Coronary Artery Center-Line Extraction Using Second Order Local Features

Table 2

List of parameter values set for the other three algorithms used in the comparison.

Parameter	Symbol	Value(s)
Weighting factor for detection of overlapping vessels	𝛽	1.5
Constant factor for adaptive look-ahead distance based on curvature change	𝜌	1/𝜋
Proportionality constant for search window	𝐾𝑤	2
Proportionality constant for look-ahead distance	𝐾𝑑	2
Threshold for percent dynamic range	𝛾𝑡	0.5%