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Mohamed Moawed


Faculty of Electronic Engineering

Last seen: ungefär 2 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...

ungefär 2 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...

ungefär 5 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...

mer än 7 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...

mer än 8 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?

ungefär 9 år ago | 2 answers | 0

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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...

ungefär 9 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?

ungefär 9 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...

ungefär 9 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...

ungefär 9 år ago | 2 answers | 0

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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...

ungefär 9 år ago | 1 answer | 0

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Question


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...

ungefär 9 år ago | 3 answers | 0

3

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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

ungefär 9 år ago | 2 answers | 0

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