# Mohamed Moawed

### Faculty of Electronic Engineering

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Question

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 3 år ago | 1 answer | 0

### 1

answerQuestion

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 6 år ago | 1 answer | 0

### 1

answerQuestion

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 8 år ago | 0 answers | 0

### 0

answersQuestion

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...

nästan 10 år ago | 1 answer | 0

### 1

answerQuestion

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 10 år ago | 2 answers | 0

### 2

answersQuestion

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 10 år ago | 1 answer | 0

### 1

answerQuestion

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 10 år ago | 1 answer | 0

### 1

answerQuestion

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 10 år ago | 0 answers | 0

### 0

answersQuestion

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 10 år ago | 2 answers | 0

### 2

answersQuestion

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 10 år ago | 1 answer | 0

### 1

answerQuestion

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 10 år ago | 3 answers | 0

### 3

answersQuestion

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 10 år ago | 2 answers | 0