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===Class subdivision and labelling===
In order to build a dataset for training a ML model for a classification application, a set of classes has to be defined. By looking at the standard IPC-A-610E-2010 developed by IPC for the Acceptability of Electronic Assemblies, and at the features of collected images, the classes identified are the following ones:
===Soldering regions extraction===
|[[File:Missing upper lower 256x256.png|thumb|350x350px|256 × 256 resolution ''upper'' and ''lower'' region images]]
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{| style="background:transparent; color:black" border="0" align="center" cellpadding="10px" cellspacing="0px" height="550" valign="bottom"
|[[File:Tombstoning upper lower 256x256.png|thumb|350x350px|256 × 256 resolution ''upper'' and ''lower'' region images]]
|}
==Useful links==
