Difference between revisions of "Shape Filter"
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= Shape Features = | = Shape Features = | ||
− | * Area (<math>A</math>): The area enclosed by the outer contour of an object. | + | * '''Area''' (<math>A</math>): The area enclosed by the outer contour of an object. |
− | * Area Convex Hull (<math>C</math>): The area enclosed by the convex hull of the outer contour of an object. | + | * '''Area Convex Hull''' (<math>C</math>): The area enclosed by the convex hull of the outer contour of an object. |
− | * Perimeter (<math>P</math>): The perimeter of the outer contour of an object. | + | * '''Perimeter''' (<math>P</math>): The perimeter of the outer contour of an object. |
− | * Perimeter Convex Hull (<math>H</math>): The perimeter of the convex hull of the particle. | + | * '''Perimeter Convex Hull''' (<math>H</math>): 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. | + | * '''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. | + | * '''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. | + | * '''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. | + | * '''Short Side Minimum Bounding Rectangle''': The smaller side of the minimum bounding rectangle. |
− | * Aspect Ratio: Defined as <math>L/S</math> | + | * '''Aspect Ratio''': Defined as <math>L/S</math> |
− | * Area to Perimeter Ratio: Defined as <math>A/P</math> | + | * '''Area to Perimeter Ratio''': Defined as <math>A/P</math> |
− | * Circularity: Defined as <math>P^{2}/A</math> | + | * '''Circularity''': Defined as <math>P^{2}/A</math> |
− | * Elongation: Defined as <math>1 - S/L</math> | + | * '''Elongation''': Defined as <math>1 - S/L</math> |
− | * Convexity: Defined as <math>H/P</math> | + | * '''Convexity''': Defined as <math>H/P</math> |
− | * Solidity: Defined as <math>A/C</math> | + | * '''Solidity''': Defined as <math>A/C</math> |
− | * Number of Holes: The number of holes inside an object. | + | * '''Number of Holes''': The number of holes inside an object. |
− | * Thinnes Ratio: Inverse proportional to the circularity. Furthermore it normed. It is defined as <math>4\pi A/P^{2}</math> | + | * '''Thinnes Ratio''': Inverse proportional to the circularity. Furthermore it normed. It is defined as <math>4\pi A/P^{2}</math> |
− | * Contour Temperatur: It has a strong relationship to the fractal dimension, defined as <math>\left(log_{2}\left(\frac{2P}{P-H}\right)\right)^{-1}</math> | + | * '''Contour Temperatur''': It has a strong relationship to the fractal dimension, defined as <math>\left(log_{2}\left(\frac{2P}{P-H}\right)\right)^{-1}</math> |
− | * | + | * F'''ractal Box Dimension''': Estimated fractal dimension by the box count algorithm. The default box-sizes are “2,3,4,6,8,12,16,32,64”. |
Revision as of 09:41, 15 July 2015
Shape Filter 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 (): The area enclosed by the outer contour of an object.
- Area Convex Hull (): 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: Defined as
- Elongation: Defined as
- Convexity: Defined as
- Solidity: Defined as
- Number of Holes: The number of holes inside an object.
- Thinnes Ratio: Inverse proportional to the circularity. Furthermore it normed. It is defined as
- Contour Temperatur: It has a strong relationship to the fractal dimension, defined as
- Fractal Box Dimension: Estimated fractal dimension by the box count algorithm. The default box-sizes are “2,3,4,6,8,12,16,32,64”.