Eklem tabanlı etkili düşme tespiti
Yıl 2017,
Cilt: 32 Sayı: 4, 1025 - 1034, 08.12.2017
Muzaffer Aslan
,
Yaman Akbulut
,
Abdulkadir Şengür
,
Melih Cevdet İnce
Öz
Düşme
yaşlılar için ölüm ve yaralanmalarda en önemli nedenlerden biridir. Gerçek
zamanlı düşme tespiti yaşlıların güvenliği için büyük önem taşımaktadır. Bu
çalışmada, düşme tespiti için iskelet eklem verilerine dayalı yeni bir yöntem önerilmiştir.
21 deneğin katılımı ile oluşturulan FUKinect-Fall veri setindeki üç boyutlu (3b)
iskelet verileri önce iki adet (xy ve zy) iki boyut (2b) eklem verilerine
indirgenmiştir. Daha sonra seçilen referans ekleme göre iç içe geçmiş daireler
üzerine kodlanmış bölgeler oluşturularak her bir eksende kalan 19 eklemin bir
eylem süresince bulunduğu bölge ortalamalarını içeren özellik matrisi
çıkartılmıştır. Bu özellik matrisi k-En Yakın Komşu (k-EYK) ve Destek Vektör
Makinası (DVM) ile sınıflandırılmıştır. Yapılan deneysel çalışmalarda %97,08
doğrulukta düşme tespiti yapılmıştır.
Kaynakça
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