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