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Rawan hamdi


GUC

Con actividad desde 2013

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how to plot a hyperspectral image in matlab?
Hi, I've used these 2 lines SIZE = [1208,307 ,191]; X = multibandread('dc.tif', SIZE, 'int16',1, 'bsq', 'ieee-le'); ...

casi 9 años hace | 1 respuesta | 1

1

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How to perform rotation of an image around it's center?
Hi, I want to rotate an image around it's center by the following steps: 1)Translate the image to the origin so that it's cent...

alrededor de 11 años hace | 1 respuesta | 0

1

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Pregunta


How to apply wavelet shrinkage denoising on gray scale images?
Hi, i've tried using wden function to denoise an image but it's only used for 1D signals,any help?

casi 12 años hace | 0 respuestas | 0

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How to implement the augmented lagarangian method?
Hi, i have a function like this x = ||g-u||.^2 + lambda.*R where g,u and R are matrices of same size,and l...

casi 12 años hace | 0 respuestas | 0

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how to apply augmented lagarangian method to optimize an equation?
Hi, i'm having an equation : x = argmin ||g-u|| where g and u are 2 matrices of size [280,307,191] and i would like to optim...

casi 12 años hace | 0 respuestas | 0

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How to get arg min of an N-dimensional Matrix ?
Hi, i'm having an image of size[280,307,191] and i want to get the argmin of it,Any help?

casi 12 años hace | 4 respuestas | 0

4

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How to get a matrix from a least squares equation?
Hi, If i have this term arg min ||Ax-b|| and i used this code to get x x = lsqnonneg(A,b) How can i obtain x in a matrix...

casi 12 años hace | 0 respuestas | 0

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How to optimize a function ?
Hi, i'm running a denoising algorithm on an image which is 3D image and i'm trying to implement some equations and i need help h...

casi 12 años hace | 1 respuesta | 0

1

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how to get SNR for 2 images
hi, i have 2 images and i would like to get SNR between these 2 images. i have an original clean image which is X0, i added ...

casi 12 años hace | 1 respuesta | 0

1

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How can i implement least squares of the difference between 2 matrices?
Hi, I'm trying to get the least squares of the difference between 2 matrices argmin ||g-u|| both g and u are matrices of ...

casi 12 años hace | 1 respuesta | 0

1

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How to raise the tolerance in 'lsqnonneg'
Matlab Exiting: Iteration count is exceeded, exiting LSQNONNEG,Try raising the tolerance (OPTIONS.TolX).

casi 12 años hace | 0 respuestas | 0

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how can i get the PSNR for an multibanded image?
Hi, I have an image which is [307,280,191] and i added some noise to it and i want to get the PSNR between the 2 images (origin...

casi 12 años hace | 1 respuesta | 0

1

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How to implement the cost function?
Hi, Can anyone help me understand how to implement the cost function: u = arg min(||g-u||).^2 + lambda.R(u) where the term "...

casi 12 años hace | 0 respuestas | 0

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How to multiply elements of a matrix by a number
Hi, I'm having a matrix of size X= [280,307,191] and i want to restore the matrix such that the 3rd dimension of the matrix is ...

casi 12 años hace | 2 respuestas | 0

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Respondida
How to loop on a data cube of an image
I've tried this: x= squeeze(X(1,:,1)); y =squeeze(X(:,1,1)); b = X(1,1,:); for i=1:x for j =1 : y ...

casi 12 años hace | 0

Pregunta


How to loop on a data cube of an image
Hi, I'm trying to calculate gradient at each pixel in a data cube of an image an i'm getting this error "index out of bounds be...

casi 12 años hace | 0 respuestas | 0

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How to loop on a data cube of an image
Hi, I'm trying to calculate gradient at each pixel in a data cube of an image an i'm getting this error "index out of bounds be...

casi 12 años hace | 3 respuestas | 0

3

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Respondida
how to read the data of a hyperspectral image eg. samples,bands..etc from a header file in Matlab
Thank you

casi 12 años hace | 0

Pregunta


how to get gradient of an image
hi im having a hyperspectral image and im trying to get the gradient operators of the horizontal and vertical directions but i c...

casi 12 años hace | 3 respuestas | 0

3

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Respondida
how to read the data of a hyperspectral image eg. samples,bands..etc from a header file in Matlab
what tiff class?

casi 12 años hace | 0

Pregunta


how to read the data of a hyperspectral image eg. samples,bands..etc from a header file in Matlab
I'm trying to read a hyperspectral image of type tif in matlab

casi 12 años hace | 4 respuestas | 0

4

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