Table 2:

Tested values for the parameters of the stochastic gradient descent optimization procedure for the low- and high-resolution steps for the SIMPLE dataset

Parameter	Low-resolution	High-resolution
Tμ	Affine	Rigid
S	MI	MI, NCC
Ns	5000, 7500, 9000, 10 000	8000
Ni	1000	2000
MSL	1, 5, 10, 20, 30, 40	1, 5, 25, 50
Input	lum	lum, hem

See table 1 for the meaning of the parameters.

MI, mutual information; MSL, maximum step length; NCC, normalized cross-correlation; SIMPLE, sequential immunoperoxidase labeling and erasing.