Frangi Filter

The Frangi filter is typically used to detect vessel-like or tube-like structures and fibers in volumetric image data.

The screenshots below demonstrate the results of filtering vessels in lung tissue on a coronary computed tomography (CT) scan with the Frangi filter.

References

Alejandro F. Frangi, Wiro J. Niessen, Koen L. Vinc and Max A. Viergever (1998), "Multiscale Vessel Enhancement Filtering", Medical Image Computing and Computer-Assisted Interventation — MICCAI’98 Lecture Notes in Computer Science 1496/1998: 130.