Seyrek Ögrenme ile Yüz İşaret Yaması Bazlı Eylem Birimi Saptama

Yıl 2016, Cilt: 9 Sayı: 2, 21 - 26, 06.07.2017

DUYGU Cakır , Nafiz Arıca

Öz

Yüz Eylem Kodlama
Sistemi (FACS), bir kişinin hatta bir hayvanın duygusal dışa vurum ya da acı
gibi yüz ifadelerini tanımlamada en çok kullanılan ve en yaygın olarak kabul
gören standarttır. Bu sistemde yüzlerce Eylem Ünitesi (AU) kombinasyonu
kullanılarak yüzdeki kas hareketleri tanımlanmaktadır.  Bu çalısmada yüz eylem ünitelerini yakalamak
amacıyla yüz işaret noktalarından elde edilen imge yamalarıyla seyrek ögrenme
tabanlı bir yöntem önerilmektedir. Önerilen yöntem bire karşı hepsi
yaklaşımıyla tüm eylem üniteleri için ayrı ayrı en ayırt edici yüz işaret
noktalarını çıkarmaktadır. CK+ veri kümesi üzerinde yapılan deneylerde,
önerilen yöntemin son yıllarda yapılan yama bazlı çalışmaların çoğundan daha
başarılı sonuç verdiği gözlenmiştir.

Anahtar Kelimeler

eylem ünitesi saptama, seyrek öğrenme

Kaynakça

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