Identification of road segments

Identification of road segments

Segment signatures for road segments may be generated to enable, among other things, conflation of map data. To generate a segment signature, map data is analyzed to determine road segments represented by the map data. A road segment may be converted into a segment signature to enable comparing road...

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Hauptverfasser: Kalenkovich, Eugene, Whitman, Ronald M
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
GYROSCOPIC INSTRUMENTS
MEASURING
MEASURING DISTANCES, LEVELS OR BEARINGS
NAVIGATION
PHOTOGRAMMETRY OR VIDEOGRAMMETRY
PHYSICS
SURVEYING
TESTING
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creator Kalenkovich, Eugene
Whitman, Ronald M
description Segment signatures for road segments may be generated to enable, among other things, conflation of map data. To generate a segment signature, map data is analyzed to determine road segments represented by the map data. A road segment may be converted into a segment signature to enable comparing road segments between different maps and/or for other reasons. The segment signature may be generated for a road segment and may include truncated geohashes or geohashes including fewer significant digits than more precise geohashes for points along the road segment, thereby designating a small area of land for comparison purposes. The segment signature may include alphanumeric digits representing a start angle and an end angle of the road segment.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
GYROSCOPIC INSTRUMENTS
MEASURING
MEASURING DISTANCES, LEVELS OR BEARINGS
NAVIGATION
PHOTOGRAMMETRY OR VIDEOGRAMMETRY
PHYSICS
SURVEYING
TESTING
title Identification of road segments
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