Medical image registration based on watershed transform from greyscale marker and multi-scale parameter search

RECOD research group in collaboration with Prof. Alexandre Falcão, Center for Information Technology Renato Archer and Neuroimaging Laboratory propose an automatic 3D medical image registration method that combines the watershed transform from greyscale marker with a robust optimisation algorithm, called multi-scale parameter search (MSPS), to quickly estimate the mapping function. The article, Medical image registration based on watershed transform from greyscale marker and multi-scale parameter search, is published on Computer Methods in Biomechanics and Biomedical Engineering: Imaging & Visualization.

The authors evaluate it for rigid and intra-subject registration of pre- and post-surgery MR-T1 images of the brain. Extensive experiments show that the proposed approach is very accurate, robust to noise and provides 3D registration in less than 40 s, with no multi-resolution image schemes needed.


Medical image registration based on watershed transform from greyscale marker and multi-scale parameter search. Guilherme C.S. Ruppert , Giovani Chiachia , Felipe P.G. Bergo , Fernanda O. Favretto , Clarissa L. Yasuda , Anderson Rocha , Alexandre X. Falcão. Computer Methods in Biomechanics and Biomedical Engineering: Imaging & Visualization. 2015.

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