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Optical character recognition (OCR) is the most prominent and
successful example of pattern recognition to date. There are
thousands of research papers and dozens of OCR products. Optical
Character Rcognition: An Illustrated Guide to the Frontier offers a
perspective on the performance of current OCR systems by
illustrating and explaining actual OCR errors. The pictures and
analysis provide insight into the strengths and weaknesses of
current OCR systems, and a road map to future progress. Optical
Character Recognition: An Illustrated Guide to the Frontier will
pique the interest of users and developers of OCR products and
desktop scanners, as well as teachers and students of pattern
recognition, artificial intelligence, and information retrieval.
The first chapter compares the character recognition abilities of
humans and computers. The next four chapters present 280
illustrated examples of recognition errors, in a taxonomy
consisting of Imaging Defects, Similar Symbols, Punctuation, and
Typography. These examples were drawn from large-scale tests
conducted by the authors. The final chapter discusses possible
approaches for improving the accuracy of today's systems, and is
followed by an annotated bibliography. Optical Character
Recognition: An Illustrated Guide to the Frontier is suitable as a
secondary text for a graduate level course on pattern recognition,
artificial intelligence, and information retrieval, and as a
reference for researchers and practitioners in industry.
Optical character recognition (OCR) is the most prominent and
successful example of pattern recognition to date. There are
thousands of research papers and dozens of OCR products. Optical
Character Rcognition: An Illustrated Guide to the Frontier offers a
perspective on the performance of current OCR systems by
illustrating and explaining actual OCR errors. The pictures and
analysis provide insight into the strengths and weaknesses of
current OCR systems, and a road map to future progress. Optical
Character Recognition: An Illustrated Guide to the Frontier will
pique the interest of users and developers of OCR products and
desktop scanners, as well as teachers and students of pattern
recognition, artificial intelligence, and information retrieval.
The first chapter compares the character recognition abilities of
humans and computers. The next four chapters present 280
illustrated examples of recognition errors, in a taxonomy
consisting of Imaging Defects, Similar Symbols, Punctuation, and
Typography. These examples were drawn from large-scale tests
conducted by the authors. The final chapter discusses possible
approaches for improving the accuracy of today's systems, and is
followed by an annotated bibliography. Optical Character
Recognition: An Illustrated Guide to the Frontier is suitable as a
secondary text for a graduate level course on pattern recognition,
artificial intelligence, and information retrieval, and as a
reference for researchers and practitioners in industry.
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