Segmentation > E-M Threshold

Selects pixels as black if they are within a region in which neither of its pixel have fallen below a threshold pixel value distance from the nearest local maxima.

1. Connectivity

  • 8-pixel: Uses 8-pixel connectivity (face-based) to determine local minima as the basis for the E-M threshold
  • 4-pixel: Uses 4-pixel (face+corner-based) connectivity to determine local minima as the basis for the E-M threshold

2. Difference

Sets the difference threshold pixel intensities must be from the nearest local minima in order to grouped into that minima’s region

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