public class SoFragmentationIndexQuantification extends SoImageVizEngine
SoFragmentationIndexQuantificationengine computes an index of relative convexity or concavity of the surface.
For an introduction, see section Morphometry.
This engine computes an indicator of connectivity. It calculates an index of relative convexity or concavity of the surface. This index can be interpreted in mater of connectivity taken into account that concavity indicates connectivity, and that convexity indicates isolated disconnected structures.
The fragmentation index is calculated plane by plane for a 2D image by comparing area and perimeter (or volume and surface, respectively for a 3D image) of binarised image before and after an image dilation. It is defined :
Where and are respectively a perimeter and an area. The subscript and means for before and after dilation.
Dilation of an highly connected area will narrow spaces and then produce a smaller perimeter. On the other hand, open ends or nodes will have their perimeter expanded by surface dilation. As a result, lower fragmentation index signifies better connected area while higher fragmentation index means a more disconnected structure. In some case, high ratio of enclosed cavities and concave surfaces can result in fragmentation index to negative values.
Library references: fragmentation
|Modifier and Type||Class and Description|
Results details of fragmentation global measure.
SoImageVizEngine.ComputeModes, SoImageVizEngine.EventArg, SoImageVizEngine.Neighborhood3ds
|Modifier and Type||Field and Description|
Select the compute Mode (2D or 3D or AUTO) .
The half size of the structuring element.
The input binary image.
The output measure result.
CONNECTIVITY_18, CONNECTIVITY_26, CONNECTIVITY_6, MODE_2D, MODE_3D, MODE_AUTO, onBegin, onEnd, onProgress
|Constructor and Description|
abortEvaluate, isEvaluating, startEvaluate, waitEvaluate
copy, getByName, getOutput, getOutputName
copyFieldValues, copyFieldValues, enableNotify, fieldsAreEqual, get, getAllFields, getEventIn, getEventOut, getField, getFieldName, hasDefaultValues, isNotifyEnabled, set, setToDefaults
dispose, getEXTERNPROTO, getName, getPROTO, isDisposable, isSynchronizable, setName, setSynchronizable, touch
getAddress, getNativeResourceHandle, startInternalThreads, stopInternalThreads
public final SoSFEnum<SoImageVizEngine.ComputeModes> computeMode
public final SoSFImageDataAdapter inBinaryImage
public final SoSFInt32 elementSize
public final SoImageVizEngineAnalysisOutput<SoFragmentationIndexQuantification.SbFragmentationDetail> outResult
Generated on January 29, 2020, Copyright © Thermo Fisher Scientific. All rights reserved. http://www.openinventor.com