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updated 8 months ago

Diffusion in 1D and 2D by Suraj Shankar

The parabolic diffusion equation is simulated in both 1D and 2D (finite difference, diffusion, iitm)

Diffusion_1D.m

Diffusion_2D.m

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updated 10 months ago

RAPID: a Routine Assurance Pipeline for Imaging of Diffusion by Silvia

uses diffusion MRI data for Quality Assurance of diffusion acquisitions (diffusion, mri, quality assurance)

DTI_bootstrap.m

DTI_metrics.m

DTI_metrics_2.m

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updated 1 year ago

2d diffusion simulation, GUI by Maxim Vedenyov

points with random step each frame of time (diffusion, simulation, random walk)

run_me(varargin)

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updated 2 years ago

Files associated with FREE finite difference textbook by Clive

m-files to implement classical finite difference schemes for partial differential equations. (diffusion, finite difference met..., cfd)

Casestudychapter3

LaplaceGStest

LaplaceJacobigeneral

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updated 2 years ago

frap_analysis by Peter Jönsson

Analyzes fluorescence recovery after photobleaching (FRAP) data using the Hankel transform method. (analysis, mobility, frap)

[Ir,r,R,rmax]=I_radial(N,x_cm,y_cm,Xx,Yy,I,rmax)

[dy,y_fit]=fkn_dbl_exp_fit(p,t,Fr,k)

[dy,y_fit]=fkn_dbl_exp_fit_k(p,t,Fr,k)

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updated 2 years ago

Image Edge Enhancing Coherence Filter Toolbox by Dirk-Jan Kroon

Advanced 2D/3D noise removal and edge enhancing with anisotropic diffusion filtering ( Weickert ) (3d, ridge, image enhancement)

CoherenceFilter(u,Options)

D=derivatives(I,option)

I=imgaussian(I,sigma,siz)

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updated almost 4 years ago

Log-Uniform Jump-Diffusion Model by Rodolphe Sitter

European call option price and implied volatility for a Log-Uniform Jump-Diffusion model. (diffusion, european call, jump)

BS(S0,t,K,T,Rgrow,Rdisc,sigma)

JDimpv(S0, X, r, T, a, b, lambda, value)

JDprice(S0, X, r, T, vol, a, b, lambda, m)

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updated almost 4 years ago

GPU Perona - Malik Anisotropic Diffusion by Roberto Gallea

GPU version of the anisostropic diffusion filter by Perona and Malik, created using mex and CUDA. (diffusion, gpu, cuda)

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updated 4 years ago

Molecular Image Denoising by Jeny Rajan

Program for removing noise from molecular level images (enhancement, molecular image, image denoising)

R=hybrid(I,T)

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updated 4 years ago

DTI and Fiber Tracking by Dirk-Jan Kroon

Diffusion MRI (DTI), calculates FA, ADC, Vector Field, and will track and visualize neural tracts. (dti, mri, diffusion)

[ADC,FA,VectorF,DifT]=DTI(DTIdata,parameters)

[info] =gipl_read_header(fname)

fibers=FT(FA,VectorF,Roi,parameters)

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updated 5 years ago

Diffusion-induced instability in a coupled reactor system by Housam Binous

Computes bifurcation diagram (chemistry, physics, diffusion)

f=diff_dengharrison(a)

xdot=dengharrison(t,x)

Main_DengHarrison.m

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updated almost 6 years ago

Anisotropic Diffusion (Perona & Malik) by Daniel Lopes

A set of filters that perform 1D, 2D and 3D conventional anisotropic diffusion (gray scale data). (anisotropic, filtering, diffusion)

anisodiff1D(sig, num_iter, delta_t, kappa, option)

anisodiff2D(im, num_iter, delta_t, kappa, option)

anisodiff3D(vol, num_iter, delta_t, kappa, option, voxel_sp...

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updated 6 years ago

Interpolation with Reverse Diffusion by Olivier Salvado

Partial volume correction method using reverse diffusion interpolation (enhancement, interpolation, diffusion)

PVcorr2D(Ir,ratio,option);

go1.m

uigetfiles.m

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updated 7 years ago

Permeation timelag in polymer hollow fiber membrane by k wang

Simulate the timelag at two models. (chemistry, physics, permeation)

HFM_numerical1(cm0,cdx0,zz,F,r1,r2,K,alfa,model_indi)

hfm_nu1(r1, r2, D,F,K,alfa,y, model_indi)

Phfm3d.m

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updated 8 years ago

Steady 1-Dimensional Convection and Diffusion by mohd anuar abd aziz

Steady 1-Dimensional convection and diffusion using central differencing, upwind differencing ... (upwind, tdma, cfd)

[x,T]=tdma(u,N,S)

cfd3.m

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updated 8 years ago

Solution of a Maxwell Stefan Diffusion Problem by Housam Binous

Solving the Maxwell-Stefan equations using the shooting methods. (chemistry, physics, maxwellstefan equatio...)

f=shooting(N)

ydot=MaxwellStefan(t,y)

Stefan_Maxwell_Main.m

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updated 11 years ago

CEI by Bjorn Gustavsson

I_P_DI_DDD2D - Simple continuity-equation-integrator. (chemistry, physics, continuityequation in...)

I_p_dI_ddd2D(I,Q,dt,x,y,tau,D,vx,vy)

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