Image enhancement and denoising by complex diffusion processes

2004 ◽  
Vol 26 (8) ◽  
pp. 1020-1036 ◽  
Author(s):  
G. Gilboa ◽  
N. Sochen ◽  
Y.Y. Zeevi
Keyword(s):  
Image Enhancement ◽  
Diffusion Processes ◽  
Complex Diffusion

Thin Scandium Layer on Solid Aluminium: Thermodynamic Investigation

2011 ◽  
Vol 312-315 ◽  
pp. 211-216 ◽  
Author(s):  
A.B. Shubin ◽  
K. Y. Shunyaev ◽  
L.F. Yamshchikov
Keyword(s):  
Intermetallic Compounds ◽  
Electrochemical Deposition ◽  
Electromotive Force ◽  
Diffusion Processes ◽  
Metallic Surface ◽  
Emf Method ◽  
Thermodynamic Investigation ◽  
Complex Diffusion ◽  
Phase Sequence

Thin scandium-containing layers fabricated by different methods are good systems to investigate some properties of Al-Sc intermetallic compounds (IMC). The electrochemical deposition of a thin scandium layer onto a solid metallic surface leads to complex diffusion processes, especially if the second metal forms a number of IMC with Sc. Here, we used the electromotive force (EMF) method to study thin Al-Sc films in dynamics. Also, the Al-Sc alloy layers were prepared by direct aluminium-scandium interaction. The results of SEM and EDX investigations of these alloys are also presented in this paper. Analogue coatings (like Sc on Ni, Y on Cu, Al on Ni etc.) were also considered in order to discuss the phase sequence formation.

scholarly journals Stability of Finite Difference Schemes for Complex Diffusion Processes

2012 ◽  
Vol 50 (3) ◽  
pp. 1284-1296 ◽  
Author(s):  
Adérito Araújo ◽  
Sílvia Barbeiro ◽  
Pedro Serranho
Keyword(s):  
Finite Difference ◽  
Diffusion Processes ◽  
Difference Schemes ◽  
Finite Difference Schemes ◽  
Complex Diffusion

Certain Problems with the Application of Stochastic Diffusion Processes for the Description of Chemical Engineering Phenomena. Relations between Different Types of Diffusion Equations

1992 ◽  
Vol 57 (6) ◽  
pp. 1248-1261 ◽  
Author(s):  
Vladimír Kudrna ◽  
Daniel Turzík
Keyword(s):  
Differential Equations ◽  
Diffusion Equation ◽  
Stochastic Differential Equations ◽  
Chemical Engineering ◽  
Diffusion Processes ◽  
Point Of View ◽  
Diffusion Equations ◽  
Complex Diffusion ◽  
Different Types ◽  
Individual Particles

The dependence is discussed between the "clasical" diffusion equation commonly used in chemical engineering and the stochastic differential equations which describe this diffusion from the point of view of micromotion of individual particles. The resulting equations can be useful above all for the modelling of more complex diffusion processes.

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