k-Wave Toolbox Previous   Next

Functions — By Category

 Alphabetical List

Wave Propagation Simulate time-domain acoustic wave fields
Image Reconstruction Photoacoustic image reconstruction
Geometry Creation Geometry and shape creation
Acoustic Absorption Absorption coefficient calculation and conversion
Grid and Matrix Utilities Grid and matrix utilities
Filtering and Spectral Utilities Filtering, windowing, and spectral analysis utilities
Display and Visualisation Display and visualise data
Ultrasound Utilities Creation and processing of ultrasound signals
Other Utilities System parameters and utilities

Wave Propagation

kspaceFirstOrder1D 1D time-domain simulation of wave propagation
kspaceFirstOrder2D 2D time-domain simulation of wave propagation
kspaceFirstOrder3D 3D time-domain simulation of wave propagation
kspaceFirstOrder3DC 3D time-domain simulation of wave propagation using C++ code
kspaceSecondOrder Fast time-domain simulation of wave propagation for homogeneous media
mendousse Compute Mendousse's solution for nonlinear wave propagation in viscous media

 Back to Top

Image Reconstruction

kspaceLineRecon 2D linear FFT reconstruction
kspacePlaneRecon 3D planar FFT reconstruction

See also kspaceFirstOrder1D, kspaceFirstOrder2D, and kspaceFirstOrder3D for time-reversal image reconstruction

 Back to Top

Geometry Creation

makeBall Create a binary map of filled ball within a 3D grid
makeCartCircle Create a 2D Cartesian circle or arc
makeCartSphere Create a 3D Cartesian sphere
makeCircle Create a binary map of a circle within a 2D grid
makeDisc Create a binary map of a filled disc within a 2D grid
makeLine Create a binary map of a straight line within a 2D grid
makeSphere Create a binary map of a sphere within a 3D grid
makeSphericalSection Create a binary map of a sphere segment within a 3D grid

 Back to Top

Acoustic Absorption

attenuationWater Calculate ultrasound attenuation in distilled water
db2neper Convert decibels to nepers
neper2db Convert nepers to decibels
powerLawKramersKronig Calculate dispersion for power law absorption

 Back to Top

Grid and Matrix Utilities

cart2grid Interpolate a set of Cartesian points onto a binary grid
expandMatrix Enlarge a matrix by extending the edge values
findClosest Return the closest value in a matrix
grid2cart Return the Cartesian coordinates of the non-zero points of a binary grid
interpCartData Interpolate data from a Cartesian to a binary sensor mask
interpftn Resample data using Fourier interpolation
loadImage Load an image file
makeGrid Create k-space grid structure
numDim Return the number of matrix dimensions
resize Resize a matrix
reorderSensorData Reorder sensor data from kspaceFirstOrder2D based on angle
unmaskSensorData Reorder data recorded using a binary sensor mask
writeMatrix Write MATLAB matrix to HDF5 file

 Back to Top

Filtering and Spectral Utilities

applyFilter Filter input with low, high, or band pass filter
envelopeDetection Extract signal envelope using the Hilbert Transform
filterTimeSeries Filter signal using the Kaiser windowing method
gaussianFilter Filter signals using a frequency domain Gaussian filter
getAlphaFilter Create filter for medium.alpha_filter
getFDMatrix Create a matrix of finite-difference coefficients
getWin Return a frequency domain windowing function
gradientFD Calculate the gradient using a finite-difference method
gradientSpect Calculate the gradient using a Fourier spectral method
sharpness Calculate image sharpness metric
spect Compute the single sided amplitude and phase spectrums
smooth Smooth a matrix

 Back to Top

Display and Visualisation

beamPlot Plot volumetric data using intersecting planes
flyThrough Display a three-dimensional matrix slice by slice
getColorMap Return default k-Wave color map
saveTiffStack Save volume data as a tiff stack
scaleFig Resize current figure window
stackedPlot Stacked linear plot
voxelPlot 3D plot of voxels in a binary matrix

 Back to Top

Ultrasound Utilities

envelopeDetection Extract signal envelope using the Hilbert Transform
focus Create input signal based on source mask and focus position
gaussianFilter Filter signals using a frequency domain Gaussian filter
hounsfield2density Convert Hounsfield units to density
logCompression Log compress an input signal
makeTransducer Create k-Wave ultrasound transducer
scanConversion Convert scan-lines in polar coordinates to a B-mode ultrasound image
toneBurst Create an enveloped single frequency tone burst

 Back to Top

Other Utilities

addNoise Add Gaussian noise to a signal for a given SNR
benchmark Run performance benchmark
checkFactors Return the maximum prime factor for a range of numbers
fwhm Compute the full width at half maximum
gaussian Create a Gaussian distribution
getDateString Create a string of the current date and time
getkWavePath Return pathname to the k-Wave Toolbox
makeTime Create an evenly spaced array of time points
scaleSI Scale a number to nearest SI unit prefix
scaleTime Convert seconds to hours, minutes, and seconds
speedSoundWater Calculate the speed of sound in water with temperature

 Back to Top


© 2009-2012 Bradley Treeby and Ben Cox.