Question

How to do training in matlab using SVM?
I have to detect humans from an image for that I should first train the system using SVM.How to do training in matlab using SVM?...

ongeveer 9 jaar ago | 2 answers | 1

Question

What is digital image shares in visual cryptography?
Conventional visual secret sharing (VSS) schemes hide secret images in shares that are either printed on transparencies or are e...

ongeveer 9 jaar ago | 2 answers | 0

Question

How to find SGLD matirx?
I got the following code from net % getting the size of the input image im_final=floor(double(image)/(2^output_bits)...

ongeveer 9 jaar ago | 0 answers | 0

Question

Is there built in function such as iseven,isint and factorial in matlab?
Is there built in functions in matlab such as iseven,isint and factorial in matlab? Can any one please help?

ongeveer 9 jaar ago | 1 answer | 0

Question

How to Normalize co-ordinates to [-sqrt2,sqrt2]?
I have got the following code d = size(img); % dimension img = double(img); xstep = 2/(d(1)-1); ystep...

ongeveer 9 jaar ago | 1 answer | 0

Question

What does this code compute?
what does this code compute? mask ( inside ) = ones ( size ( inside ) )

ongeveer 9 jaar ago | 1 answer | 0

Question

What is advantage of using Haralick texture features compared to Tamura Texture features?
Can any one please point out the advantages of using Haralick features instead of Tamura features.

ongeveer 9 jaar ago | 0 answers | 0

Question

How to draw rectangles along the tampered region of an image ?
I have already determined the blocks of an image which are tampered.I want to draw a box over around this blocks and show the sa...

ongeveer 9 jaar ago | 3 answers | 0

Question

How to decrypt and decompose a hash value of an image?
I have found an encrypted image hash by using the formula S=[(S'+X2) mod 256],were X2 is a randomly generated row vector contain...

ongeveer 9 jaar ago | 0 answers | 0

Question

How can I find the x and y coordinate of the first pixel of an image .
I have divided an image of size 256*256 into 64 blocks of size 32*32.Can any one suggest any method to find the (x,y) coordinate...

ongeveer 9 jaar ago | 1 answer | 0