Table 1.

Comparison between the total processing times required by the (a) classical projection matching, (b) Faproma, and (c) JI-Faproma methods evaluated on the ideal test phantom and (d) real X-ray nano-tomography case.

Case	(a) Test phantom	(b) Test phantom	(c) Test phantom	(d) TXM data
Alignment method	Classical PM	Faproma	JI-Faproma	JI-Faproma
Data size	511 × 511 pixels (181 images)	511 × 511 pixels (181 images)	511 × 511 pixels (181 images)	512 × 512 pixels (171 images)
Processing time for the in-plane rotational and vertical error correction	NA	78 s (1 iteration, measured)	78 s (1 iteration, measured)	74 s (7 iteration, measured)
Processing time for the horizontal error correction	>3832500 s (50 × 50 iteration, estimated)	428 s (50 × 10 iteration, measured)	49 s (15 iteration, measured)	49 s (15 iteration, measured)
Total processing time	>3832500 s	516 s	127 s	123 s