1. A system, comprising: one or more processors configured to: obtain an image; determine a first portion of the image associated with a special mark; determine a second portion of the image associated with a label based at least in part on the first portion of the image associated with the special mark; and apply character recognition to the second portion of the image associated with the label to determine a value associated with the label; and one or more memories coupled to the one or more processors and configured to provide the one or more processors with instructions.