Local Dominant Directional Symmetrical Coding Patterns for Facial Expression Recognition

<div>Convolution images of an example image based on two groups of symmetrical direction masks. (a) The convolution images of the first group and (b) the convolution images of the second group.</div>

Computational Intelligence and Neuroscience

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Figure 4

Figure 4: Local Dominant Directional Symmetrical Coding Patterns for Facial Expression Recognition 