Package org.anchoranalysis.image.core.object.label

Class DecodeLabels<T>

Object

DecodeLabels<T>

Type Parameters:

T - element-type (an object-mask, or some class containing an object-mask).

public class DecodeLabels<T>
extends Object

Decodes a labelled raster into derived objects or object-like elements.

Author:

Owen Feehan

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	DecodeLabels.CreateElementFromScaledObject<T>	Creates an element from the scaled-object and its index.

Constructor Summary

Constructors

Constructor	Description
DecodeLabels(Voxels<?> voxels, int minLabelInclusive, int maxLabelInclusive, DecodeLabels.CreateElementFromScaledObject<T> createScaledElement)	Creates a new DecodeLabels instance.

Method Summary

Modifier and Type	Method	Description
List<T>	create(int smallVolumeThreshold)	Creates a list of elements from voxels that are labelled with unique integers (sequentially increasing).
Map<T,T>	create(Map<Integer,T> labelMap, UnaryOperator<T> operationAfterScaling)	Creates a map of elements to other elements that are labelled with unique integers (sequentially increasing) in voxels.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

DecodeLabels

public DecodeLabels(Voxels<?> voxels,
 int minLabelInclusive,
 int maxLabelInclusive,
 DecodeLabels.CreateElementFromScaledObject<T> createScaledElement)

Creates a new DecodeLabels instance.

Parameters:

voxels - Voxels each labelled with an integer (sequentially increasing from 1) to represent an object.

minLabelInclusive - Minimum label-value inclusive.

maxLabelInclusive - Maximum label-value inclusive.

createScaledElement - Create scaled element from a scaled-object and corresponding index.

Method Details

create

public Map<T,T> create(Map<Integer,T> labelMap,
 UnaryOperator<T> operationAfterScaling)
                throws CreateException

Creates a map of elements to other elements that are labelled with unique integers (sequentially increasing) in voxels.

Parameters:

labelMap - a map from a label to what becomes the key in the output map (each label should map to a unique key).

operationAfterScaling - an operation to apply after labelling, but before the element is placed in the map.

Returns:

a map constructed key from labelMap and value as the element is derived from the label - for each label.

Throws:

CreateException - if bounding-boxes cannot be derived.

create

public List<T> create(int smallVolumeThreshold)
               throws CreateException

Creates a list of elements from voxels that are labelled with unique integers (sequentially increasing).

Parameters:

smallVolumeThreshold - minimum volume of bounding-box otherwise a label is ignored.

Returns:

a list of respective elements, one for each label.

Throws:

CreateException - if bounding-boxes cannot be derived.