LS-CF is a new post-processing filter that enforces pixel-level vessel continuity with local tolerance to repair discontinuities in Frangi-type responses, delivering competitive or superior unsupervised segmentation accuracy on multimodal datasets including OSIRIX, IOSTAR, DRIVE, STARE, and CHASE-DB
Frangi-Net: A Neural Network Approach to Vessel Segmentation
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abstract
In this paper, we reformulate the conventional 2-D Frangi vesselness measure into a pre-weighted neural network ("Frangi-Net"), and illustrate that the Frangi-Net is equivalent to the original Frangi filter. Furthermore, we show that, as a neural network, Frangi-Net is trainable. We evaluate the proposed method on a set of 45 high resolution fundus images. After fine-tuning, we observe both qualitative and quantitative improvements in the segmentation quality compared to the original Frangi measure, with an increase up to $17\%$ in F1 score.
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2026 1verdicts
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Local-sensitive connectivity filter (ls-cf): A post-processing unsupervised improvement of the frangi, hessian and vesselness filters for multimodal vessel segmentation
LS-CF is a new post-processing filter that enforces pixel-level vessel continuity with local tolerance to repair discontinuities in Frangi-type responses, delivering competitive or superior unsupervised segmentation accuracy on multimodal datasets including OSIRIX, IOSTAR, DRIVE, STARE, and CHASE-DB