Methodologies for using UW databases for OCR and image-understanding systems
Ihsin T. Phillips · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 1998
This paper discusses methodologies for automatically selecting document pages and zones form the UW databases, having the desired page/zone attributes. The selected pages can then be randomly partitioned into subsets for training and testing purposes. This paper also discusses three degradation methodologies that allow the developers of OCR and document recognition systems to create unlimited 'real- life' degraded images - with geometric distortions, coffee stains and water marks. Since the degraded images are created from the images in the UW databases, the nearly perfect original groundtruth files in the UW databases can be reused. The process of creating the additional document images, the associated groundtruth and attribute files require only a fraction of the original cost and time.