Multiscale triplet spatial information fusion-based deep learning method to detect retinal pigment signs with fundus images

Muhammad Arsalan, Adnan Haider, Chanhum Park, Jin Seong Hong, Kang Ryoung Park

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Inherited retinal diseases (IRDs) are genetic disorders that cause progressive deterioration of the photoreceptors associated with vision loss or blindness. Retinitis pigmentosa (RP) is a rare hereditary ophthalmic disease that initially causes night blindness owing to continuous retinal pigment deterioration. A computer-aided diagnosis (CAD)-based RP diagnosis solution by pigment sign detection can help ophthalmologists to analyze and treat the disease timely. At present, most of the research addresses retinal disease CAD using expensive optical coherence tomography (OCT); however, fundus imaging-based solutions are quick, convenient, and inexpensive for massive screening. This study proposes two convolutional neural networks (CNNs)-based segmentation that combines multiscale features by spatial information fusion: a single spatial fusion network (SSF-Net) and a triplet spatial fusion network (TSF-Net). SSF-Net fuses four multiscale spatial information streams. TSF-Net exploits triplet spatial information fusion by early, intermediate, and late fusion to ensure the fine segmentation of retinal pigment signs without preprocessing. TSF-Net creates a valuable difference in performance over SSF-Net. To evaluate SSF-Net and TSF-Net, the open dataset, named Retinal Images for Pigment Signs is utilized with 4-fold cross-validation. The experiment results confirm that SSF-Net and TSF-Net demonstrate superior performance compared to the state-of-the-art methods for the screening and analysis of RP disease.

Original languageEnglish
Article number108353
JournalEngineering Applications of Artificial Intelligence
Volume133
DOIs
StatePublished - Jul 2024

Keywords

  • Computer-aided diagnosis
  • Fundus images
  • Single spatial fusion network
  • Triplet spatial fusion network
  • deep learning

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