ResearchIndex Home H. Baird, Anatomy of a versatile page reader , Proceedings IEEE, vol.
Many techniques rely upon a priori information about the document layout.
A typical classification which is reported in the literature is between Manhattan and non Manhattan layouts. Anatomy of a Versatile Page Reader . The main drawback is that it is sensitive to the orientation of the image and thus a deskewing is required if the original image is tilted. These four techniques are, to our knowledge, representative of a large number of published methods. Their performance can be expected good if there is no touching between bounding boxes and digits.