Rawan hamdi

GUC

自 2013 起处于活动状态

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统计学

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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'); ...

8 years 前 | 1 个回答 | 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...

10 years 前 | 1 个回答 | 0

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提问

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?

11 years 前 | 0 个回答 | 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...

11 years 前 | 0 个回答 | 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...

11 years 前 | 0 个回答 | 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?

11 years 前 | 4 个回答 | 0

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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...

11 years 前 | 0 个回答 | 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...

11 years 前 | 1 个回答 | 0

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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 ...

11 years 前 | 1 个回答 | 0

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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 ...

11 years 前 | 1 个回答 | 0

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提问

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

11 years 前 | 0 个回答 | 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...

11 years 前 | 1 个回答 | 0

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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 "...

11 years 前 | 0 个回答 | 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 ...

11 years 前 | 2 个回答 | 0

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已回答
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 ...

11 years 前 | 0

提问

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...

11 years 前 | 0 个回答 | 0

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提问

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...

11 years 前 | 3 个回答 | 0

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

11 years 前 | 0

提问

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...

11 years 前 | 3 个回答 | 0