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maxina dialin


Active since 2012

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maxina
Professional Interests: signal processing

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Spectral centroid and spectral energy of a signal
How to find a spectral centroid and spectral energy using wavelet decomposition?

11 years ago | 0 answers | 0

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answers

Question


How can i find the MFCC of an audio signal?
I am working in audio signal processing.,i have to find the MFCc values.,how can i find it?

11 years ago | 1 answer | 0

1

answer

Question


how to convert the pixel values of the image in the range of (0-255) into (0-1)?
Hi i have to convert the image pixel values in the range of (0-255) into (0-1) Is there any function or program available?

12 years ago | 3 answers | 0

3

answers

Question


How to find a second order derivative(y") of an image in matlab?
How to find a second order derivative(y") of an image in matlab? I'm using diff(x) function to calculate 1st order derivative.,...

12 years ago | 0 answers | 0

0

answers

Question


How to store the looping values into matrix?
for every iteration of a for loop ihave to store the values in a matrix.How to do that?

12 years ago | 1 answer | 0

1

answer

Question


wavelet coefficients centroid of audio signal
i applied wavedec for an audio signal.,after that i have to calculate energy and centroid of the wavelet coefficients(approximat...

12 years ago | 1 answer | 0

1

answer

Question


How can i find the centroid of the wavelet coefficients from each frame of the audio signal?
Hi,i have to find the centroid of the wavelet coefficients for each frame of the audio signal.,i've applied wavedec to decompose...

12 years ago | 1 answer | 0

1

answer

Answered
how to extract energy from each subband after applying dwt on an image and finally to obtain energy extracted image
Hi benitta,you can use the wenergy function for this., (Ea,Ed)=wenergy(c,l)

12 years ago | 0

Question


How can i find the centroid of the wavelet coefficients from each frame of the audio signal?
Hi.,i ve to find the centroid of the wavelet coefficients on each frame of the audio signal. i've applied wavedec to decompose ...

12 years ago | 0 answers | 0

0

answers

Question


how to set the dimensions for a SOM map?
While using SOM for clustering an image using the function net=selforgmap([d1,d2]) How to set the values for d1 and d2?

12 years ago | 1 answer | 0

1

answer

Question


How can i find the zero crossing rate of the wavelet coefficients?
i am doing a project in signal processing.,in that i have to apply the DWT to the signal and find the zero crossing rate of the ...

12 years ago | 1 answer | 0

1

answer