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b1: Laplacian Edge Detector
The b1 algorithm is inspired by Petrick
et al. [135,136], who used a Laplacian edge
detector in order to find closed regions in an enhanced image of
the mammogram. Similar to the a1 algorithm, the DWCE filter
is applied as a enhancement process to highlight potential masses.
Applying an edge detector makes it possible to select these
regions.
Arnau Oliver
2008-06-17