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In this era of technology, we need applications which could be easy to use and are user-friendly that even people with certain disabilities could use them easily. Many applications exist for human behavior understanding, detection of mental disorders, and synthetic human expressions in the domain of automatic facial recognition systems. Generally, most of the publications propose two methods for automatic Facial Expression Recognition (FER) systems i.e. geometric based and appearance baseddoi:10.21833/ijaas.2017.04.005 fatcat:mqjeylfbpranbmtvr2wdhps35a