I'm trying to extract key value pairs from passport using oci vision documentAI service. default model is not extracting key value pairs. it seems there is an option train custom model. Though, I'm not able to see how it can be done for Key-value extraction.
I'm looking for extracting key value pairs from passport, like
If there is a possiblity of transfer learning, i'm open to that as well
Note: I need to achieve this using oci-vision, not any open-source service