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Image Settings; Gray Scale Processing (Pixel Contraction And Detection Precision) - Sharp IV-S30 User Manual

Compact image sensor camera function and operation
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[3] Image settings

What follows is a description of how to use the image settings to control the measuring program.

(1) Gray scale processing (pixel contraction and detection precision)

Ë Ë Ë Ë Ë Settings menu screen
[MEAS COND]
1DTECT PRECISION
Menu
1DTECT
PRECISION
(detection
precision)
7eCONTR.
PIXL
(Grey serch
scale conditions)
- To increase the speed of your search, you must take into account the settings listed
below.
1. When using the high precision setting, a smaller image should be used.
2. Reduce the size of the scanned image.
3. After considering what the maximum out of position dimension would be, make the
search area as small as possible.
4. If the size of the object is larger than 8 pixels then set the pixel contraction to "3".
Ë Ë Ë Ë Ë Measurement programs which are affected by these settings
Positional deviation measurement (gray scale search), degree of match inspection, lead inspection,
multiple position measurement, and multiple degree of match inspection.
STANDARD HIGH
Description
- STANDARD (standard): Detection precision of 1 pixel unit
- HIGH (High precision): Detection precision of 1/10 pixel
0
1
2
3
1
2
Reference image
3
4
5
6
(Standard)
Search coordinates
7
use a 1 pixel level
8
of precision
9
Degree of
match
High precision
Camera image
pixel detection
Point of detection
Pixel
- 1: Search the scanned image in groups of 2 pixels.
- 2: Search the scanned image in groups of 4 pixels.
- 3: Search the scanned image in groups of 8 pixels.
3-7
Setting the Conditions for Each Object Type
- Gray scale search conditions
7CONTR. PIXL(MDL0)
eCONTR. PIXL(MDL1)
level
unit level
(High precision)
Search coordinates use a
sub-pixel level of precision (1/10)
4
5
6
7
8
9
Degree of
match
Standard pixel
detection
Point of detection
3
1 2 3
1 2 3

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