Tanya

Actif depuis 2014

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France Master Student

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URGENT... Matlab System::FatalException!!!
Hi all,, I have SERIOUS problem with my Matlab. I m going to do classification by using SIFT featrues (vl_sift function from VLF...

presque 10 ans il y a | 1 réponse | 0

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Eigen vector in SVD??
Im going to compute the eigen value and eigen vector from my Matrix data fro the classification. The rows represent the diff...

presque 10 ans il y a | 1 réponse | 0

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PCA calculation for classification?
To do PCA, we have to compute the covariance matrix from our input data and then eigen decomposition is performed in that covari...

presque 10 ans il y a | 1 réponse | 0

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How to perform labelling in the 3D extracted features in classification?
I extracted the features from many images in 3D. So the form of the extracted features (for example): Image 1 --> 10 x ...

environ 10 ans il y a | 1 réponse | 0

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Calculation of Principal Component Analysis
I am strugling with PCA stuff. So for example I have : Data=100*3 substractdata=data-mean (the size will be s...

environ 10 ans il y a | 1 réponse | 0

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Proof that the computed Eigen Vectors is righ?t
Hii all.. I am working in PCA to do Dimensionally Reduction. I already extract the eigen values and eigen vectors from the r...

environ 10 ans il y a | 1 réponse | 0

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Question

Suggestion about method for recognition based on machine learning?
I am going to develop a traffic sign recognition based on machine learning (SVM). I just have to work at the recognition part (N...

environ 10 ans il y a | 1 réponse | 0

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Question

Plot eigen Vector e1 & e2 in matlab?
How to be able plot eigen vector in Matlab an make it sure have the exact position as a new axes of our data?? here is my cod...

environ 10 ans il y a | 1 réponse | 0

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Question

PCA generated initial matrix in gaussian and ellipse?
I have to do PCA in Matlab for object recognition. For the input matrix / data, it should be fulfill the condition (to be dis...

environ 10 ans il y a | 1 réponse | 0

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Question

How to be able to plot all the data in Matrix and the the mean of matrix in Matlab?
I want to plot my data for PCA. For ex/ I have *100*50* matrix. Im now sure, but may be we can consider the column as the ...

environ 10 ans il y a | 1 réponse | 0

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How to get the number of significant Eigen Value?
Im working in Matlab to compute the PCA. I already compute the Eigen Value and the Eigen Vector. I used this matlab function ...

environ 10 ans il y a | 1 réponse | 0

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Question

URGENT!!! Matlab Symbolic Variable Error???
Im tring to substract the diagonal values with *eigval* and store the new value in the matrix *Diagonal* : CovarianceMatrix...

environ 10 ans il y a | 1 réponse | 0

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Question

Matrix Calculation in MATLAB
Could someone help me solve this problem in Matlab.. Suppose I have this Matriks A=[2-x 5 2 3-x ] So, it...

environ 10 ans il y a | 2 réponses | 0

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Question

How to calculate determinant in PCA?
Im going to program PCA, but for that, I have to calculate the Eigen Vector and Eigen Value. My question is in calculate the ...

environ 10 ans il y a | 1 réponse | 0

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