Ahmed almansory

karbala

Last seen: nästan 4 år ago | Active since 2012

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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...

nästan 9 år ago | 1 answer | 0

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answer

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 ...

nästan 9 år ago | 0 answers | 0

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answers

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

ungefär 9 år ago | 1 answer | 0

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answer

Question

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...

ungefär 12 år ago | 3 answers | 0

3

answers

Question

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 ....

ungefär 12 år ago | 1 answer | 0

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answer

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...

ungefär 12 år ago | 0 answers | 0

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answers

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 ...

mer än 12 år ago | 0 answers | 0

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answers

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...

mer än 12 år ago | 1 answer | 0

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answer

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...

mer än 12 år ago | 2 answers | 0

2

answers

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

mer än 12 år ago | 2 answers | 0

2

answers

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 ...

mer än 12 år ago | 2 answers | 1

2

answers

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...

nästan 13 år ago | 2 answers | 0

2

answers

Question

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

nästan 13 år ago | 0 answers | 0

0

answers

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...

nästan 13 år ago | 1 answer | 0

1

answer

Question

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

nästan 13 år ago | 1 answer | 0

1

answer