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24 total contributions since 2014

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Question

Whether convolution followed by down sampling equals wavelet decomposition
I know that wavelet decomposition equals convolution followed by down sampling by two.I tried to test this on mat lab on haar wa...

4 years ago | 0 answers | 0

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Question

Design of wavelets from splines
I would like to know how to design wavelets from splines using matlab,will any one help me Thanks in advance

5 years ago | 0 answers | 0

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Question

An example for user defined wavelets
Can any one show me an example for making user defined wavelets using matlab,?? Thanks is advance

5 years ago | 0 answers | 0

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Question

Difference between spline and wavelet
Can any body tell me the difference between spline and wavelet ..

5 years ago | 0 answers | 0

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Question

wavelet matrix from the spline
I have developed a spline ,I would like to know how a transformation wavelet matrix can be developed from the spline ..can any b...

5 years ago | 0 answers | 0

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Question

Equation for a growing and decaying exponential
I like know whether any single equation is there for a growing and decaying exponential .i.e from minus infinity to zero it has ...

5 years ago | 1 answer | 0

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Question

I would like to compress a signal and like to know how many bits it is using
hai .. I have a spare vector (lot of zeros in it ),I would like to compress in it ..what I have to do for compressing that sign...

6 years ago | 0 answers | 0

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Question

algorith logic behind L1eq_pd
Can anybody pls tell me the logic behind L1eq_pd.. how it find the solution Thanks in advance

6 years ago | 0 answers | 0

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Question

how to find out biorthogonal wavelet matrix
Hai ,I am working in compressed sensing problem ,Here I would like to find out the transform matrix of biorthogonal wavelet .By ...

6 years ago | 0 answers | 0

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Question

how to get wavelet transformation matrix from wavedec.
Hai .. I know if we do a problem [a b]=wavedec(x,1,'db1')will do db1 wavelet decomposition of the input x at level one.how we c...

6 years ago | 0 answers | 1

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Question

Image reconstruction using compressed sensing..
I was going through certain papers in compressed sensing and papers claims exact reconstruction is possible through compressed ...

6 years ago | 0 answers | 1

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Question

can any one tell me how this code is working??
can any one tell me how this code is working ..I cant able to understand the logic ..pls help.(Please note that locs_Rwave will ...

6 years ago | 1 answer | 0

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Question

can any one tell how this break function works in this loop??
can any one tell me how the break functions if there are two if conditions in a for loop ... if true % code e...

6 years ago | 2 answers | 0

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Question

break statement after if loop inside a for loop..
Hi..I have doubt if we are using an if loop inside a for loop followed by a break ,whether the break function will break if loop...

6 years ago | 1 answer | 0

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Question

how to concatenate n matrixs together to form a bigger matrix
Hi..I have 1000 matrices ,A_1 to A_1000 of size 3*3 .I want to merge all then together (concatenate )vertically to form a bigge...

6 years ago | 1 answer | 0

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Question

generate same random matrix in another computer..
Hai ..I have a doubt ,whether it is possible to get same random matrix in another computer where same matlab software is install...

6 years ago | 2 answers | 0

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Question

Can any please tell me about the tool Lasso.how to use it ?LASSO
Can any please tell me about the tool Lasso.how to use it ?LASSO,,I am new to matlab ..can any help me please .. Thanks in ad...

6 years ago | 1 answer | 0

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Question

how to create 200 random matrices using loop..
Hi..I want to create separate 200 random matrices of size 32*32 , and each to be multiplied with my input matrix..whether any lo...

6 years ago | 2 answers | 0

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Question

how can I able to recover my image using compressed sensing ..can anybody send me an example code??
how can I able to recover my image using compressed sensing ..can anybody send me an example code for image reconstruction using...

6 years ago | 0 answers | 0

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Question

compressed sensing image reconstruction example
Can any body please send an example code for image reconstruction using compressed sensing technique ... thanks in advance

6 years ago | 0 answers | 0

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Question

can any one tell me some thing how to use the lasso function
can any tell me some thing about the lasso function ..

6 years ago | 2 answers | 0

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Question

how to save all pixel co-ordinate locations as a vector ??
Whether it is possible to save the pixel locations of an image in a vector ? which comment to save the pixel locations ..could a...

6 years ago | 2 answers | 0

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Question

want to prepare a mask which will capture 15 % of data from an Ultrasound image .could any one help
Hai I am attaching an ultrasound image .I would like to prepare a mask matrix which will capture 15 % of data from that.(15% fr...

6 years ago | 0 answers | 0