Modeling Respiratory Signals by Deformable Image Registration on 4DCT Lung Images

Table 3

The slices from 1 to 30 and 70 to 94 are unused and insignificant for registration because of little lung information.

Slice index	Slice lung information	Remark
01		No lung information
15		Too little lung information
80		The undetermined shape of the lung
90		No left lung information