نتایج جستجو برای: successive projections algorithm

تعداد نتایج: 830484  

2003
Chandeok Park Panagiotis Tsiotras

We present a numerical algorithm for solving the Hamilton-Jacobi Bellman equation using a successive Galerkin-wavelet projection scheme. According to this scheme, the so-called Generalized-HamiltonJacobi-Bellman (GHJB) equation is solved iteratively starting from a stabilizing solution. As basis function for the Galerkin projections we consider the antiderivatives of the well-known Daubechies’ ...

2000
Erhard Cramer

The iterative proportional fitting procedure (IPF-P) is an algorithm to compute approximately probability measures with prescribed marginals. We propose two extensions of the IPF-P, called conditional iterative proportional fitting procedures (CIPF-P), so that, additionally, given conditional distributions are taken into account. This modification is carried out by using the geometrical interpr...

2013
X M Shu T Z Shi Y Liu H W Peng

The Visible/near-infrared reflectance (Vis/NIR) spectroscopy combined with multiple regression methods have been employed to assess various soil properties quantitatively. However, useless or irrelevant information in some bands worsen the performances of the calibrated models. Successive projections algorithm (SPA) is an effective technique for selecting informative variables, and its applicat...

2008
Roberto Kawakami Harrop Galvão Mário César Ugulino Araújo Edvan Cirino Silva Gledson Emidio José Henrique Mohallem Paiva

Journal: :Talanta 2009
Edilene Dantas Teles Moreira Márcio José Coelho Pontes Roberto Kawakami Harrop Galvão Mário César Ugulino Araújo

This paper proposes a methodology for cigarette classification employing Near Infrared Reflectance spectrometry and variable selection. For this purpose, the Successive Projections Algorithm (SPA) is employed to choose an appropriate subset of wavenumbers for a Linear Discriminant Analysis (LDA) model. The proposed methodology is applied to a set of 210 cigarettes of four different brands. For ...

Journal: :IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing 2021

Lake bathymetry plays a pivotal role in environmental monitoring, ecological management, water quality protection, etc. Hyperspectral remote sensing technology can provide large-scale coverage and more detailed spectral information for estimation than traditional measurements or multispectral imagery techniques. In this study, multiband linear model with successive projections algorithm (SPA-ML...

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