Inventors
Joshua Thompson, Yunjie Zhao
Publication date
2017/5/16
Patent office
US
Patent number
9651390
Application number
15053548
Description
A method and apparatus for mapping road illumination. A server receives high beam data. The server receives roadway conditions. The server calculates a high beam frequency for a road segment based on the high beam data and the roadway conditions. The server calculates road illumination from the high beam frequency. The server augments a geographic database with road illumination information.
Scholar articles
J Thompson, Y Zhao - US Patent 9,651,390, 2017