Persistent homology of graph-like digital images

Ege Ö. , Karaca İ.

Annali Di Matematica Pura Ed Applicata, cilt.199, ss.1-14, 2020 (SCI Expanded İndekslerine Giren Dergi)

  • Cilt numarası: 199
  • Basım Tarihi: 2020
  • Dergi Adı: Annali Di Matematica Pura Ed Applicata
  • Sayfa Sayıları: ss.1-14


In this paper, we introduce persistent homology for graph-like digital images as a new type of computation of digital homology groups. We calculate persistent homology groups of some graph-like digital images. Moreover, we prove some theorems related to a singleton point and $\kappa$-connected graph-like digital images. It has been shown that identity and composition axioms are satisfied for digital persistent homology groups. Finally, we give some applications of the new theory to image processing.