Mathivanan Ponnambalam

11 Questions 5 Answers 0 Followers

Questions related from Mathivanan Ponnambalam

I have my data hiding algorithm matlab code now i want to develop it into product?

I want a hardware which support MATLAB code code for my data hiding algorithm . Kindly suggest me the hardware board which support MATLAB code.

10 October 2019 9,546 5 View

How to start deep learning using python ?

Dear all What are the recent work in deep learning. how to start with python kindly suggest some work and materials to start with that.

05 May 2019 4,844 7 View

What are the sensitivity and specificity ?

What are the sensitivity and specificity ? how to find the sensitivity and specificity of the cover and stego image in a stegnography technique .

04 April 2018 9,483 6 View

Can any one has NIST test matlab code for image encryption evaluation process?

I have performed all the attack for my image cryptography algorithm. finally i need to test NIST results for my cryptography algorithm. if any one have the code kindly share the code. please do...

10 October 2017 1,969 2 View

Which processors are officially supported by MATLAB

I am working on signal processing. now i am look for DSP processor which support signal process. kindly send some supporting materials related to this. kindly do the needful

07 July 2017 8,663 4 View

How to import a ECG signal from MIT database in to XLINX using Verilog ?

I want to import a ECG signal from MIT database in to XLINX using Verilog .

12 December 2016 8,596 2 View

I have multipled a constant with a signal but the sample value change to 0 to 255 why?

64 is multiplied with a signal sample value. after multiplication the sample value changes 0 or 255 eg=>17x64= 1088 the resultant value of the above process is 255 i cant understand what...

10 October 2016 8,450 6 View

How to calculate threshold in a color image .

I am working on color image steganorgaphy. I need a threshold calculation procedure or a method.

10 October 2016 5,032 4 View

[cA,cD] = dwt(sig, 'db1');

[cA,cD] = dwt(sig, 'db1'); i have used this code to decompose a signal and i have obtained CA and CD of Size (Ixn) but if i change the code to some other 'wname' like db2, db4 etc i am getting a...

04 April 2016 2,052 2 View

How are period normalization and amplitude normalization done for ECG signal?

In certain application of ECG compression Conversion of 1D Signal to 2D Signal is done using Period and Amplitude Normalization (PAN). there are several methods too how they are done. kindly any...

10 October 2015 7,144 2 View

Is watermarking using a neural network possible?

kindly suggest any of the paper with watermarking and neural network

08 August 2015 271 7 View