medpy.filter.label.relabel_map

medpy.filter.label.relabel_map(label_image, mapping, key=<function <lambda>>)

Relabel an image using the supplied mapping.

The mapping can be any kind of subscriptable object. The respective region id is used to access the new value from the mapping. The key keyword parameter can be used to supply another access function. The key function must have the signature key(mapping, region-id) and return the new region-id to assign.

Parameters:

label_imagearray_like

A nD label map.

mappingdictionary or subscriptable object

A mapping object.

keyfunction

Can be used to defined the key-access to the mapping object.

Returns:

relabel_mapndarray

A label map with new region ids.

Raises:

ArgumentError

If a region id is missing in the supplied mapping