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

Table 5

The sum of LBP and entropy error rate represents the respiratory signal for slides from 30 to 70.

Registration of target phase to the source phase T00	Slice index	Sum of standard deviation of LBP and entropy error rate	Remark
T10	Index from 30 to 70	0.1370	Start inhalation
T20	Index from 30 to 70	0.3220	Inhalation
T30	Index from 30 to 70	0.4321	Inhalation
T40	Index from 30 to 70	0.5655	Inhalation
T50	Index from 30 to 70	0.7124	Start exhalation
T60	Index from 30 to 70	0.6361	Exhalation
T70	Index from 30 to 70	0.4863	Exhalation
T80	Index from 30 to 70	0.4721	Exhalation
T90	Index from 30 to 70	0.1552	Finish