نتایج جستجو برای: overlapping multi grid patch

تعداد نتایج: 621538  

Journal: :Applied Mathematics and Computer Science 2007
Martin J. Gander Laurence Halpern Frédéric Magoulès François-Xavier Roux

Patch substructuring methods are non-overlapping domain decomposition methods like classical substructuring methods, but they use information from geometric patches reaching into neighboring subdomains, condensated on the interfaces, to enhance the performance of the method, while keeping it non-overlapping. These methods are very convenient to use in practice, but their convergence properties ...

2012
Konstantinos Bozas Ebroul Izquierdo

This paper introduces a hashing based framework that facilitates sketch based image retrieval in large image databases. Instead of exporting a single visual descriptor for every image, an overlapping spatial grid is utilised to generate a pool of patches. We rank similarities between a hand drawn sketch and the natural images in a database through a voting process where near duplicate in terms ...

Journal: :journal of electrical and computer engineering innovations 2016
abbas tabandeh amir abdollahi masoud rashidinejad

under the smart grid environment, demand response resources (drrs) are introduced as a virtual power plant to enhance power system adequacy. drrs often fail to reduce their load due to some external factors. in this paper, a reliability model of a drr is constructed as multi-state conventional generation units, where the probability, frequency of occurrence, and departure rate of each state can...

Journal: :international journal of smart electrical engineering 0
naser ghorbani eastern azarbayjan electric power distribution company, faculty of electrical and computer engineering, university of tabriz ebrahim babaei faculty of electrical and computer engineering, university of tabriz, sara laali faculty of electrical and computer engineering, university of tabriz payam farhadi young researchers club, parsabad moghan branch, islamic azad university

this paper proposes per unit coding for combined economic emission load dispatch problem. in the proposed coding, it is possible to apply the percent effects of elements in any number and with high accuracy in objective function. in the proposed per unit coding, each function is transformed into per unit form based on its own maximum value and has a value from 0 to 1. in this paper, particle sw...

Journal: :IEEE Open Journal of Antennas and Propagation 2021

This paper presents a fluidically loaded microstrip patch antenna on multi-layered substrate with frequency and polarization reconfigurability in the 2400 MHz band. A square at all corners short circuited λg/4 long stubs is utilized. An arrangement of fluidic channels fabricated by moulding Polydimethylsiloxane (PDMS) 3D printed mould incorporated beneath each stub. By injecting or withdrawing ...

2006
Feng Liu

Finding importance areas from images has been an important topic in graphics, multimedia and vision. In this paper, we present a supervised learning approach. We first collect a training set of color images and the labeled importance maps. Then we apply supervised learning to predict the importance maps as a function of the image. Our model uses a grid-shaped conditional random field that incor...

Journal: :CoRR 2015
Gustavo Chavez Alyn P. Rockwood

Marching surfaces is a method for isosurface extraction and approximation based on a G multisided patch interpolation scheme. Given a 3D grid of scalar values, an underlying curve network is formed using second order information and cubic Hermite splines. Circular arc fitting defines the tangent vectors for the Hermite curves at specified isovalues. Once the boundary curve network is formed, a ...

Journal: :journal of ai and data mining 2014
seyed mojtaba hosseinirad mehdi niazi j pourdeilami swapan kumar basu ali akbar pouyan

in wireless sensor networks (wsns), localization algorithms could be range-based or range-free. the approximate point in triangle (apit) is a range-free approach. we propose modification of the apit algorithm and refer as modified-apit. we select suitable triangles with appropriate distance between anchors to reduce pit test errors (edge effect and non-uniform placement of neighbours) in apit a...

Journal: :Remote Sensing 2021

In this study, multi-patch collaborative learning is introduced into variational low-rank matrix factorization to suppress mixed noise in hyperspectral images (HSIs). Firstly, based on the spatial consistency and nonlocal self-similarities, HSI partitioned overlapping patches with a full band. The similarity metric fusing features exploited select most similar construct corresponding patches. S...

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