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Mohamed Moawed


Faculty of Electronic Engineering

Last seen: mer än 4 år ago |  Active since 2013

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Converting from 3D to 2D image
Dear All, I have a 3D CT image with a dimension 512x512x301 int16 and I need to convert it to 2D (X,Z) at Y =256 How ca...

mer än 4 år ago | 1 answer | 0

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How to find the differences between two colored images?
Dear all, I have original image and another one that has something missing. I need an algorithm to find this missing thing be...

mer än 7 år ago | 1 answer | 0

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Extract features from 3D images
Dear all, I need to extract features from 3D images. I read about GLCM but it only extract features from 2D images. Is there...

nästan 10 år ago | 0 answers | 0

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How can i do fast Fourier transform for matrix of images with Matlab?
I have a matrix of images and i want to do feature extraction using Fourier Transform with Matlab to extract the important featu...

ungefär 11 år ago | 1 answer | 0

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what is the difference between pca(x) and princomp(x) matlab commands?
could any one help me the difference between pca(x) and princomp(x) matlab commands?

mer än 11 år ago | 2 answers | 0

2

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how can i compute PCA for a huge data set?
hello Everybody, i have a huge data set (120 raw X 600000 columns) my Hardware is core i5, 2.5 GHz, 8 GB RAM, Win8 64 bit, MAT...

mer än 11 år ago | 1 answer | 0

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How can i increase MATLAB memory?
when i try to do SVM with some data i get out-of-memory message how can i increase my matlab memory?

mer än 11 år ago | 1 answer | 0

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how can i connect betwee eigenvalues and image ?
in my work i have several fMRI brain images for Alzheimer Disease. and i get these images and compare between each part in these...

mer än 11 år ago | 0 answers | 0

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what does eigenvalues expres in the covariance matrix?
is there a relationship between a covariance matrix and eigenvalues? like an example Let us consider a 321 × 261 image dimen...

mer än 11 år ago | 2 answers | 0

2

answers

Question


is there a relationship between eigen values and covariance matrix?
when calculating Principle Component Analysis, we need to compute first the covariance matrix, then we get the eigenvalues and t...

mer än 11 år ago | 1 answer | 0

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is there a version of Principle Component Analysis for images?
hello everybody, i want to ask about Principle Component Analysis, a tool used for data analysis is there a version for PCA...

mer än 11 år ago | 3 answers | 0

3

answers

Question


how can i read or open a .img file using Matlab?
i have an fMRI images with .img and .hdr format but i can't open or see this image. could you please help me? thanks

mer än 11 år ago | 2 answers | 0

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answers