Nii-Data

Since delira aims to provide dataloading tools for medical data (which is often stored in Nii-Files), the following classes and functions provide a basic way to load data from nii-files:

BaseLabelGenerator

class BaseLabelGenerator(fpath)

Bases: object

Base Class to load labels from json files

_load()

Private Helper function to load the file

Returns:loaded values from file Return type:Any

get_labels()

Abstractmethod to get labels from class

Raises:NotImplementedError – if not overwritten in subclass

load_sample_nii

load_sample_nii(files, label_load_cls)

Load sample from multiple ITK files

Parameters:

• files (dict with keys img and label) – filenames of nifti files and label file
• label_load_cls (class) – function to be used for label parsing

Returns:

sample: dict with keys data and label containing images and label

Return type:

dict

Raises:

AssertionError – if img.max() is greater than 511 or smaller than 1