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javad danesh


Last seen: plus d'un an il y a Actif depuis 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....

plus d'un an il y a | 2 réponses | 0

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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.

plus d'un an il y a | 1 réponse | 0

1

réponse

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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...

plus d'un an il y a | 1 réponse | 0

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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 ...

plus d'un an il y a | 2 réponses | 0

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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...

plus d'un an il y a | 1 réponse | 0

1

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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...

plus de 2 ans il y a | 2 réponses | 0

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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...

plus de 2 ans il y a | 0

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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...

plus de 2 ans il y a | 2 réponses | 0

2

réponses

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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. ...

plus de 2 ans il y a | 1 réponse | 0

1

réponse

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

plus de 2 ans il y a | 1 réponse | 0

1

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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...

plus de 2 ans il y a | 1 réponse | 0

1

réponse

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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?

plus de 2 ans il y a | 2 réponses | 0

2

réponses

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...

presque 3 ans il y a | 1 réponse | 0

1

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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...

presque 3 ans il y a | 1 réponse | 0

0

réponse

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?

environ 3 ans il y a | 1 réponse | 0

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