8.61. Local Threshold

8.61.1. Ενεργοποίηση του φίλτρου

This filter is found in the main menu under ColorsLocal Threshold….

8.61.2. Επιλογές

Σχήμα 16.233. «Local Threshold» filter options

«Local Threshold» filter options

Προεπιλογές, Τύπος εισόδου, Περικοπή, Επιλογές ανάμειξης, Προεπισκόπηση, Merge filter, Διαίρεση προβολής
[Σημείωση] Σημείωση

These options are described in Τμήμα 8.1.2, «Κοινά γνωρίσματα χρωμάτων».

Radius

Standard deviation of gaussian neighborhood average for computing local contrast. If 0 is used a global threshold is used instead of one based on local contrast.

Antialiasing

This sets a rough target of levels of accuracy for anti-aliasing, or set to 1 to disable anti-aliasing.

Threshold level

Thresholding level consists of two values. Change the lower threshold towards 0 to minimize shadows or towards 1.0 to minimize highlights. The high threshold decides the maximum values to include, above this it gets set to 0.