FACIAL EXPRESSION RECOGNITION on PARTIAL FACE IMAGES USING DEEP TRANSFER LEARNING

Yıl 2022, Sayı: 049, 118 - 129, 30.06.2022

İsmail Öztel , Gozde Yolcu Öztel , Veysel Harun Şahin

Öz

Facial expression recognition has a crucial role in communication. Computerized facial expression recognition systems have been developed for many purposes. People's faces can have occlusions because of scarves, facial masks, etc. in cases such as cold weather conditions or Covid-19 pandemic conditions. In this case, facial expression recognition can be challenging for automated systems. This study classifies facial images containing only the eyebrow and eye regions over six expressions with a deep learning-based approach. For this purpose, Radboud Face Database images have been used after cropping the area that includes eye and eyebrow regions. Some popular pre-trained networks have been trained and tested using the transfer learning approach. The Vgg19 pre-trained network achieved 91.33% accuracy over the six universal facial expressions. The experiments show that automated facial expression recognition can be applied with high performance by looking at the region containing eyes and eyebrows

Anahtar Kelimeler

Convolutional Neural Networks, Deep Learning, Facial Expression Recognition, Transfer Learning

Destekleyen Kurum

Sakarya University Scientific Research Projects Unit

Proje Numarası

2020-9-33-43

Teşekkür

This work was supported by the Sakarya University Scientific Research Projects Unit (Project Number: 2020-9-33-43).

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