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updated 1 month ago

Brain Message v 1.0 to write secret messages into fMRI by Vanessa

Write secret messages in fMRI data to be uncovered with independent component analysis (fmri, ica, independent component...)

BrainMessage(message,outname)

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updated 4 months ago

MRI Partial Fourier reconstruction with POCS by Michael Völker

Fast and robust reconstruction of Cartesian partial Fourier MRI data with POCS (partial fourier, pocs, mri)

pocs( ksp, iter, watchProgress )

pocs_example.m

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updated 8 months ago

Interactive DICOM 3D Viewer by Eric Johnston

Viewer allows user to look through cross sections of a dicom image set. (dcm, ct, 3d viewer)

Interactive DICOM 3D Viewer

dcm3DViewer

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updated 9 months ago

Dynamic non-local means (DNLM) for denoising of dynamic medical image sequences by Yaniv

Effective and robust denoising for 4D medical images (e.g. DCE-MRI, fMRI, dynamic PET) (noise, denoising, medical images)

dnlm.m

estimate_noise_dwt(img, Wname)

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updated 10 months ago

MRI field-shift calculation with virtual Zero-Padding by Job

Efficient forward Fourier-based calculation of the susceptibility-induced field shift in MRI (mri, magnetic susceptibili..., aliasing)

FBFC_CC_no_padding(X_dev)

FBFC_CC_vZP(X_dev, degree)

FBFC_KF_vZP(X_dev, degree)

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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 11 months ago

LMMSE filter for Rician MRI data by SANTIAGO AJA-FERNANDEZ

A filtering scheme for denoising MR data assuming an underlying Rician model. (mri, noise, denoising)

I_est=MRI_lmmse(Im,Ws,varargin)

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updated 11 months ago

Parallel MRI noisy phantom simulator by SANTIAGO AJA-FERNANDEZ

Simulator of noisy parallel acquisition MR data (GRAPPA and SENSE included) (magnetic resonance, noise, parallel imaging)

Wx=coef_x(coef,tasa,N,mode,full)

[Im]=k2x(ik,method)

[Im]=sos(iX)

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updated 11 months ago

Heart perfussion MRI phantom simulator by SANTIAGO AJA-FERNANDEZ

To create a MR perfusion phantom of the heart with basic artifacts and noise. (perfusion, phantom, mri)

S0n=distort_sg(S0,sigma,blur,field, Knoise,ncorr,coils)

Sbig=periodic_sg(S0)

Sbig=periodic_sg(S0)

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updated 12 months ago

Noise estimators for MRI data Toolbox by SANTIAGO AJA-FERNANDEZ

Several methods to automatically estimate the level of noise in single- and multiple-coil MRI (noise estimation, mri, image processing)

CV=cvlocal(I,Ws,inses)

M=localMAD(I,Wn)

Vl=localvar3D_mask(I,mask,Ws,inses)

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updated 12 months ago

Brain Mask by Ben Duffy

Automatic brain masking for MRI volumes; (image processing, mri, mask)

brainmask(volume)

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updated 1 year ago

Function for Viewing MRI Slices by Aras

Allows the viewing of slices of MRI data in the NIFTI format. (nifti, mri, slice)

splic(x,y,z,t)

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updated 1 year ago

ct3 - A Simple Mousewheel-based 3D Image Browser for Medical Images by Tripp

A minimalist 3D Medical Image browser. Use the mousewheel to scroll between slices in all 3 planes. (medical imaging, 3d browser, mousewheel)

ct3(im,w)

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updated almost 2 years ago

Field Mapping Toolbox by Simon Robinson

Methods for B0 Mapping with Multi-Channel RF Coils in MRI (Robinson and Jovicich, MRM, 2011) (mri, field mapping, multichannel rf coils)

Y=pad(varargin)

[x,y,z,v]=find3(arr);

centre_and_save_nii(image_nii, filename, pixdim)

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updated almost 2 years ago

Visualize 3D volumetric image data such as MRI images in Matlab by Binlin Wu

Display 3D volumetric data such as MRI images dynamiclly. Click on an image to change the position. (volumetric, 3d images, biotech)

mriplot.m

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updated almost 2 years ago

Sort DICOM CD images by subject and scan names by Gang Wang

Sort DICOM CD images by subject and scan names. (dicom, cd, sort)

sort_one_cd(realtopdir,dest_folder_str)

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updated almost 2 years ago

3D CT/MRI images interactive sliding viewer by Gang Wang

An interactive tool for users to browse through sagittal, axial and coronal views of CT/MRI images. (3d medical image, ct, image processing)

moveitX(h,A)

moveitY(h,A)

moveitZ(h,A)

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updated almost 2 years ago

3D image slice viewer by Deshan Yang

A 3D volumetric data slice viewer for viewing 3D data in different orientations. (image processing, ct, gui)

contourd(varargin)

dim=mysize(m)

plot_contourd(contours,varargin)

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updated 2 years ago

create_mosaic.m by Simon Robinson

create_mosiac.m - Create tiled "mosaic" images from volumes (mosaic, mri, nifti)

centre_and_save_nii(image_nii, filename, pixdim)

centre_header(nii_hdr)

load_nii(filename, img_idx, dim5_idx, dim6_idx, dim7_idx, ....

