Search Results for author: Bart Liefers

Found 5 papers, 3 papers with code

Uncertainty-aware retinal layer segmentation in OCT through probabilistic signed distance functions

1 code implementation6 Dec 2024 Mohammad Mohaiminul Islam, Coen de Vente, Bart Liefers, Caroline Klaver, Erik J Bekkers, Clara I. Sánchez

To address these shortcomings, our methodology refines the segmentation by predicting a signed distance function (SDF) that effectively parameterizes the retinal layer shape via level set.

Segmentation

VascX Models: Model Ensembles for Retinal Vascular Analysis from Color Fundus Images

1 code implementation24 Sep 2024 Jose Vargas Quiros, Bart Liefers, Karin van Garderen, Jeroen Vermeulen, Eyened Reading Center, Sinergia Consortium, Caroline Klaver

Additional CFIs, mainly from the population-based Rotterdam Study were annotated by graders for arteries and veins at pixel level, resulting in a dataset diverse in patient demographics and imaging conditions.

Artery/Veins Retinal Vessel Segmentation Segmentation

Iterative Augmentation of Visual Evidence for Weakly-Supervised Lesion Localization in Deep Interpretability Frameworks: Application to Color Fundus Images

no code implementations16 Oct 2019 Cristina González-Gonzalo, Bart Liefers, Bram van Ginneken, Clara I. Sánchez

We show that the augmented visual evidence of the predictions highlights the biomarkers considered by experts for diagnosis and improves the final localization performance.

A deep learning model for segmentation of geographic atrophy to study its long-term natural history

no code implementations15 Aug 2019 Bart Liefers, Johanna M. Colijn, Cristina González-Gonzalo, Timo Verzijden, Paul Mitchell, Carel B. Hoyng, Bram van Ginneken, Caroline C. W. Klaver, Clara I. Sánchez

Participants: 409 CFIs of 238 eyes with GA from the Rotterdam Study (RS) and the Blue Mountain Eye Study (BMES) for model development, and 5, 379 CFIs of 625 eyes from the Age-Related Eye Disease Study (AREDS) for analysis of GA growth rate.

Segmentation

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