 inherit from <code>PoseBase</code> or <code>PoseBaseGeneral</code> classes. These classes define all the training data-loading, model saving and loading to appropriate locations and other procecures and the user has to define only the networks and maybe the training procedures.
 
<p> APT front end (GUI) interacts with APT backend (DL algorithms) through <code>APT_interface.py</code>. During training when user selects <i>mynet</i> as the network to use, <code>APT_interface.py</code> creates the training dat