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updated 2 years ago

Siemens DICOM sort and convert to NIfTI by Simon Robinson

Converts Siemens MRI DICOM data into NIfTI format, and/or anonymises and sorts into scan directories (dicom, siemens, mri)

centre_header(nii_hdr)

convert_2dto3d_func2(obj, eventdata, interleave_sort, readf...

convert_to_analyze_func(data)

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updated 2 years ago

Viewer3D by Dirk-Jan Kroon

MIP, Color, Slice and Shaded 3D (shearwarp) Volume Rendering, interactive 3D view/measurement GUI (3d, dicom, mip)

B=SnakeInternalForceMatrix2D(nPoints,alpha,beta,gamma)

B=SnakeInternalForceMatrix3D(FV,alpha,beta,gamma)

ErrorData3D(varargin)

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updated 2 years ago

Noise estimation from rician noise corrupted images by Jeny Rajan

This program can be used for estimating noise from an image corrupted with rician noise (eg: MRI) (noise estimation, noise variance, rician noise)

[nsigma]=Nsigmaest1(Nimg)

[nsigma]=Nsigmaest2(Nimg)

polyexp(x)

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updated almost 3 years ago

MRI slice viewer by Ronald Ouwerkerk

This function will draw multiple MR images in 3D space using DICOM header information (3d visualization, mri, image processing)

DrawImageSlice3D( dicom_filename, fighandle, transparency...

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updated almost 3 years ago

multimodality non-rigid demon algorithm image registration by Dirk-Jan Kroon

non-rigid 2D and 3D image registration with demon (fluid) algorithm, extended with modality transf. (2d, 3d, registration)

A=imresize3d(V,scale,tsize,ntype,npad)

E=strain(Ux,Uy,Uz)

I3=movepixels(I1,Tx,Ty,Tz,mode)

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updated 3 years ago

xjView, viewing program for SPM2 and SPM5 by Xu Cui

p-value slider, single-click to get anatomical description (imaging, mri, spm)

xjview(varargin)

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updated 3 years ago

MRI 3D interactive viwer by Ibraheem Al-Dhamari

Read and View ANALYZE images format. (analyze, mri, fmri)

MRIViewerB(varargin)

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updated 3 years ago

Bias Field Corrected Fuzzy C-Means by Dirk-Jan Kroon

Estimates the illumination artifact in 2D (color) and 3D CT and MRI and segments into classes. (bias field estimation, illumination, segmentation)

I=imgaussian(I,sigma,siz)

[B,U]=BCFCM2D(Y,v,Options)

BCFCM3D.m

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updated 3 years ago

Extended version of FT.m func of file ID: #21130 by Alper Yaman

This function is the new version of FT.m function of package ID: #21130. (dti, mri, fiber)

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

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updated almost 4 years ago

Transform matrix between two dicom image coordinates by Alper Yaman

This code calculates the transform matrix between two image coordinates. (image coordinates, transform matrix, dicom)

GetTransformMatrix(info1, info2)

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updated almost 4 years ago

Joint Estimation for EPI functional MRI using Harmonic Retrieval by Hien

Implementation of harmonic retrieval for MRI image reconstruction (mri, image reconstruction, harmonic retrieval)

SNR(in, est)

Z=Matrix_z(z,N,M)

[x,obj_hat]=simdata_T2star(obj,we,N1,N2,M1,M2,d1,d2,delta1,...

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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

Varian MRI FDF reader by Shanrong Zhang

Open and display Varian FDF image. (application, varian, fdf)

fdf

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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 8 years ago

Pixelsurfer by Soren Christensen

Framework for pixel surfing time series data. Ideal for MR and PET tracer data. (data exploration, image pixel coordinat..., timeseries)

pixelsurfer(varargin)

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updated almost 10 years ago

readanalyze.m by Colin Humphries

Read MRI files in the Analyze format. (data import, data export, fmri)

readanalyze(filename)

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updated 10 years ago

MRI Analyze tools by Darren Weber

Read/View Analyze data format (MRI). (analyze, mri, medical)

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updated almost 11 years ago

mriphantom by Ronald Ouwerkerk

Simulation of raw MRI data from k-space coordinates using the Shepp and Logan head phantom function. (medical, mri, kspace)

mriphantom(kx,ky)

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updated 11 years ago

pifft by Edward Brian Welch

Homodyne reconstruciton of partial MRI k-space (Spatial Frequency) data (reconstruction, partial fourier, fft)

pifft(pksp)

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updated 14 years ago

MRIotl by Mark Hasegawa-Johnson

MRIotl -- a tool for editing MRI image files (medical, mri, zoom)

EditOtl(action, arg)

LoadImageFcn( ACTION, TAGBASE, LEVEL, ARGUMENT )

MRIotl(directory)

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