Evidence map›Paper›PMID 34215763›Full record

ArticleScientific reports2021

Livelayer: a semi-automatic software program for segmentation of layers and diabetic macular edema in optical coherence tomography images.

Mansooreh Montazerin, Zahra Sajjadifar, Elias Khalili Pour, Hamid Riazi-Esfahani, Tahereh Mahmoudi, Hossein Rabbani, Hossein Movahedian, Alireza Dehghani, Mohammadreza Akhlaghi, Rahele Kafieh

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Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

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10citing papers in PubMed
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1 · What the graph read from it

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3 · Its place in the literature

Who cites it

10 citing papers in PubMed.

  1. Article
  2. Article
  3. The effect of optical degradation from cataract using a new Deep Learning optical coherence tomography segmentation algorithm.Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie · 2024
    Article
  4. Article
  5. Article
  6. Article
  7. Artificial Intelligence in Medicine.Journal of biomedical physics & engineering · 2022
    Article
  8. Article
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4 · The record

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5 · Who and what money

Authors and funding

10 authors.

Mansooreh MontazerinDepartment of Electrical and Computer Engineering, Isfahan University of Technology, Isfahan, Iran.
Zahra SajjadifarDepartment of Electrical and Computer Engineering, Isfahan University of Technology, Isfahan, Iran.
Elias Khalili PourRetina Service, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran.
Hamid Riazi-EsfahaniRetina Service, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran.
Tahereh MahmoudiDepartment of Biomedical Systems and Medical Physics, Tehran University of Medical Sciences, Tehran, Iran.
Hossein RabbaniSchool of Advanced Technologies in Medicine, Medical Image and Signal Processing Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.
Hossein MovahedianIsfahan Eye Research Center, Department of Ophthalmology, Isfahan University of Medical Sciences, Isfahan, Iran.
Alireza DehghaniIsfahan Eye Research Center, Department of Ophthalmology, Isfahan University of Medical Sciences, Isfahan, Iran.
Mohammadreza AkhlaghiIsfahan Eye Research Center, Department of Ophthalmology, Isfahan University of Medical Sciences, Isfahan, Iran.
Rahele KafiehSchool of Advanced Technologies in Medicine, Medical Image and Signal Processing Research Center, Isfahan University of Medical Sciences, Isfahan, Iran. rkafieh@gmail.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Given the capacity of Optical Coherence Tomography (OCT) imaging to display structural changes in a wide variety of eye diseases and neurological disorders, the need for OCT image segmentation and the corresponding data interpretation is latterly felt more than ever before. In this paper, we wish to address this need by designing a semi-automatic software program for applying reliable segmentation of 8 different macular layers as well as outlining retinal pathologies such as diabetic macular edema. The software accommodates a novel graph-based semi-automatic method, called "Livelayer" which is designed for straightforward segmentation of retinal layers and fluids. This method is chiefly based on Dijkstra's Shortest Path First (SPF) algorithm and the Live-wire function together with some preprocessing operations on the to-be-segmented images. The software is indeed suitable for obtaining detailed segmentation of layers, exact localization of clear or unclear fluid objects and the ground truth, demanding far less endeavor in comparison to a common manual segmentation method. It is also valuable as a tool for calculating the irregularity index in deformed OCT images. The amount of time (seconds) that Livelayer required for segmentation of Inner Limiting Membrane, Inner Plexiform Layer-Inner Nuclear Layer, Outer Plexiform Layer-Outer Nuclear Layer was much less than that for the manual segmentation, 5 s for the ILM (minimum) and 15.57 s for the OPL-ONL (maximum). The unsigned errors (pixels) between the semi-automatically labeled and gold standard data was on average 2.7, 1.9, 2.1 for ILM, IPL-INL, OPL-ONL, respectively. The Bland-Altman plots indicated perfect concordance between the Livelayer and the manual algorithm and that they could be used interchangeably. The repeatability error was around one pixel for the OPL-ONL and < 1 for the other two. The unsigned errors between the Livelayer and the manual algorithm was 1.33 for ILM and 1.53 for Nerve Fiber Layer-Ganglion Cell Layer in peripapillary B-Scans. The Dice scores for comparing the two algorithms and for obtaining the repeatability on segmentation of fluid objects were at acceptable levels.

Indexed as

SoftwareAgedAged, 80 and overAlgorithmsDiabetic RetinopathyFemaleHumansMacular EdemaMaleMiddle AgedRetinaRetinal Ganglion CellsTomography, Optical Coherence

Identifiers

PMID34215763
PMCPMC8253852

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