Automatic document reading system for technical drawings

Details Automatic document reading system for technical drawings Automatic document reading system for technical drawings

2006-02-07

2006-02-07

Patel, Kanjibhai (Department: 2625)

Image analysis

Image transformation or preprocessing

Image storage or retrieval

C382S113000, C707S793000

Reexamination Certificate

active

06996295

ABSTRACT:
A system and method for electronic archival of paper-based technical drawings includes a system having a processor, a form learning unit in signal communication with the processor for learning the form of a model drawing image, a form localization unit in signal communication with the processor for localizing the form of an input drawing image, an optical character recognition unit in signal communication with the processor for optically recognizing identification text of the input drawing image, and a result verification unit in signal communication with the processor for verifying the results of the recognized identification text of the input drawing image; and further includes a method for providing a model drawing image, learning the form of the provided model drawing image, receiving an input drawing image, localizing the form of the input drawing image, optically recognizing identification text of the input drawing image, verifying the results of the recognized identification text of the input drawing image, and storing the input drawing image and the corresponding verified identification text into a drawing database.

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patent: 6693635 (2004-02-01), Yokomizo
patent: 6707932 (2004-03-01), Chakraborty

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