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Ahmed almansory


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Last seen: plus de 2 ans il y a |  Actif depuis 2012

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Question


how can i embedding secret image into transformed (integer wavelet ) cover image.
I use lwt2(image,'haar') to decompose an image to approximation matrix and detail coefficients. values in detail coefficients a...

plus de 7 ans il y a | 1 réponse | 0

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Question


why this error when i use the separate channel from RGB image in integer wavelet transform?
hello, please help me when i use the integer wavelet transform on RGB image everything is ok there is no problem, but when i ...

plus de 7 ans il y a | 1 réponse | 0

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Question


how can i restrict the pixel values of an gray image between 20 and 240.
i want to restrict the values pixel of an gray image between 20 and 240

presque 8 ans il y a | 1 réponse | 0

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how i can reshape image from original size to new size
hello i want to reshape image (matrix) from 6x5000 to another size must be power of 2 such as 64x64,128x128 or 256x256 to do...

presque 11 ans il y a | 3 réponses | 0

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can i use another activation function outside of the set of activation function in neural network toolbox?
plz.. how can i adjust the activation function to Suit my work ,because i want to use wavelet function instead tansig function ....

presque 11 ans il y a | 1 réponse | 0

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Question


how i can replace the activation function of hidden layer
Hello please help me to replace the activation function of hidden layer in three layer feed forward network from tansig to wav...

environ 11 ans il y a | 1 réponse | 0

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Question


how i can compress double data type of matrix without loss any information?
i have a double data type matrix (image) i want to compress it without any loss of information with keep the data type of image ...

environ 11 ans il y a | 1 réponse | 0

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Question


Why this function return empty matrix?
note : the output of program is true without function % This function take an image then devide it into block % then resh...

environ 11 ans il y a | 1 réponse | 0

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Question


how i can remove the for statement from this program?
The basic idea is to divide an image into non-overlapping blocks and then convert each Block to column vector to become a colu...

environ 11 ans il y a | 2 réponses | 0

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Question


adding matrix to every column in other matrix
hi all i have two matrix a <16x1024> and b <16x1> how i can adding b to every column in a ? thanks

plus de 11 ans il y a | 2 réponses | 0

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Question


how i can save the output of hidden layer of neural network
after i complete my program,i want to save the output,weight and bias of hidden layer of neural network, can any one help me to ...

plus de 11 ans il y a | 2 réponses | 1

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Question


what is the line of code mean?
this line from earlier version of Matlab : c=Table[If[t==1, 0.7071, 1], {t,1,n}]; in the newer version this line indicat...

plus de 11 ans il y a | 2 réponses | 0

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Question


design neural network for image compression
how can i design neural network for image compression ?

plus de 11 ans il y a | 1 réponse | 0

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Question


how can i segment image into blocks
i want to design neural network for image compression , the first step is dividing the image into sub image then convert sub ima...

plus de 11 ans il y a | 1 réponse | 0

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Question


how can i design neural network for image compression
i need example for this topic

plus de 11 ans il y a | 1 réponse | 0

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