Threshold Property

From NI Vision for Visual Basic

Threshold Property

Syntax

CWMVCountAndMeasureObjectsOptions.Threshold

Data Type

Single

Purpose

Grayscale intensity that is used as the threshold level. The default is 128.

Remarks

When a Bright Objects type is selected, the threshold range used includes Threshold to the maximum possible intensity, depending on the image type (255 for a 8-bit image). When a Dark Objects type is selected, the threshold range used includes the minimum possible intensity, depending on the image type (0 for a 8-bit image) up to Threshold.