[Image Analysis]

The Individual Measures category contains analysis engines applying a measurement on each label of the input image. More...

## Classes | |

class | SoFilterAnalysisQuantification |

SoFilterAnalysisQuantification engine removes from the input label analysis labels whose measure does not fulfill a filter formula. More... | |

class | SoFilterByMeasureProcessing |

SoFilterByMeasureProcessing engine allows filtering objects given a target measure and a filter criterion. More... | |

class | SoLabelAnalysisQuantification |

SoLabelAnalysisQuantification engine performs measurements on objects from a label image. More... | |

class | SoLabelFilteringAnalysisQuantification |

SoLabelFilteringAnalysisQuantification engine computes measurements on objects from a label image and filters the result according to a given formula. More... | |

class | SoLabelFilteringProcessing |

SoLabelFilteringProcessing engine filters objects from a label image according to a given formula. More... | |

class | SoMeasureImageProcessing |

SoMeasureImageProcessing engine allows to replace all labels of the input image by the result of an individual measure. More... | |

class | SoSieveLabelingProcessing |

SoSieveLabelingProcessing engine produces a new label image by grouping labels of the input label image. More... |

The Individual Measures category contains analysis engines applying a measurement on each label of the input image.

For an introduction, see section Image Analysis

Most of these engines have a field to set one or several input measurements.

- Object filtering allows removing or keeping shapes from a binary or label image according to measurement criteria. Some engines need a formula to define the filter to apply.

- Following engines filter an image with criteria defined in a formula:
- + - / * ** : The basic mathematical operators (addition, subtraction, division, multiplication, power)
- ! : Unary negation
- < > <= >= != == : Comparison operators less, greater, less or equal, greater or equal, not equal and equal
- && || and or : Logical operators and, or, and and or
- Moreover an element of a distribution can be accessed by the operator []
- FeretInputX[2] : The third element of the distribution FeretInputX

The formula syntax accepts the following list of available mathematical and logical operators:

e.g., : To define a filter the equivalent diameter measurement for an analysis:

labelFilter->inFilter = SoDataMeasurePredefined::getName(SoDataMeasurePredefined::EQUIVALENT_DIAMETER_2D) + "< 50"

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