How to construct the feature vector from gabor filters in facial emotion recognition system?

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Anastasia Pampouchidou

Concatenation is the most simple technique

Elham Shawky

concatenating the matrix values? the size will be too big?

the question is: who to create the feature vector from the gabor output matrix?

Yes the size of the vector will be too long (in one case I had a vector of 32 thousands of features from another descriptor), and then you use feature reduction, e.g. PCA, LDA, etc