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Omron fh-3 series - Polar Transformation; Region Setting (Polar Transformation)

Omron fh-3 series
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Polar Transformation
540
FH/FZ5 Processing Item Function Reference Manual
Polar Transformation
Wide circle and fan shape images are transformed in polar coordinates and converted into orthogonal
coordinate images. The converted image is a measurement object for processing units in later stages.
Used in the Following Case
This is used for judging characters printed around the circumference of caps and the like.
Region Setting (Polar Transformation)
Set a region enclosing the character string that is lined up along a circle. Polar Transformation's Region setting
includes Circumference and Wide arc selections.
1 Use the Drawing tools to specify the measurement region.
2 Enclose the characters in the image.
3 Click [OK] in the Figure setting area.
[OK]: Changes the settings and returns to the previous menu.
[Cancel]: Changes are discarded. R
eturns to the previous menu.
[Apply]: Updates the settings without leaving edit window.
The measurement region is registered and displayed in the Image Display area.
When using polar transformation and a position list, display with [Polar Transformation].
If the image is displayed with [Camera Image Inpu
t] or the like before the [Polar Transformation], the graphic is not
displayed correctly.
Polar Transformation is always performed in a cl
ockwise dire
ction regardless of Region settings.
Processing is different for color images and monochrome images. If
the camera type, color camera, or monochrome
camera, was changed from a previous setup, a reset of some settings may be needed.
Example) Label layout
ABCDE
A
B
C
D
E
Important

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