Measurement Parameters (Edge Positions)

Measurement Parameters (Edge Position)

This item specifies the judgement condition for measurement results.Measurement parameter can be changed as needed to address unstable measurement results.

In the Item Tab area, tap [Measurement].
The edge profile of the measurement region is displayed as a graph in the Image Display area.
Note
- When the region is a circumference or arc, you can display the graph enlarged in the vertical direction.Place a check at "Zoom" and tap the button to adjust.

If necessary, specify a value for each item in the "Measurement condition" area.

For color cameras:

Measurement - "Measurement condition" area

Setting item	Set value [factory default]	Description
Edge No.	0 to 99 [0]	Specify the edge number used to extract edges. Edge numbers are assigned to detected edges starting from 0 and going on in the direction from the start point (the arrow point) to the end point (the direction of arrow) in the selected area.
Edge level	Position (%) for width of a color 0 to 100 [50] Value of color 0 to 442 [20]	Select a color difference level with which the edge is detected. See "User's Manual", "Edge Detection Measurement"
Edge color level	0 to 442 [100]	This emphasis level can be specified only if the edge color to detect is specified.

For monochrome cameras:

Setting item	Set value [factory default]	Description
Density change	[Light→Dark] Dark→Light	Select whether a black-to-white change or a white-to-black change should be recognized as a density change in the specified region.
Measure type	[Projection] Derivation	As the measurement type, specify either projection or derivation.
Edge No.	0 to 99 [0]	Specify the edge number used to extract edges. Edge numbers are assigned to detected edges starting from 0 and going on in the direction from the start point (the arrow point) to the end point (the direction of arrow) in the selected area.
Edge level	Position (%) for width of a density 0 to 100 [50] Value of density 0 to 255 [20]	Select the density change level to be detected as edges. See "User's Manual", "Edge Detection Measurement"

If necessary, set each item in the "Noise removal" area.

Setting item	Set value [factory default]	Description
Noise level	For color cameras: 0 to 442 [5] For monochrome cameras: 0 to 255 [5]	When edges are incorrectly detected due to noise, increase this value. See "User's Manual", "Noise level"
Noise width	0 to 9999 [0]	Set the width for judging noise. When detection is affected by noise, increase this value. See "User's Manual", "Noise width"

When the setting has been changed, tap [Measurement] in the Detail area to verify whether measurements can be made correctly.

Set up the judgement condition.

Measurement - "Judgement condition" area

Note

The values beside each item are measurement results of the displayed image.Take these values into consideration to determine the upper and lower limits.

Setting item	Set value	Description
Edge position X	-99999.9999 to 99999.9999	Specify the range of X-axis shifting that is judged to be OK.
Edge position Y	-99999.9999 to 99999.9999	Specify the range of Y-axis shifting that is judged to be OK.