ROAD MEASUREMENT DEVICE AND METHOD FOR MEASURING ROAD
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United States of America Patent
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N/A
Issued Date -
Aug 25, 2011
app pub date -
Oct 23, 2009
filing date -
Oct 28, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In a road measurement device according to an embodiment, a calibration unit generates formation parameters used for formation of a scale image, from a result of photographing a pattern for calibration by a photographing means. An image obtaining unit obtains a road image from the photographing means every predetermined traveled distance. At this time, a coordinate information obtaining unit associates coordinate information obtained from a coordinate obtaining device, with the road image. A scale forming unit selects appropriate ones of the formation parameters based on a height and an angle formed by the direction parallel to the road surface which are obtained by a photographing height and angle obtaining unit from a photographing height and angle measuring unit, and generates a scale image using those formation parameters.
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