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updated 2 months ago

Surface roughness power spectrum by Mona M Kanafi

Calculates radially averaged 2D power spectrum for a surface roughness topography (surface roughness, power spectrum, spectral density grap...)

psd_2D(z , PixelWidth)

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updated 4 months ago

xcorr2_fft(a,b) by Alessandro Masullo

Two-dimensional cross-correlation evaluated with FFT algorithm (fft, dft, fft2)

xcorr2_fft(a,b)

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updated 2 years ago

Low Freq 2D Fourier Transform by Daniel

Daniel (view profile)

Produces high resolution 2D Fourier Transform for low spatial frequencies. (fft, 2dfft, fft2)

sft2_low( x, maxFreq, totalLen, duplicate)

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updated almost 4 years ago

Displays a two-dimensional discrete Fourier Transformation. by Enrico

Enrico (view profile)

Displays the discrete Fourier Transformation of a tow-dimensional signal. (image processing, signal processing, fft2)

fftshow(varargin)

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updated 9 years ago

FourierTransform2.m by Carlos Adrian Vargas Aguilera

Fourier complex transform of a 2D real field. (spectral analysis, fourier, spectrum)

fouriertransform2.m

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updated 9 years ago

InverseFourierTransform2.m by Carlos Adrian Vargas Aguilera

Inverse Fourier complex transform of a origin-symetrical complex transform (result 2D real field). (spectral analysis, fourier, spectrum)

inversefouriertransform2.m

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updated 9 years ago

FFW Fastest Filtering in the West by Luigi Rosa

Luigi Rosa (view profile)

Fast 2D convolution - filtering (filter design, filter analysis, conv)

detbestlength2(FFTrv,FFTiv,IFFTiv,size1,size2,isreal1,isr...

fftolamopt2(a,b,opt,shape)

provatempo2.m

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updated almost 11 years ago

FFT2 optimization by Luigi Rosa

Luigi Rosa (view profile)

Speed up FFT2. (filtering, fft2, fft)

tempofft2.m

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updated 12 years ago

CONV2 Overlap-add Method by Luigi Rosa

Luigi Rosa (view profile)

Overlap-add method of CONV2 using FFT2. (convolution, overlapadd method, conv2)

conv2olam(a,b,mode,siz1,siz2)

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