Results 31 to 40 of about 653,157 (286)

Parameter‐adaptive nighttime image enhancement with multi‐scale decomposition

open access: yesIET Computer Vision, 2016
As a challenging problem, image enhancement plays an important role in computer vision applications and has been widely studied. As one of the most difficult issues of image enhancement, outdoor nighttime image enhancement suffers from noise ...
Shuhang Wang, Jin Zheng, Bo Li
doaj   +1 more source

Multiscale decompositions on bounded domains [PDF]

open access: yesTransactions of the American Mathematical Society, 2000
A construction of multiscale decompositions relative to domains Ω
Cohen, A., Dahmen, W., DeVore, R.
openaire   +1 more source

Shape classification via image-based multiscale description [PDF]

open access: yes, 2011
We introduce a new multiscale Fourier-based object description in 2-D space using a low-pass Gaussian filter (LPGF) and a high-pass Gaussian filter (HPGF), separately.
Mark S. Nixon   +3 more
core   +1 more source

Intelligent Timber Damage Monitoring Using PZT-Enabled Active Sensing and Intrinsic Multiscale Entropy Analysis

open access: yesApplied Sciences, 2022
Timber has been commonly used in the field of civil engineering, and the health condition of timber is of great significance for the whole structure in practical scenarios.
Shuai Guo   +5 more
doaj   +1 more source

Multiscale Geometric Integration of Deterministic and Stochastic Systems [PDF]

open access: yes, 2011
In order to accelerate computations and improve long time accuracy of numerical simulations, this thesis develops multiscale geometric integrators. For general multiscale stiff ODEs, SDEs, and PDEs, FLow AVeraging integratORs (FLAVORs) have been ...
Tao, Molei
core   +1 more source

An automated multiscale ensemble simulation approach for vascular blood flow [PDF]

open access: yes, 2015
Cerebrovascular diseases such as brain aneurysms are a primary cause of adult disability. The flow dynamics in brain arteries, both during periods of rest and increased activity, are known to be a major factor in the risk of aneurysm formation and ...
Itani, MA   +23 more
core   +1 more source

An overview of the proper generalized decomposition with applications in computational rheology [PDF]

open access: yes, 2011
We review the foundations and applications of the proper generalized decomposition (PGD), a powerful model reduction technique that computes a priori by means of successive enrichment a separated representation of the unknown field.
Leygue, A.   +11 more
core   +1 more source

Spectral Segmentation with Multiscale Graph Decomposition

open access: yes2005 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR'05), 2005
We present a multiscale spectral image segmentation algorithm. In contrast to most multiscale image processing, this algorithm works on multiple scales of the image in parallel, without iteration, to capture both coarse and fine level details. The algorithm is computationally efficient, allowing to segment large images.
Timothée Cour   +2 more
openaire   +2 more sources

Coarse-grained modeling of multiscale diffusions : the p-variation estimates [PDF]

open access: yes, 2010
We study the problem of estimating parameters of the limiting equation of a multiscale diffusion in the case of averaging and homogenization, given data from the corresponding multiscale system.
Papavasiliou, Anastasia   +1 more
core   +1 more source

Hybrid continuum–molecular modelling of multiscale internal gas flows [PDF]

open access: yes, 2013
We develop and apply an efficient multiscale method for simulating a large class of low-speed internal rarefied gas flows. The method is an extension of the hybrid atomistic–continuum approach proposed by Borg et al.
Reese, Jason M.   +3 more
core   +1 more source

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