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javad danesh


Last seen: ungefär ett år ago |  Active since 2021

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LSB transform for image encryption
I want to use LSB transform to encode the message in the image. The length of the bit string is less than the size of the image....

mer än ett år ago | 2 answers | 0

2

answers

Question


Hi, I want to divide a 1x5872 matrix into 8x8 blocks. Can someone guide me please
Hi, I want to divide a 1x5872 matrix into 8x8 blocks. Can someone guide me please.

mer än ett år ago | 1 answer | 0

1

answer

Question


Encoding the image using Huffman transform and converting to non-overlapping blocks
Hi, I encoded an image with huffman transform and converted the image into a contiguous bit string. I want to convert this bit s...

mer än ett år ago | 0 answers | 0

0

answers

Question


Hello, I want to use the gray wolf algorithm to hide images.
Hello, I want to use the gray wolf algorithm to hide images. But unfortunately, I am not proficient in MATLAB to be able to use ...

mer än ett år ago | 2 answers | 0

2

answers

Question


Hi, I want to convert an image into a string of 0's and 1's using huffman transform and hide it in another image.
Hi, I want to convert an image into a string of 0's and 1's using huffman transform and hide it in another image. Can anyone hel...

mer än ett år ago | 1 answer | 0

1

answer

Question


Hello, I applied the "qtgetblk" conversion to a gray image. What code should I use to display the output image?
Hello, I applied the "qtgetblk" conversion to a gray image. What code should I use to display the output image? Thank you for yo...

ungefär 2 år ago | 2 answers | 0

2

answers

Answered
I want to do the embedding operation by converting Hessenberg
No, I do not want you to read the article. Using the quantization method you mentioned, I want to place watermark bits in the ov...

ungefär 2 år ago | 0

Question


I want to do the embedding operation by converting Hessenberg
Hello, I divided an image into 4x4 blocks and selected blocks randomly. Now I want to click on the selected Hessenberg matrix o...

ungefär 2 år ago | 2 answers | 0

2

answers

Question


Hello, I divide an image into 4x4 blocks, and I want to select 512 blocks and do some math on them and embed some information.
Hello, I divide an image into 4x4 blocks, and I want to select 512 blocks and do some math on them and embed some information. ...

ungefär 2 år ago | 1 answer | 0

1

answer

Question


I wanted the MATLAB code hash function for images
Hi, I wanted MATLAB code for hash function for images. Thank you for your help

ungefär 2 år ago | 1 answer | 0

1

answer

Question


Hi, I wanted to implement MATLAB code "the scrambled pixel value is further converted to binary information sequence of size 8 bits ".
Hi, I wanted to implement MATLAB code "the scrambled pixel value is further converted to binary information sequence of size 8 b...

mer än 2 år ago | 1 answer | 0

1

answer

Question


Hi, I want to apply arithmetic coding to the image. Can anyone help me?
Hi, I want to apply arithmetic coding to the image. Can anyone help me?

mer än 2 år ago | 2 answers | 0

2

answers

Question


Arithmetic coding and Huffman
Hi, I am looking for an instructional file to compare Huffman coding and arithmetic coding for digital image processing. If any...

mer än 2 år ago | 1 answer | 0

1

answer

Question


switch matrix s in Image Processing
I read an article about the switch matrix s that said it helps us to divide wavelet coefficients into two parts. It identifies w...

mer än 2 år ago | 0 answers | 0

0

answers

Question


contourlet transform to watermarking
Hi, I'm looking for an instructional video to learn how to contourlet transform to watermarking. Can anyone help me?

nästan 3 år ago | 0 answers | 0

0

answers