Table 2:

Comparison of average distance error between our Fiedler vector approach (in bold) and other registration methods.

Method	Dist. Error
Fiedler Vector Representation + Fold matching	5.24 mm
Quasi-conformal mapping [35]	7.85 mm
Fiedler Vector Representation	11.98 mm
Centerline registration + statistical analysis [17]	12.66 mm
Linear stretching/shrinking of centerline [2]	13.20 mm
Centerline feature match + lumen deformation [29]	13.77 mm
Fiedler vector + piecewise registration [16]	14.19 mm
Centerline point correlation [7]	20.00 mm
Taeniae coli correlation [14]	23.33 mm