Community Profile

# Chaou

18 total contributions since 2012

Student
Professional Interests: signal processing

Contributions in
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Question

Conversion to struct from double is not possible- Neural Network Pattern Recognition Toolbox
Hello. I'm trying to execute the simplest example for Pattern recognition network, given in this link http://www.mathworks.fr/f...

3 years ago | 2 Answers | 0

### 2

Question

Bad results obtained for LS-SVM regression. Any help?
Hello. Although I read many times the tutorial for this LS-SVM toolbox http://www.esat.kuleuven.be/sista/lssvmlab/ , I'm still ...

3 years ago | 0 Answers | 0

### 0

Question

How to calculate polynomial coefficient in this case?
Hollo. I want to formulate P(x) as a polynomial function, So: P(x) = C1 + C2 * X + C3 * X^2 + C4 * X^3 + C5 * X^4 ...... + C...

3 years ago | 2 Answers | 0

### 2

How to perform an image classification ?
Hello Image Analyst, I think that the problem is bigger. I can't even execute the Matlab tutoriel for finding corners. <http:/...

3 years ago | 0

Question

How to plot this kind of figures?
Hello, I'm trying to plot figures like this: <<http://s14.postimg.org/7waioo1ep/image.png>> Can you, please, help me out...

3 years ago | 1 Answers | 0

### 1

Question

How to determine the value of two constants among lot of equations?
Hello. I want to determine the value of two constants X and Y, among a lot of equations. I mean, equations such as: 2^X=3*...

3 years ago | 1 Answers | 0

### 1

How to perform an image classification ?
Hello. As you requested, here are the images corresponding to no discharge, few discharges and a lot of discharges (before flash...

3 years ago | 0

How to perform an image classification ?
Hello. This is an example of 3-D images I want to work on. This image described an electrical discharge. Basically, I want to ma...

3 years ago | 0

Question

How to perform an image classification ?
Hello. I have plenty of images, each one of them corresponds to a class. Knowing that I have 3 classes, I want to perform an im...

3 years ago | 6 Answers | 0

### 6

Responded

Re: on FLDA/LDA
Hello Amine. I'am working on the same problem.... Do you look for 2 classes or 3 classes LDA code ? email me, maybe I can help y...

4 years ago | 5415 views

Responded

Re: How to implement multiclass LDA (Fisher) ?
Thank you Greg for your response. But I do not understand how you campute covarience Sb and Sw without loops. You say to compu...

4 years ago | 5494 views

Responded

Re: How to implement multiclass LDA (Fisher) ?
No aswers ? Can anyone help me, please !

4 years ago | 5494 views

Posted

How to implement multiclass LDA (Fisher) ?
Hello matlab users ! I'm trying to compute LDA transformation (not classification) for 3 classes in Matlab. I want to have the ...

4 years ago | 5494 views

Responded

Re: How to use LDA and PCA as a preprocessing tool before classification
Okay Ilya. I got my within-class and between-class covariance matrices, size 6x6. I ran your code : [coeff,lambda] = eig(sb,s...

4 years ago | 8588 views

Responded

Re: How to use LDA and PCA as a preprocessing tool before classification
Hello Ilya. I computed the within-class and between-class covariance matrices. I don't know if I did it right. I have 3 groups (...

4 years ago | 8588 views

Responded

Re: How to use LDA and PCA as a preprocessing tool before classification ?
Hello Ilya. Thank you for your help, I really appreciate it !!! Well, for PCA, I'm traying to proof that by combining PCA to kn...

4 years ago | 8588 views

Posted

How to use LDA and PCA as a preprocessing tool before classification ?
Hello everyone. Here is what I want to do. I have an Input matrix (120x6), and its assigned classes Target (120x1). Target matri...

4 years ago | 8588 views

Responded

Re: principal component analysis for classification??
Hello Tom. Please, did you find any answers about how to do classification with PCA ? I'm really getting mad with this.... Doe...

4 years ago | 4302 views