# Abhishek sadasivan

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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...

bijna 8 jaar ago | 0 answers | 0

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answersQuestion

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

ongeveer 8 jaar ago | 0 answers | 0

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answersQuestion

An example for user defined wavelets

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

ongeveer 9 jaar ago | 0 answers | 0

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answersQuestion

Difference between spline and wavelet

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

ongeveer 9 jaar ago | 0 answers | 0

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answersQuestion

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...

ongeveer 9 jaar ago | 0 answers | 0

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answersQuestion

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 ...

ongeveer 9 jaar ago | 1 answer | 0

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answerQuestion

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...

meer dan 9 jaar ago | 0 answers | 0

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answersQuestion

algorith logic behind L1eq_pd

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

meer dan 9 jaar ago | 0 answers | 0

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answersQuestion

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 ...

meer dan 9 jaar ago | 0 answers | 0

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answersQuestion

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...

meer dan 9 jaar ago | 0 answers | 1

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answersQuestion

Image reconstruction using compressed sensing..

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

meer dan 9 jaar ago | 0 answers | 1

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answersQuestion

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 ...

meer dan 9 jaar ago | 1 answer | 0

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answerQuestion

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...

meer dan 9 jaar ago | 2 answers | 0

### 2

answersQuestion

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...

meer dan 9 jaar ago | 1 answer | 0

### 1

answerQuestion

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...

meer dan 9 jaar ago | 1 answer | 0

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answerQuestion

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...

meer dan 9 jaar ago | 2 answers | 0

### 2

answersQuestion

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...

meer dan 9 jaar ago | 1 answer | 0

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answerQuestion

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...

meer dan 9 jaar ago | 2 answers | 0

### 2

answersQuestion

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...

bijna 10 jaar ago | 0 answers | 0

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answersQuestion

compressed sensing image reconstruction example

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

bijna 10 jaar ago | 0 answers | 0

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answersQuestion

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

can any tell me some thing about the lasso function ..

bijna 10 jaar ago | 2 answers | 0

### 2

answersQuestion

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...

bijna 10 jaar ago | 2 answers | 0

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answersQuestion

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...

bijna 10 jaar ago | 0 answers | 0

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answersQuestion

radial mask of 30 degree with 15% data

I have attached a figure .I would like to make a mask of same kind using matlab .The lines are 10 degree apart and the maximum n...

bijna 10 jaar ago | 1 answer | 0