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. Author manuscript; available in PMC: 2011 Jun 24.
Published in final edited form as: IEEE Trans Med Imaging. 2010 Jun 17;29(9):1676–1687. doi: 10.1109/TMI.2010.2050595

TABLE I.

Mitral Annulus Segmentation Algorithm Parameters Used for All Studied Valves

Parameter Value Units Parameter Value Units
σ 1 mm αc 25
p 3 voxels m 2
rpca 12.5 mm σn=1 2.5 mm
rgraph 25 mm σn=2 1 mm
ωp 1.5 Δφ 10 degrees
ωo 1 σs 1 mm
αs 25 dt 0.2
Δγ 5 degrees ωdrv 2
Δr 0.5 mm ωxy 2
λint 5 ωz 0.2
λttd 1 ωatt 1
ωs 25 ε 0.5 mm
ωd 1