نتایج جستجو برای: haar system

تعداد نتایج: 2233911  

2011
Shuo Chen Chengjun Liu

The efficient and discriminating feature extraction is a significant problem in pattern recognition and computer vision. This paper presents a novel Discriminating Haar (D-Haar) features for eye detection. The DHaar feature extraction starts with a Principal Component Analysis (PCA) followed by a whitening transformation on the Haar feature space. A discriminant analysis is then performed on th...

2013
Valentina Emilia Balas Iulia M. Motoc Alina Barbulescu

This chapter shows that combining Haar-Hilbert and Log-Gabor improves iris recognition performance leading to a less ambiguous biometric decision landscape in which the overlap between the experimental intraand interclass score distributions diminishes or even vanishes. Haar-Hilbert, Log-Gabor and combined Haar-Hilbert and Log-Gabor encoders are tested here both for single and dual iris approac...

2007
Geovany A. Ramirez Olac Fuentes

We present a system for object detection applied to multi-pose face detection and street detection. Our system presents two main contributions. First, we introduce the use of asymmetric Haar features. Asymmetric Haar features provide a rich feature space, which allows to build classifiers that are accurate and much simpler than those obtained with other features. The second contribution is the ...

2015
Ruigang Wang Michael James Tippett Gabriele Pannocchia

A system is differentially flat if it is Lie–Bäcklund (L-B) equivalent to a free dynamical system that has dimensions equal to that of the input of the original system. Utilizing this equivalence, the problem of nonlinear model predictive control of a flat system can be reduced to a lower dimensional nonlinear programming problem with respect to the flat outputs. In this work, a novel computati...

Journal: :Proceedings of the Japan Academy, Series A, Mathematical Sciences 2012

Journal: :CoRR 2014
Sodeif Ahadpour Yaser Sadra

In this paper, after reviewing the main points of Haar wavelet transform and chaotic trigonometric maps, we introduce a new perspective of Haar wavelet transform. The essential idea of the paper is given linearity properties of the scaling function of the Haar wavelet. With regard to applications of Haar wavelet transform in image processing, we introduce chaotic trigonometric Haar wavelet tran...

The Haar wavelet collocation with iteration technique is applied for solving a class of time-fractional physical equations. The approximate solutions obtained by two dimensional Haar wavelet with iteration technique are compared with those obtained by analytical methods such as Adomian decomposition method (ADM) and variational iteration method (VIM). The results show that the present scheme is...

2011
S. M. Hashemiparast M. Sabzevari H. Fallahgoul

In this paper, we propose a new modification of rationalized Haar functions called rationalized Haar s-functions for the numerical solution of linear and nonlinear Volterra integral equations of the second kind. By selecting these functions and following the procedure of determining the wavelet expansion coefficients, the calculations are economized. This method converts the integral equation t...

Journal: :Curationis 1982
B N Hunt

Elkeen weet wat die gehalte van versorging wat die verpleegkundige aan haar pasiënte gee behoort te wees. Word hierdie behoort te wees egter so oorgedra na die werklike situasie? Dié vraag word objektief beskou aan die hand van navorsing oor pasiënt-tevredenheid, voorligting oor borsvoeding, die sterwende pasiënt en drukplekversorging. Die verpleegkundige moet haar pasiënt nie net met haar gevo...

2017
Paul Garrett

where d×x denotes a Haar measure on G. Up to constants, for (additive) Haar measure dx on A, d×x = dx/|detx|. For brevity, write |x| for |detx| when possible. [0.1] Convergence The integral defining us converges absolutely in Re(s) > n− 1: Recall the Iwasawa decomposition G = P ·K with P the parabolic subgroup of upper-triangular matrices. Since K is open in G, Haar measure on G restricted to K...

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