Predicting central choroidal thickness from colour fundus photographs using deep learning

Yusuke Arai, Hidenori Takahashi, Takuya Takayama, Siamak Yousefi, Hironobu Tampo, Takehiro Yamashita, Tetsuya Hasegawa, Tomohiro Ohgami, Shozo Sonoda, Yoshiaki Tanaka, Satoru Inoda, Shinichi Sakamoto, Hidetoshi Kawashima and Yasuo Yanagi

PLOS ONE, 2024, vol. 19, issue 3, 1-11

Abstract: The estimation of central choroidal thickness from colour fundus images can improve disease detection. We developed a deep learning method to estimate central choroidal thickness from colour fundus images at a single institution, using independent datasets from other institutions for validation. A total of 2,548 images from patients who underwent same-day optical coherence tomography examination and colour fundus imaging at the outpatient clinic of Jichi Medical University Hospital were retrospectively analysed. For validation, 393 images from three institutions were used. Patients with signs of subretinal haemorrhage, central serous detachment, retinal pigment epithelial detachment, and/or macular oedema were excluded. All other fundus photographs with a visible pigment epithelium were included. The main outcome measure was the standard deviation of 10-fold cross-validation. Validation was performed using the original algorithm and the algorithm after learning based on images from all institutions. The standard deviation of 10-fold cross-validation was 73 μm. The standard deviation for other institutions was reduced by re-learning. We describe the first application and validation of a deep learning approach for the estimation of central choroidal thickness from fundus images. This algorithm is expected to help graders judge choroidal thickening and thinning.

Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0301467

DOI: 10.1371/journal.pone.0301467

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