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, wherein to determine the second portion of the image associated with the label based at least in part on the first portion of the image associated with the special mark includes to search for the second portion of the image associated with the label in an area of the image near a location of 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.