Retinal vascular boundary extraction based on direction filtering

Haishun Wang; Rong Wang; Limin Chen

doi:10.1117/12.750881

14 November 2007 Retinal vascular boundary extraction based on direction filtering

Haishun Wang, Rong Wang, Limin Chen

Proceedings Volume 6789, MIPPR 2007: Medical Imaging, Parallel Processing of Images, and Optimization Techniques; 678919 (2007) https://doi.org/10.1117/12.750881
Event: International Symposium on Multispectral Image Processing and Pattern Recognition, 2007, Wuhan, China

Abstract

Blood vessel images have strongly morphological characteristic as well as complicated backgrounds. However, traditional boundary extraction algorithms rarely utilize the local uniform direction of the pixels in the vascular margin and often incur discontinuities of edges due to background noises. In this paper a new vascular boundary extraction algorithm based on direction filtering is presented, in which some algorithms, such as chaotic filtering, direction and distance matrix, as well as edge tracing, are put forward. The experimental results indicate that the algorithm has achieved better effects in noise depression and vascular extraction.

Citation Download Citation

Haishun Wang, Rong Wang, and Limin Chen "Retinal vascular boundary extraction based on direction filtering", Proc. SPIE 6789, MIPPR 2007: Medical Imaging, Parallel Processing of Images, and Optimization Techniques, 678919 (14 November 2007); https://doi.org/10.1117/12.750881

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