Contrast result – Epson 5 User Manual

Page 52

Contrast Result

Applies To

Vision Objects: Edge

Description

Returns the contrast of the found Edge.

Usage

VGet Sequence.Object.Contrast, var

Sequence Name of a sequence or string variable containing a sequence name.

Object

Name of an object or string variable containing an object name. The object must exist in the
specified sequence.

var

Real variable that will contain the value of the result.

Values

Real number from 0 - 255

Remarks

Contrast is the difference in grayscale values between an edge and its background. Contrast can help find
weaker edges. First, find the edge you want to search for and record the contrast value. Next, set the
ContrastTarget property to this value. Then set the ScoreWeightContrast to a higher value that
ScoreWeightStrength. This tells the Edge object to look for an edge with the desired contrast and base the
score on it.