IEEE/ICACT20210175 Slide.17        [Big Slide]       Oral Presentation
The process of feature extraction mostly requires domain level expertise, that is reason why we call these obtained features by this way are ¡°handcrafted¡± features. The facial features can be extracted from the entire face or particular facial regions, and categorized into two types, i.e. geometric-based (or shape-based) and appearance-based.

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