Ecm Search - Omron F250-UME Software Manual

ECM Search

2-23 ECM Search
HELP
2-23-(1)
The Edge Code Model (ECM) Search processing item finds the section of the
input image that is closest to the mark to be found (model) and detects its cor-
relation (similarity) and position.
This processing item can perform stable searches even for low contrast
images or images with a lot of noise.
Example: Finding Positioning Marks on Liquid Crystal Substrate
Positioning mark found even in the following
conditions.
A lot of noise
Refer to
Positioning mark
Registered model
Chipped
for information on edge codes (EC).
Section 2-23
Low contrast