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Mohamed Moawed


Faculty of Electronic Engineering

Last seen: ongeveer 4 jaar 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...

ongeveer 4 jaar 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...

bijna 7 jaar 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...

ongeveer 9 jaar 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...

meer dan 10 jaar 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?

bijna 11 jaar 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...

bijna 11 jaar 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?

bijna 11 jaar 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...

bijna 11 jaar 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...

bijna 11 jaar ago | 2 answers | 0

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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...

bijna 11 jaar 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...

ongeveer 11 jaar ago | 3 answers | 0

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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

ongeveer 11 jaar ago | 2 answers | 0

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