# Shape Filter

Shape Smoothing Plugin (ImageJ/Fiji) | |
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Author | Thorsten Wagner |

Maintainer | Thorsten Wagner (wagner@biomedical-imaging.de) |

File | Shape_Smoothing.jar [1] |

Source | Github [2] |

Latest version | v1.2.1 (16 Jul 2015) |

Development status | active |

## General Description

The ImageJ Shape Filter Plugin uses the [ij-blob] library to filter objects in binary scenes by its shape.

# Shape Features

- Area (A): The area enclosed by the outer contour of an object.
- Area Convex Hull (C): The area enclosed by the convex hull of the outer contour of an object.
- Perimeter: The perimeter of the outer contour of an object.
- Perimeter Convex Hull: The perimeter of the convex hull of the particle.
- Feret Diameter: The maximum distance between the two parallel tangents touching the particle outline in all directions.
- Min. Feret Diameter: the minimum distance between the two parallel tangents touching the particle outline in all directions.
- Long Side Minimum Bounding Rectangle: The larger side of the minimum bounding rectangle.
- Short Side Minimum Bounding Rectangle: The smaller side of the minimum bounding rectangle.
- Aspect Ratio: Defined as
- Area to Perimeter Ratio: Defined as
- Circularity:
- Elongation:
- Convexity:
- Solidity:
- Number of Holes:
- Thinnes Ratio:
- Contour Temperatur:
- Fractal Box Dimension: