anisotropic diffusion equations
A Cell-centered Scheme for Solving Anisotropic Diffusion Equations on Skewed Meshes
... In the early local support operator method (LSOM) [1], auxiliary unknowns defined at the edges are introduced and treated as primary unknowns, so that the flux can be discretized with local stencils. The edge unknowns ...
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Image Denoising Using Anisotropic Diffusion Equations on Reflection and illumination Components of Image
... coherence-enhancing diffusion (CED) model which preserves the coherence structures of ...adaptive diffusion which could sharpen the edges in backward process, in addition to smoothing noises in forward ...
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Modeling anisotropic diffusion using a departure from isotropy approach
... solve anisotropic diffusion ...isotropic diffusion and another component associated with departure from isotropic ...isotropic diffusion equation with additional terms to account for the ...
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Weld defect detection using a modified anisotropic diffusion model
... Perona-Malik anisotropic diffusion rules and the improved diffusion model proposed by Shin-Du [14] are developed in Section ...proposed anisotropic diffu- sion model and presents experimental ...
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Two Stage Fingerprint Image Enhancement Algorithm by Anisotropic Diffusion
... enhancement anisotropic diffusion in [3] and the contrast enhancement using modified edge enhancement anisotropic diffusion proposed by Zhang in [8] are described, ...
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Anisotropic diffusion limited aggregation in three dimensions : universality and nonuniversality
... versal, anisotropic asymptotic states independent of the level of noise reduction, and that the approach to each of these states follows a single ...an anisotropic fixed point in the same fashion, the exis- ...
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Encoding Possible Final States of the Universe with Conformal Structures
... Quiescent cosmology only required that the initial state of the universe was similar to, but not exactly like an FRW model, in which these equations certainly hold. In this sense it is justified to term the more ...
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Morphological Evolution of Pit Patterned Si(001) Substrates Driven by Surface Energy Reduction
... The work is organized as follows. In the “Phase-Field Model” section, we briefly illustrate the phase-field model used to describe the evolution by surface diffusion includ- ing anisotropic surface energy. ...
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Kinetic equations and anisotropic hydrodynamics for quark and gluon fluids
... In this paper we have studied the mixture of quark, antiquark, and gluon fluids within the relativis- tic kinetic theory framework treated in the relaxation time approximation. We have shown that the resulting solutions ...
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Anisotropic diffusion at a melting surface studied with He-atom scattering
... The diffusion mechanism along [001] and the high value of the estimated activation energy as well as the pronounced anisotropy in the surface diffusion constant clearly demonstrate the e[r] ...
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Visualization of Nonstructural Changes in Early White Matter Development on Diffusion Weighted MR Images: Evidence Supporting Premyelination Anisotropy
... with diffusion sensitizing gradients applied in orthogonal ...them. Diffusion anisotropy was assessed on a voxel-by-voxel basis by constructing a ratio of intensities from images with equal b values but ...
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Digital Restoration of Archaeological Heritage
... Perona-Malik Anisotropic Diffusion is applied to the greyscale image, which removes all unwanted image noise from the image, while keeping all the significant image content like the edges/lines ...
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A review on performance evaluation of anisotropic diffusion filter for denoising the speckle noise in retinal images
... Anisotropic diffusion filter is a technique to reduce the noise from the retinal image without removing the salient parts of the retinal image content such as edges, lines and other details that are ...
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Segmentation And Classification Of Breast Lesions In Ultrasound Images
... The test image used in this research comes from our breast US image database and the lesion’s boundary is manually outlined by experienced radiologists. Fig. 2(a) shows the original BUS image used as input to our ...
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Solutions of Fractional Diffusion Equations and Cattaneo-Hristov Diffusion Model
... This method of resolution seems very useful and practical to get the analytical solution of the fractional diffusion equations. If the temperature of the plate is null, the integral method described above ...
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On dual integral equations arising in problems of bending of anisotropic plates
... In this paper we consider dual integral equations, which arise in boundary value problems of bending of anisotropic plates.. The function involved in these equations is a linear combinat[r] ...
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SPECKLE NOISE REDUCTION USING BILATERAL FILTER
... This algorithm approach for noise reduction requires the image to be scanned pixel by pixel. Firstly we have load the image in tiff format & then we have added speckle noise i.e multiplicative noise to input image. ...
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Fractional chemotaxis diffusion equations
... We also introduced Monte Carlo methods for simulating anomalous sub-diffusion in a chemotactic force field. In the Monte Carlo simulations the chemotactically influenced jump lengths were computed at the end of ...
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Anisotropic Diffusion in Toroidal geometries*
... heat diffusion is mostly in the direction of the magnetic field described by a large toroidal part and a poloidal perturbation (in the JOREK code the toroidal part of magnetic field is assumed constant in ...the ...
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Brain Tumor Segmentation of Noisy MRI Images using Anisotropic Diffusion Filter
... Abstract— The brain tumor segmentation on Magnetic Resonance Image(MRI) is a very difficult and important task which are used in surgical and medical planning and assessments. If experts do the segmentation manually with ...
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