Table 2.

The root mean square error (RMSE) between the true partial volume fraction and estimated partial volume fraction of each tissue type on the whole volume and on the slices including the maximum fiber-crossing area and single fiber area of the digital DTI phantom

	Whole volume			The slice including the maximum fiber-crossing area			The slice including the single fiber area
	WM	GM	CSF	WM	GM	CSF	WM	GM	CSF
Conventional method	0.269	0.102	0.065	0.326	0.113	0.050	0.168	0.085	0.063
Proposed method	0.241	0.113	0.062	0.240	0.121	0.048	0.174	0.088	0.060