Higher order orthogonal moments for invariant facial expression recognition

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Ming-Kuei Hu · IEEE Transactions on Information Theory · 1962 · 7.5K citations

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Image analysis via the general theory of moments*

M. R. Teague · Journal of the Optical Society of America · 1980 · 2.2K citations

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Coding facial expressions with Gabor wavelets

Michael J. Lyons, Shigeru Akamatsu, Miyuki Kamachi et al. · 2002 · 2.2K citations · Full text

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