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Advanced

Emphasizing gradients - Activate Sobel-filter to work on a differentiated image

Morphology - Erode (remove) or dilate (add) the found blob area

  • Example: e2d2 - erodes two pixel before dilating 2 pixels

Area Search

  • Minimum threshold - minimum accepted intensity value
  • Maximum threshold - maximum accepted intensity value

- will activate a tool parameter browser.

Note: Minimum and maximum threshold can be linked to a result in another tool - Very often a percentile value from the Intensity Tool

  • Smooth factor - smoothes the contour - used to correct the result contour length and to measure circularity

Rotation of child reference

  • Rotate child reference system - tools connected to this tool will reflect the angle of the major blob

Sort Results by

  • Contour Area - default sort results by Countour Area

    • Ascending
       

  • Strictly by X position

  • Strictly by Y position

  • Grid X then Y position

  • Grid Y then X position

    • Ascending X

    • Ascending Y

    • Distance Treshold for grid - used to cluster positions into row and columns

Hole filter

  • Ingore holes smaller than

  • Ignore holes larger than

Status

  • Tool fails if nothing is found - if checked, the tool returns status 3 (fail) if no blobs are found. Other tools linked to the Blob4 tool will then not be run.

 

Scorpion Vision Version XII : Build 646 - Date: 20170225
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