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I have an image size m*m, I divided into n*n non-overlapping blocks, the problem is that I want to change the values of a specif...
1 year ago
Hi, I need your help please.
I'm working in Matlab and I have tow images one with size 256*256 and the other one with size 64*6...
Asked 1 year ago
Hello,I'm using the following code to find a positive factor:
[U S V] = svd(image, 'econ'); % calculate the SVD of the imag...
Asked 6 months ago
Hello, Suppose that I have a matrix a= [1 3; 4 2], I convert this matrix to binary format using this code:
Asked 11 months ago
I want to apply SVD for each 4*4 blocks using the "blockproc" and get 3 outputs: U, S and V so I can reconstract all blocks toge...
Hello, I have RGB image that I converted to binary to do some processing and I want to reconvert it back to its original color R...
Hello, I'm working on image watermarking, I'm working with DWT and SVD and I want to embed a watermark in some coefficients that...
Asked 7 months ago
I'm working on image watermarking and I want to apply the Abc optimization algorithm ( Artificial Bee Colony) to find a threshol...
Asked 10 months ago
How do we know if an image is watermarked? Is there any function helps us to detect a waetermak before extracting it?
I'm trying to apply a DWT-SVD watermaking in HSV color space, but the final watermarked image is defenitely different than the o...
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