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Fast Filters 3D

This plugin is a TANGO adaptation of the 3D Fast Filters plugin for ImageJ. It performs 3D filtering in a multithreaded way (use of multiple CPUs) and allows different radii in XY direction and Z. The different available filters are :

  • Mean, the average value in the neighborhood.
  • Median, the median value in the neighborhood.
  • Minimum, the minimum value in the neighborhood, can be used as a erosion for morphological filtering with white objects.
  • Maximum, the maximum value in the neighborhood, can be used as a dilatation for morphological filtering (with white objects).
  • Local maxima, detects the pixels that are maxima in the neighborhood, can be used as seeds for segmentation.
  • TopHat, performs a tophat filtering TH=image-opened(image), permits to detect bright spots by suppressing local background.
  • Variance, the variance value in the neighborhood, can be used as edge detection.
  • Sobel, a edge detection filter.
  • Adaptive filtering, a 3D version of Nagao filter. 6 areas are defined (left, right, up, down, front, back), takes the mean of the area that has the smallest variation.