GPS error correction method through comparison of three-dimensional HD-maps in duplicate area

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United States of America

PATENT NO 11982752
APP PUB NO 20220091274A1
SERIAL NO

17282901

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Abstract

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Proposed is a GPS error correction method performed through comparison of three-dimensional HD-maps in a duplicate area, and more particularly, a method that can calculate a correction value for a GPS error by comparing three-dimensional HD-maps of a corresponding duplicate area when the duplicate area is generated on a GPS route in the process of acquiring raw data to be used in a HD-map for autonomous driving. Particularly, in the method, an accurate correction value for the GPS error can be calculated by comparing three-dimensional point cloud data acquired by utilizing basically installed LiDAR, an Inertial Measurement Unit (IMU) and the like, without using expensive equipment such as a plurality of high-precision GPS receivers, stereo cameras or the like.

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Patent Owner(s)

  • MOBILTECH

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kim, Jae Seung Goyang-Si, KR 20 40
Suh, Dong Hyun Suwon-si, KR 1 0

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