18. The method of claim 16 , further comprising: identifying a document type associated with the image data; and classifying the segment of interest based on the document type.
19. The method of claim 18 , where classifying the segment of interest based on the document type comprises: determining that a first location of the segment of interest matches a second location of a document segment identified in data associated with the document type; and classifying, based on determining that the first location matches the second location, the segment of interest as being in a first class that matches a second class associated with the document segment.