Development of a code-free machine learning model for the classification of cataract surgery phases

This study assessed the performance of automated machine learning (AutoML) in classifying cataract surgery phases from surgical videos. Two ophthalmology trainees without coding experience designed a deep learning model in Google Cloud AutoML Video Classification for the classification of 10 differe...

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Veröffentlicht in:Scientific reports Jg. 12; H. 1; S. 2398 - 7
Hauptverfasser: Touma, Samir, Antaki, Fares, Duval, Renaud
Format: Journal Article
Sprache:Englisch
Veröffentlicht: London Nature Publishing Group UK 14.02.2022
Nature Publishing Group
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Cataract Extraction - methods
Cataract Extraction - standards
Cataracts
Classification
Deep Learning
Eye surgery
Humanities and Social Sciences
Humans
Learning algorithms
Lens, Crystalline - surgery
Machine Learning
multidisciplinary
Ophthalmology - standards
Performance assessment
Science
Science (multidisciplinary)
Surgery
ISSN:2045-2322, 2045-2322
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Zusammenfassung:This study assessed the performance of automated machine learning (AutoML) in classifying cataract surgery phases from surgical videos. Two ophthalmology trainees without coding experience designed a deep learning model in Google Cloud AutoML Video Classification for the classification of 10 different cataract surgery phases. We used two open-access publicly available datasets (total of 122 surgeries) for model training, validation and testing. External validation was performed on 10 surgeries issued from another dataset. The AutoML model demonstrated excellent discriminating performance, even outperforming bespoke deep learning models handcrafter by experts. The area under the precision-recall curve was 0.855. At the 0.5 confidence threshold cut-off, the overall performance metrics were as follows: sensitivity (81.0%), recall (77.1%), accuracy (96.0%) and F1 score (0.79). The per-segment metrics varied across the surgical phases: precision 66.7–100%, recall 46.2–100% and specificity 94.1–100%. Hydrodissection and phacoemulsification were the most accurately predicted phases (100 and 92.31% correct predictions, respectively). During external validation, the average precision was 54.2% (0.00–90.0%), the recall was 61.1% (0.00–100%) and specificity was 96.2% (91.0–99.0%). In conclusion, a code-free AutoML model can accurately classify cataract surgery phases from videos with an accuracy comparable or better than models developed by experts.
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ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-022-06127-5