US 11,961,310 B2
System and cryptographic hardening method for traffic signal verification
Asadullah Ansari, Bangalore (IN); Sharath Yadav Doddamane Hemantharaja, Chitradurga (IN); and Jipin Jose, Bangalore (IN)
Assigned to HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED, Stamford, CT (US)
Appl. No. 17/594,597
Filed by Harman International Industries, Incorporated, Stamford, CT (US)
PCT Filed Apr. 24, 2019, PCT No. PCT/IB2019/053357
§ 371(c)(1), (2) Date Oct. 22, 2021,
PCT Pub. No. WO2020/217087, PCT Pub. Date Oct. 29, 2020.
Prior Publication US 2022/0207885 A1, Jun. 30, 2022
Int. Cl. G06V 20/58 (2022.01); G08G 1/0962 (2006.01); G08G 1/0967 (2006.01); H04L 9/08 (2006.01); H04L 9/14 (2006.01)
CPC G06V 20/582 (2022.01) [G08G 1/09623 (2013.01); G08G 1/096766 (2013.01); H04L 9/0825 (2013.01); H04L 9/14 (2013.01); H04L 2209/80 (2013.01); H04L 2209/84 (2013.01)] 20 Claims
OG exemplary drawing
 
17. A method of verifying external informational images at a vehicle, the method comprising:
analyzing an external informational image including electronically displayed information received at the vehicle to identify the electronically displayed information from a display source and generate a characteristic field;
comparing the characteristic field to cryptographic data received at the vehicle from the display source; and
selectively controlling one or more vehicle systems of the vehicle based on the comparison.