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Region Features
Select a filter from the list below.
| Icon | Name | Description / Applications | Modules | |
|---|---|---|---|---|
 |
RegionArea | 
|
Computes the number of pixels contained in a region. |
FoundationLite |
|
RegionBoundingBox |
|
Computes the smallest box containing a region. |
FoundationLite |
|
RegionBoundingBox_OrNil |
|
Computes the smallest box containing a region; returns NIL if the region is empty. |
FoundationLite |
|
RegionBoundingCircle |
|
Computes the smallest circle enclosing a region. |
FoundationBasic |
|
RegionBoundingCircle_OrNil |
|
Computes the smallest circle enclosing a region; returns NIL if the region is empty. |
FoundationBasic |
|
RegionBoundingEllipse |
|
Computes the smallest ellipse enclosing a region. |
FoundationBasic |
|
RegionBoundingEllipse_OrNil |
|
Computes the smallest ellipse enclosing a region; returns NIL if the region is empty. |
FoundationBasic |
|
RegionBoundingParallelogram | 
|
Computes the smallest parallelogram containing a region. |
FoundationPro |
|
RegionBoundingRectangle |
|
Computes the smallest rectangle containing a region. |
FoundationBasic |
|
RegionBoundingRectangle_FixedAngle |
|
Computes the smallest rectangle with the given orientation angle containing a region. |
FoundationBasic |
|
RegionBoundingRectangle_FixedAngle_OrNil |
|
Computes the smallest rectangle with the given orientation angle containing a region; returns NIL if the region is empty. |
FoundationBasic |
|
RegionBoundingRectangle_OrNil |
|
Computes the smallest rectangle containing a region; returns NIL if the region is empty. |
FoundationBasic |
|
RegionCaliperDiameter |
|
Computes the longest and the shortest width of the input region measured as distance between parallel lines containing the whole region. |
FoundationBasic |
|
RegionCircularity |
|
Computes the area of a region divided by the area of a circular region having the same feature. |
FoundationBasic |
|
RegionComplexity |
|
Calculates how much the input region's perimeter is bigger than the perimeter of a circle of the same area. |
FoundationBasic |
|
RegionContours |
|
Computes an array of closed paths corresponding to the contours of the input region. |
FoundationBasic |
|
RegionConvexity |
|
Computes the area of a region divided by area of its convex hull. |
FoundationBasic |
|
RegionDiameter |
|
Computes the longest segment connecting two pixels contained in region and its length. |
FoundationBasic |
|
RegionDirectionalDispersion |
|
Directional standard deviation of the distance of the region's points to the center. |
FoundationBasic |
|
RegionDispersion |
|
Calculates how much more the input region's points are dispersed comparing to the points of a circle of the same area. |
FoundationBasic |
|
RegionEllipticAxes |
|
Computes axes of an ellipse having the same first and second order moments as the given region. |
FoundationBasic |
|
RegionElongation |
|
Computes the elongation factor of a region ( perfect circle has minimal elongation equal 1.0 ). |
FoundationBasic |
|
RegionFeatureValue |
|
Computes the feature value of the input region. |
FoundationBasic |
|
RegionHoles |
|
Creates regions of the holes of the input region. |
FoundationBasic |
|
RegionHoles_Elastic | 
|
Fills a ridges region with convex basins. |
FoundationBasic |
|
RegionInscribedBox |
|
Computes the largest box contained in a region. |
FoundationBasic |
|
RegionInscribedCircle |
|
Computes the largest circle contained in a region. |
FoundationBasic |
|
RegionMassCenter |
|
Computes a point with coordinates equal to the average coordinates of the region's pixels. |
FoundationLite |
|
RegionMassCenter_OrNil |
|
Computes a point with coordinates equal to the average coordinates of the region's pixels; returns NIL if the region is empty. |
FoundationLite |
|
RegionMedialAxis |
|
Computes an array of paths corresponding to the skeleton of the input region. |
FoundationBasic |
|
RegionMoment |
|
Computes selected second-order moment of a region in regular and normalized ( divided by region area ) variant. |
FoundationBasic |
|
RegionNumberOfHoles |
|
Computes the number of holes in a region. |
FoundationBasic |
|
RegionOrientation |
|
Computes the orientation of a region as an angle of value in a proper range. |
FoundationBasic |
|
RegionPerimeterLength |
|
Computes the length of the input region perimeter. |
FoundationBasic |
|
RegionPointRunLengths |
|
Returns the lengths of horizontal sequences of locations that constitute the input region. |
FoundationBasic |
|
RegionProjection |
|
Computes the profile of the region pixel count in consecutive rows or columns. |
FoundationBasic |
|
RegionRectangularity |
|
Computes the area of a region divided by the area of its bounding rectangle. |
FoundationBasic |
|
RegionsFeatureValues |
|
Computes the feature values of the input regions. |
FoundationBasic |
|
RegionSkewness |
|
Directional standard deviation of the distance of the region's points to the center. |
FoundationBasic |
|
RegionThickness |
|
Diameter of the biggest inscribed circle. |
FoundationBasic |
