Ecm Search - Omron FH-3 Series Reference Manual

ECM Search

This processing item searches the input image for parts having a high degree of similarity to the target mark
(model), and measures its correlation value (similarity) and position.
In a normal search, image pattern models are used that look at the color and light/dark information, but in an
ECM search, models are used that look at the profile information. Therefore, this processing assures a reliable
search even for low-contrast or noisy images.
Used in the Following Case
• To measure the location of a mark
Example) Searching LCD base boards for positioning marks
Registered as model
Can also be found with the following conditions.
Noise is excessive Portion is missing Contrast is low
Important
• 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.
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ECM Search

FH/FZ5 Processing Item Function Reference Manual