US 12,228,473 B2
Tire tread depth estimation system and method
Vikram Krishnamurthy, Marietta, GA (US)
Assigned to Nissan North America, Inc., Franklin, TN (US)
Filed by NISSAN NORTH AMERICA, INC., Franklin, TN (US)
Filed on Nov. 30, 2022, as Appl. No. 18/072,442.
Prior Publication US 2024/0175784 A1, May 30, 2024
Int. Cl. G01M 17/02 (2006.01); G01B 11/22 (2006.01); G01B 11/25 (2006.01); G06T 7/00 (2017.01); G06T 7/40 (2017.01)
CPC G01M 17/027 (2013.01) [G01B 11/22 (2013.01); G01B 11/2518 (2013.01); G06T 7/0004 (2013.01); G06T 7/40 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A tire tread depth estimation system, comprising:
a light source configured to emit light onto a surface of a vehicle tire connected to a vehicle;
a camera configured to capture an image of the surface of the vehicle tire connected to the vehicle;
a housing in which the light source and the camera are disposed;
an adjustable stand supporting the housing, the adjustable stand being adjustable to adjust a position of the camera and the light source, the adjustable stand including a base and a leg movably connected to the base, the base being configured to be supported by a flat surface, the housing being connected to the leg, and the leg being movable relative to the base to adjust a position of the housing;
an electronic controller connected to the light source and to the camera, the controller being configured to estimate a depth of a tire tread of the vehicle tire based on the image received from the camera; and
a display configured to display the estimated tire tread depth.