
There is an abundant literature on face detection due to its important role in many vision applications. Since Viola and Jones proposed the first real-time AdaBoost based face detector, Haar-like features have been adopted as the method of choice for ...
C. Huang   +10 more
core   +1 more source

Chronic cough in Germany: results from a general-population survey

open access: yesERJ Open Research, 2022
Background Chronic cough (CC) which is defined ≥8 weeks is a common condition in clinical practice. However, estimates of prevalence and associated comorbidities in German adults and key subgroups of age and gender are lacking.
J. Christian Virchow   +7 more
doaj   +1 more source

Verhaal achter vrijwilligerstoerisme

open access: yesJournal of Social Intervention, 2017
Verhaal achter vrijwilligerstoerismeVrijwilligerstoerisme is een groeiende sector. Per jaar reizen ruim 7000 Nederlandse vrijwilligers af naar ontwikkelingslanden met als doel zichzelf te ontwikkelen, kennis te maken met een andere cultuur en zich in te ...
Sena Ebbers
doaj   +1 more source

Green–Haar wavelets method for generalized fractional differential equations

open access: yesAdvances in Difference Equations, 2020
The objective of this paper is to present two numerical techniques for solving generalized fractional differential equations. We develop Haar wavelets operational matrices to approximate the solution of generalized Caputo–Katugampola fractional ...
Mujeeb ur Rehman   +4 more
doaj   +1 more source

Coefficients of multiple Fourier-Haar series and variational modulus of continuity

open access: yesҚарағанды университетінің хабаршысы. Математика сериясы, 2023
In this paper, we introduce the concept of a variational modulus of continuity for functions of several variables, give an estimate for the sum of the coefficients of a multiple Fourier-Haar series in terms of the variational modulus of continuity, and ...
T.B. Akhazhanov   +3 more
doaj   +1 more source

Image Compression using Haar and Modified Haar Wavelet Transform

open access: yesTikrit Journal of Engineering Sciences, 2011
Efficient image compression approaches can provide the best solutions to the recent growth of the data intensive and multimedia based applications. As presented in many papers the Haar matrix–based methods and wavelet analysis can be used in various ...
Mohannad Abid Shehab Ahmed   +2 more
doaj   +1 more source

A financial option perspective on energy security and strategic storage

open access: yesEnergy Strategy Reviews, 2019
On the whole, research into energy security falls into one of three perspectives: The political perspective, the engineering and geologic perspective, or the economic perspective emphasising market resilience. Common to these perspectives is the emphasis
Lawrence Haar, Laura N. Haar
doaj   +1 more source

Digital medicine: the next big leap advancing cardiovascular science

open access: yesBMC Cardiovascular Disorders, 2023
Solid clinical and academic leadership remains necessary to ensure that healthcare based on digital technologies is relevant, meaningful, and stands on the best possible evidence.
Alexander Kharlamov, Morten Lamberts
doaj   +1 more source

Comparative Analysis of Human Detection using Depth Data and RGB Data with Kalman Filter: A Study on Haar and LBP Methods

open access: yesJOIV: International Journal on Informatics Visualization
Accurate human detection in video streams with occlusions, illumination variances, and varying distances is crucial for various applications, including surveillance, human-computer interaction, and robotics. This study investigates the performance of two
Fira Aulia   +2 more
doaj   +1 more source

Analisis Perbandingan Kompresi Haar Wavelet Transform dengan Embedded Zerotree Wavelet pada Citra

open access: yesJurnal Elkomika, 2015
ABSTRAKKompresi data merupakan salah satu teknologi pemicu revolusi multimedia. Haar Wavelet mampu merepresentasikan ciri tekstur dan bentuk, sedangkan Embedded Zerotree Wavelet (EZW) mampu menyusun bit-bit menurut tingkat prioritas, sehingga mampu ...
LEDYA NOVAMIZANTI, ADRIAN KURNIA
doaj   +1 more source

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