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Region Features
| Icon | Name | Description |
|---|---|---|
 | RegionArea | Computes the number of pixels contained in a region. |
| RegionBoundingBox | Computes the smallest box containing the input region. |
| RegionBoundingCircle | Computes the smallest circle enclosing a region. |
| RegionBoundingRectangle | Computes the smallest rectangle containing a region. |
| RegionBoundingRectangle_FixedAngle | Computes the smallest rectangle with the given orientation angle containing a region. |
| RegionCircularity | Computes the area of a region divided by the area of a circular region having the same feature. |
| RegionContours | Computes an array of closed paths corresponding to the contours of the input region. |
| RegionConvexity | Computes the area of a region divided by area of its convex hull. |
| RegionDiameter | Computes the longest segment connecting two pixels contained in region and its length. |
| RegionEllipticAxes | Computes axes of an ellipse having the same first and second order moments as the given region. |
| RegionElongation | Computes the elongation factor of a region ( perfect circle has minimal elongation equal 1.0 ). |
| RegionHoles | Creates regions of the holes of the input region. |
| RegionInscribedBox | Computes the largest box contained in a region. |
| RegionMassCenter | Computes a point with coordinates equal to the average coordinates of the region's pixels. |
| RegionMedialAxis | Computes an array of paths corresponding to the skeleton of the input region. |
| RegionMoment | Computes selected second-order moment of a region in regular and normalized ( divided by region area ) variant. |
| RegionNumberOfHoles | Computes the number of holes in a region. |
| RegionOrientation | Computes the orientation of a region as an angle of value in range 0.0 - 180.0. |
| RegionPerimeterLength | Computes the length of the input region perimeter. |
| RegionPointRunLengths | Returns the lengths of horizontal sequences of locations that constitute the input region. |
| RegionProjection | Computes the profile of the region pixel count in consecutive rows or columns. |
| RegionRectangularity | Computes the area of a region divided by the area of its bounding rectangle. |
