Filtering
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FH/FZ5 Processing Item Function Reference Manual
Notes on Filtering Setting
If filtering is applied to the image, the area around the image frame will become unstable. When a [Filtering]
processing item has been set in the scene, ensure that measurement ranges, etc. set for other processing items
are not included in the area around the image frame.
The width not included in the measurement range w
ill vary
depending on the mask size settings.
• Filter size: 5 × 5
Make settings so that a width around the image frame equal to 2 pixels is not included in the
measurement range.
• Filter size: 3 × 3
Make settings so that a width around the image frame equal to 1 pixels is not included in the
measurement range.
When a partial scan is used to limit the load range
Set so as to not include the image loading range surroundings.
The width that will not be included in the measurement range is the same
as the above. (In the following figure,
filter size:5 × 5).
Background Suppression Level
The images below the lower limit and above the upper limit will be set to the lower and upper limits of brightness,
respectively.
Only images with a density of 100 to 220 can be measurement objects.
The Measurement region is set within the range
with 2-pixel width a part from borders in screen
(within the dotted line frame)
The 2-pixel area adjacent to the image frame
(the gray area) is not included in the
Measurement region.
The Measurement region is set within the range
with 1-pixel width a part from borders in screen
(within the dotted line frame)
The 1-pixel area adjacent to the image frame
(the gray area) is not included in the
Measurement region.
The Measurement region is set within the range
with 2-pixel width a part from borders in screen
(the dotted line)
The 2-pixel area adjacent to the image frame
(the gray area) is not included in the
measurement region.
Image read
Background
Measurement object
Background concentration
[Image after Background suppression]
Temperature of Measurement object
Lower limit: 100
Upper limit: 220
Example) lower limit: 100 upper limit: 220
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