Image analysis – Applications – Reading maps – graphs – drawings – or schematics
Patent
1995-05-22
1998-06-02
Boudreau, Leo
Image analysis
Applications
Reading maps, graphs, drawings, or schematics
382198, 395763, G06K 900
Patent
active
057613281
ABSTRACT:
The computer automated system and method of converting an image file of a scanned source document, bearing alphanumeric text relating to the lengths and directions of the bounding lines of an area surveyed, into a mathematically accurate vector computer drawing file based on that alphanumeric text. The digitized image file is imported into an existing CAD system having a COGO subroutine and using an OCR operating within the CAD system. The alphanumeric text relating to the lengths and directions of the bounding lines of an area surveyed is recognized by the OCR and then converted by the COGO subroutine into mathematically accurate vectors which can be used for producing accurate drawings. The recognition and conversion steps are such that anyone familiar with software of CAD, OCR, and COGO systems can provide a suitable subroutine to enable a user to employ the method. Hard copy survey maps and legal descriptions may be converted into accurate computer based drawings. The method provides a quality control check of source documents by disclosing the closure of the bounding lines and superposing the vector drawing over any originally scanned drawing image.
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LaPierre Larry L.
Solberg Stephen J.
Boudreau Leo
Liss Margaret M.
Solberg Creations, Inc.
Tran Phuoc
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