Results 21 to 30 of about 464,387 (271)

Quality assessment by region in spot images fused by means dual-tree complex wavelet transform [PDF]

open access: yes, 2011
This work is motivated in providing and evaluating a fusion algorithm of remotely sensed images, i.e. the fusion of a high spatial resolution panchromatic image with a multi-spectral image (also known as pansharpening) using the dual-tree complex wavelet
Arquero Hidalgo, Águeda   +2 more
core   +2 more sources

Estimation of Pan Coefficient using M5 Model Tree [PDF]

open access: yesAmerican Journal of Environmental Sciences, 2012
Problem statement: Pan Evaporation has extensively been used for esti mating reference Evapotranspiration (ETo) due to its simplicity, low cost, ease of data interpretation and application and suitability for locations with limited availability of meteorological data.
openaire   +1 more source

Multiple Dirichlet Series for Affine Weyl Groups [PDF]

open access: yes, 2014
Let $W$ be the Weyl group of a simply-laced affine Kac-Moody Lie group, excepting $\tilde{A}_n$ for $n$ even. We construct a multiple Dirichlet series $Z(x_1, \ldots x_{n+1})$, meromorphic in a half-space, satisfying a group $W$ of functional equations ...
Whitehead, Ian
core   +3 more sources

Dependency of Evaporation and Class A Pan Coefficient on Meteorological Parameters [PDF]

open access: yesInternational Journal of Environmental Sciences & Natural Resources, 2020
In this article, the relation of evaporation deriving meteorological parameters particularly wind speed, solar radiation and vapor pressure deficit with evaporation schemes namely Class A pan evaporation (Ep), potential evapotranspiration (PET) and reference evapotranspiration (ETo) at Tharandt, Germany for the years from 2004 to 2013 was investigated.
openaire   +1 more source

Homogeneous links and the Seifert matrix [PDF]

open access: yes, 2011
Homogeneous links were introduced by Peter Cromwell, who proved that the projection surface of these links, that given by the Seifert algorithm, has minimal genus. Here we provide a different proof, with a geometric rather than combinatorial flavor.
Burde   +5 more
core   +4 more sources

A NOVEL IHS-GA FUSION METHOD BASED ON ENHANCEMENT VEGETATED AREA [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2015
Pan sharpening methods aim to produce a more informative image containing the positive aspects of both source images. However, the pan sharpening process usually introduces some spectral and spatial distortions in the resulting fused image. The amount of
S. Niazi, M. Mokhtarzade, F. Saeedzadeh
doaj   +1 more source

Influences of PAN Fiber on Performance of Automobile Friction Materials

open access: yesCailiao gongcheng, 2017
The PAN (Polyacrylonitrile) fiber enhanced friction materials were prepared by hot-press method based on a low metal formula, and the influences of PAN fiber content on the physical performance mechanical property, friction and wear properties and brake ...
LIU Bo-wei   +5 more
doaj   +1 more source

Evaporation Estimation Using Adaptive Neuro-Fuzzy Inference System and Linear Regression [PDF]

open access: yesEngineering and Technology Journal, 2014
Evaporation is important for water planning, management and hydrological practices, and it plays an influential role in the management and development of water resources.
Ali H. Al-Aboodi
doaj   +1 more source

Application of Fuzzy control algorithms for electric vehicle antilock braking/traction control systems [PDF]

open access: yes, 2003
—The application of fuzzy-based control strategies has recently gained enormous recognition as an approach for the rapid development of effective controllers for nonlinear time-variant systems.
Bingham, Chris   +3 more
core   +1 more source

An integrated scheme to improve pan-sharpening visual quality of satellite images

open access: yesEgyptian Informatics Journal, 2015
Pan-sharpening is the process to fuse a low-resolution multispectral (MS) image with a high-resolution panchromatic (Pan) image to construct high spatial and spectral resolution MS image.
A.K. Helmy, Gh.S. El-Tawel
doaj   +1 more source

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