Image analysis – Applications – Reading maps – graphs – drawings – or schematics
Patent
1997-05-27
2000-03-28
Bella, Matthew C.
Image analysis
Applications
Reading maps, graphs, drawings, or schematics
382202, 382218, 345435, G06K 900
Patent
active
060441674
ABSTRACT:
A method for automatically verifying the accuracy of an electronic map by an algorism which is adapted to verify irregular unit objects on the electronic map, thereby reducing the verification time and costs while obtaining improved verification accuracy. The method includes the steps of calculating a desired number of unit straight lines to be included in a broken line, overlapping an image, which is indicative of raster data transformed from vector data obtained based on original raster data of an original map, with an image indicative of the original raster data, thereby calculating the number of overlapping unit straight lines, and verifying the accuracy of the electronic map, based on the calculated results along with desired limitations associated with those results.
REFERENCES:
patent: 5467411 (1995-11-01), Tanaka et al.
patent: 5509113 (1996-04-01), Takakura et al.
patent: 5559707 (1996-09-01), DeLorme et al.
patent: 5761328 (1998-06-01), Solberg et al.
Baik Song Hoon
Jeong Jae Woo
Kim Hyo Sil
Kim Sung Ryong
Kim Young Man
Bella Matthew C.
Korea Telecommunication Authority
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