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updated 1 month ago

FFTSELFFILTER Frequency Domain Image Auto Filtering by Vlad Atanasiu

Enhances powerful frequencies. (image, filtering, image processing)

fftsf(ImgIn,degree)

fftsf_movie.avi

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updated 7 months ago

Watermark DCT by Suraj Kamya

Watermarking in frequency domain using DCT (watermarking, dct, frequency domain)

[embimg,p]=wtmark(im,wt)

[wm]=exwmark(embimg)

wmark_enc(varargin)

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updated 8 months ago

DFT & DCT by Suraj Kamya

DFT and DCT without using inbuilt function for 1-D signal (dct, dft, dsp)

Xk=dft(xn)

[Xk] =dctu(xn)

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updated 1 year ago

Watermarking GUI using 3rd level DWT by shivangi patel

The GUI embeds and extracts watermark image to cover image in frequency domain using 3rd level DWT. (watermarking, gui, 3rd level dwt)

MSE( pic1,pic2 )

PSNR( pic1,pic2 )

GUI.m

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updated 1 year ago

Watermarking GUI using DWT by shivangi patel

The GUI use to embed watermark image in cover image in frequency domain (dwt, idwt, watermarking)

MSE( pic1,pic2 )

PSNR( pic1,pic2 )

GUI.m

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updated almost 2 years ago

Numerical Inverse Laplace Transform by Tucker McClure

Numerical approximation of the inverse Laplace transform for use with any function defined in "s". (inverse laplace trans..., laplace, talbot)

Examples of Numerical Approximation of the Inverse Laplac...

euler_inversion(f_s, t, M)

euler_inversion_sym(f_s, t, M, P)

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updated 2 years ago

Efficient three-dimensional (3D) Gaussian smoothing using convolution via frequency domain by Max W.K. Law

Native Fourier implementation, support GPU computation and anisotropic voxel. (3d, volumetric, gaussian smoothing)

gauss3filter.m

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updated 3 years ago

Root Mean Squared by dberm22

This set of two functions returns the root mean squared of any 1-D signal. (rms, frms, root mean squared)

frms( S )

rms( s )

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updated 3 years ago

Gaussian Bandpass Filter for Image Processing by Leonardo O. Iheme

This function performs Gaussian bandpass filtering in the frequency domain (image processing, bandpass filter, frequency domain)

fftshow(f,type)

gaussianbpf(I,d0,d1)

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updated 3 years ago

Butterworth Bandpass Filter for Image Processing by Leonardo O. Iheme

This function performs butterworth bandpass filtering in the frequency domain (image processing, bandpass filter, frequency domain)

butterworthbpf(I,d0,d1,n)

fftshow(f,type)

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updated almost 9 years ago

Frequency Domain Adpative Filter by John Forte

A function which performs one iteration of the Self-Orthogonalizing Frequency Domain Adaptive Filter (audio processing, video processing, lms)

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updated 9 years ago

BlueNile - Image Frequency Domain Filtering by Vlad Atanasiu

Filters images in the frequency domain. (filtering, image processing, filter)

bluenile(varargin)

max2(A,dim)

shutdown

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updated 10 years ago

f_threshold by Evan Ruzanski

Demonstrates image grayscale thresholding operation in the frequency domain. (filtering, image thresholding, frequency domain)

f_threshold(file_name)

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