defaults

defaults ¶

Default parameter values for each modality.

This module provides default acquisition parameters when values cannot be extracted from DICOM or BIDS sources.

References

OSIPI White Papers for recommended parameter ranges Alsop DC et al. (2015). Recommended implementation of ASL. MRM.

get_default_params(modality)

Get default parameters for a modality.

PARAMETER	DESCRIPTION
`modality`	Perfusion imaging modality. TYPE: `Modality`

RETURNS	DESCRIPTION
`dict[str, Any]`	Dictionary of default parameter values.

Examples:

>>> from osipy.common.types import Modality
>>> defaults = get_default_params(Modality.ASL)
>>> print(defaults["post_labeling_delay"])
1800.0

get_default_value(modality, param_name)

Get a single default parameter value.

PARAMETER	DESCRIPTION
`modality`	Perfusion imaging modality. TYPE: `Modality`
`param_name`	Parameter name. TYPE: `str`

RETURNS	DESCRIPTION
`Any`	Default value, or None if not defined.

Examples:

>>> from osipy.common.types import Modality
>>> pld = get_default_value(Modality.ASL, "post_labeling_delay")
>>> print(pld)
1800.0