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Nik


Actif depuis 2013

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Question


specifying bpp of an image
Most of compression analysis use different value of bpp. For example Lena image in 0.5 bpp, 0.25bpp and 0.125bpp. How can we adj...

plus de 8 ans il y a | 1 réponse | 0

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How to develop non uniform quantizer
Dear all, how to write a matlab code to produce non uniform quantizer on an image with smaller interval at high occurrence pixe...

plus de 8 ans il y a | 1 réponse | 0

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how to pass the matrix value outside the loop
I need to pass the matrix value of 'xd' outside the loop. % display all the blocks. plotIndex = 1; numPlotsR = size(ca, 1...

presque 10 ans il y a | 1 réponse | 0

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Question


what is actually wavelet coefficient
Dear all, I have some question regarding wavelet coefficients. 1. What is the purpose of wavelet coefficients? 2. Can we ...

environ 10 ans il y a | 1 réponse | 0

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operation using *.m file
Can we make mathematical operation by calling our *.m function? For example, I have hthresh.m and sthresh.m. I want to get the a...

plus de 10 ans il y a | 1 réponse | 0

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Question


error + matrix dimension must agree
I got error -- Error using + Matrix dimensions must agree. on this code. Please help me a=sign(X(ind1)).*(abs(X(in...

plus de 10 ans il y a | 1 réponse | 0

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Question


different between tiff and jpeg format in calculating MSE and PSNR
I got a code to calculate CR,bpp, MSE and PSNR. I works well for *.jpeg image but not for *.tiff. A message "Error using ...

presque 11 ans il y a | 1 réponse | 0

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