High-definition map
highly detailed map, used in self-driving vehicles From Wikipedia, the free encyclopedia
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A high-definition map (HD map) is a highly accurate map made for self-driving cars.[1] They have things not present on traditional maps.[2][3] HD maps are accurate at a centimetre level.[2][4]
HD maps are made using different sensors. These sensors include LiDARs, radars, digital cameras and GPS.[2][5][6] HD maps can also be made using aerial imagery.[7][8]
High-definition maps can include things like road shape, road marking, traffic signs and barriers.[3][9]
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References
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