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from imlib.general.numerical import check_positive_int, check_positive_float | ||
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def niftyreg_parse(parser): | ||
niftyreg_opt_parser = parser.add_argument_group( | ||
"NiftyReg registration backend options" | ||
) | ||
niftyreg_opt_parser.add_argument( | ||
"--affine-n-steps", | ||
dest="affine_n_steps", | ||
type=check_positive_int, | ||
default=6, | ||
help="Registration starts with further downsampled versions of the " | ||
"original data to optimize the global fit of the result and " | ||
"prevent 'getting stuck' in local minima of the similarity " | ||
"function. This parameter determines how many downsampling " | ||
"steps are being performed, with each step halving the data " | ||
"size along each dimension.", | ||
) | ||
niftyreg_opt_parser.add_argument( | ||
"--affine-use-n-steps", | ||
dest="affine_use_n_steps", | ||
type=check_positive_int, | ||
default=5, | ||
help=" Determines how many of the downsampling steps defined by " | ||
"-affine-n-steps will have their registration computed. " | ||
"The combination --affine-n-steps 3 --affine-use-n-steps 2 " | ||
"will e.g. calculate 3 downsampled steps, each of which is " | ||
"half the size of the previous one but only perform the " | ||
"registration on the 2 smallest resampling steps, skipping the " | ||
"full resolution data. Can be used to save time if running the " | ||
"full resolution doesn't result in noticeable improvements.", | ||
) | ||
niftyreg_opt_parser.add_argument( | ||
"--freeform-n-steps", | ||
dest="freeform_n_steps", | ||
type=check_positive_int, | ||
default=6, | ||
help=" Registration starts with further downsampled versions of the " | ||
"original data to optimize the global fit of the result and " | ||
"prevent 'getting stuck' in local minima of the similarity " | ||
"function. This parameter determines how many downsampling " | ||
"steps are being performed, with each step halving the data " | ||
"size along each dimension.", | ||
) | ||
niftyreg_opt_parser.add_argument( | ||
"--freeform-use-n-steps", | ||
dest="freeform_use_n_steps", | ||
type=check_positive_int, | ||
default=4, | ||
help="Determines how many of the downsampling steps defined by " | ||
"--freeform-n-steps will have their registration computed. " | ||
"The combination --freeform-n-steps 3 --freeform-use-n-steps " | ||
"2 will e.g. calculate 3 downsampled steps, each of which is " | ||
"half the size of the previous one but only perform the " | ||
"registration on the 2 smallest resampling steps, skipping the " | ||
"full resolution data. Can be used to save time if running the " | ||
"full resolution doesn't result in noticeable improvements.", | ||
) | ||
niftyreg_opt_parser.add_argument( | ||
"--bending-energy-weight", | ||
dest="bending_energy_weight", | ||
type=check_positive_float, | ||
default=0.95, | ||
help="Sets the bending energy, which is the coefficient of the " | ||
"penalty term, preventing the freeform registration from " | ||
"over-fitting. The range is between 0 and 1 (exclusive) " | ||
"with higher values leading to more restriction of the " | ||
"registration.", | ||
) | ||
niftyreg_opt_parser.add_argument( | ||
"--grid-spacing", | ||
dest="grid_spacing", | ||
type=int, | ||
default=-10, | ||
help="Sets the control point grid spacing in x, y & z. Positive " | ||
"values are interpreted as real values in mm, negative values " | ||
"are interpreted as the (positive) distances in voxels. Smaller " | ||
"grid spacing allows for more local deformations but increases " | ||
"the risk of over-fitting.", | ||
) | ||
niftyreg_opt_parser.add_argument( | ||
"--smoothing-sigma-reference", | ||
dest="smoothing_sigma_reference", | ||
type=float, | ||
default=-1.0, | ||
help="Adds a Gaussian smoothing to the reference (the one being " | ||
"registered to) image, with the sigma defined by the number. " | ||
"Positive values are interpreted as real values in mm, " | ||
"negative values are interpreted as distance in voxels.", | ||
) | ||
niftyreg_opt_parser.add_argument( | ||
"--smoothing-sigma-floating", | ||
dest="smoothing_sigma_floating", | ||
type=float, | ||
default=-1.0, | ||
help="Adds a Gaussian smoothing to the floating image (the one being " | ||
"registered), with the sigma defined by the number. Positive " | ||
"values are interpreted as real values in mm, negative values " | ||
"are interpreted as distance in voxels.", | ||
) | ||
niftyreg_opt_parser.add_argument( | ||
"--histogram-n-bins-floating", | ||
dest="histogram_n_bins_floating", | ||
type=check_positive_int, | ||
default=128, | ||
help="Number of bins used for the generation of the histograms used " | ||
"for the calculation of Normalized Mutual Information on " | ||
"the floating image.", | ||
) | ||
niftyreg_opt_parser.add_argument( | ||
"--histogram-n-bins-reference", | ||
dest="histogram_n_bins_reference", | ||
type=check_positive_int, | ||
default=128, | ||
help="Number of bins used for the generation of the histograms used " | ||
"for the calculation of Normalized Mutual Information on the " | ||
"reference image", | ||
) | ||
return parser |
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