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akash bais


Active since 2016

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[Help] Matlab executes the program very slowly (Slow execution)
I am working on code on matlab which basically consist of for loops and matrices values i.e. image processing but it takes aroun...

7 years ago | 1 answer | 0

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Question


Reshape a matrix into vector form and then again convert the array into previous dimensions matrix
Suppose I have a matrix of size mxn and i want to convert it into an array and perform some operations on it and then later i wa...

7 years ago | 1 answer | 0

1

answer

Question


uint8 to double is converting pixel values into decimal
when I convert my image which is in uint format to double the pixel matrix values are converting into decimal values These ar...

7 years ago | 1 answer | 0

1

answer

Question


how to display a audio file in matrix format?
I want to read a wav file in matlab and then i want to perform some operation on the audio file i.e. i want to embedd data into ...

7 years ago | 1 answer | 0

1

answer

Question


how can i find specific elements from a 1xN array?
<</matlabcentral/answers/uploaded_files/72384/elements.PNG>> like from the image above i want to find 1's and 0's from an arr...

7 years ago | 1 answer | 0

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Question


Help:Converted a 3 plane image into 2 dimensional image? Steganography
we have converted an image into 2-dimensional array, and performed operations on the array and then we have converted the array ...

8 years ago | 1 answer | 0

1

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Question


Can I embed a image in the following algorithm?
I have successfully added data into the image using the following code and algorithm image is attached below but now I want to e...

8 years ago | 1 answer | 0

1

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Question


Help: Error in my code PSNR
I am using this code to and calculating PSNR values even if I am not embedding even a single bit, still the PSNR value i am gett...

8 years ago | 0 answers | 0

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Question


How to increase PSNR of an Image?
I am using a 512x512 image to embed data into the image for steganography, I am getting 2 PSNR which is quite less as i want seq...

8 years ago | 1 answer | 0

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answer

Question


I want a matrix to be represented in the form of an array
I want a image matrix 512x512 to be represented in the array form or simply in a straight line while scanning the matrix in inve...

8 years ago | 2 answers | 0

2

answers