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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 1 year ago

Lloyd max quantizer,plots,mse by Kushagra Singhal

Lloyd max quantizer,plots,mse (lloyd max quantizer, plots, mse)

cent( mint,mfin,sig,k,levels )

mew( min,max )

LMAX.m

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updated almost 2 years ago

Envelope Detector by Kushagra Singhal

Envelope detector and mean square error versus time constant (envelope detector, mean square error, mse)

env.m

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updated 2 years ago

MMSE_MSE_calc by Quang

mean squared error uses MMSE estimation (mmse, mse, channel estimation)

ms_error=MMSE_MSE_calc(X,H,Y,Rgg,variance);

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updated 3 years ago

Importance of Image Phase Information Demo by Michael Chan

The objective is to illustrate the importance of image phase as the cardinal information source. (image processing, amplitude, phase)

FFT_image( imageInGray )

IFFT_image(imageInGray_fft_amplitudeOnly, imageInGray_fft...

PSNR(A,B)

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updated 3 years ago

Image Error Measurements by Michael Chan

Measures the differences between 2 images, and measurement of image quality. (image processing, fidelity, quality)

...

E=eme(X,M,L);

PSNR(A,B)

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