Setting Preprocess - Panasonic PV500 User Manual

4.6.2 Setting Preprocess

In PV500, up to five sets of preprocess (A to E) can be registered per type and camera. The sets of preprocess
A-E are preprocess groups. Up to 10 steps of filters can be set for a preprocess group. PV500 also has a
function to temporarily disable a part of the specified 10 steps. (from Ver.2.0)
Which preprocess group (A to E) is applied is set in the checker setting window. Preprocess can be modified
also in setting window of a checker.
1.
Select "INSPECTION" > "Preprocess" from the menu bar.
Preprocess group selecting window is displayed.
2.
Select a camera image to set preprocess from "Camera".
The camera image selected in "Camera" is displayed.
3.
Select a preprocess group to set from "Preprocess".
The current setting of the preprocess group is displayed.
4.
Select "1ST".
The screen of preprocess setting is displayed.
5.
Select "Filter Type" and specify the desired filter from 21 types
grouped into 6 categories.
The image is updated to be an image applied the specified filter.
The image before applying preprocess can be confirmed in the
window navigator area (pointed by the arrow in the right figure).
Direction is to apply the selected preprocess and the options are X, Y,
and X/Y.
Two luminance graphs showing the gray level distribution are displayed in the lower part of the Preprocess
"Input" shows the gray level distribution before applying Preprocess, and "Output" shows
setting window.
the one after applying Preprocess.
The magnification of the vertical axis of these graphs can be changed. Increasing magnification displays
gray levels that are difficult to see at 1-fold magnification, and enables them to be checked.
Press the FUNC key and select "Luminance Graph Magnification" from the pop-up menu to specify
magnification. It can be specify in a range of 1 to 1024.
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