IP Library Granted Patent US 10,466,027
Granted Patent B2
US 10,466,027 · App. 15/629,271 · Granted Nov 5, 2019

System and method for marker placement

Inventors: Masato Yokoyama (Carson, CA); Hiroshi Iwabuchi (Torrance, CA)
Assignee: FUJITSU TEN CORP. OF AMERICA
G01B3/04G01B11/272G06T7/80H04N17/002B60Y2304/09H04N7/181
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Quick Facts
Patent No.
US 10,466,027
App. No.
15/629,271
Granted
Nov 5, 2019
Kind
B2
Abstract

A system for marker placement includes a plurality of puzzle blocks connectable by a connection mechanism. The plurality of puzzle blocks include a plurality of markers positioned in a predetermined configuration. The puzzle blocks are connected together by the connection mechanism to surround a sensor for calibration of the sensor with the plurality of markers. The puzzle blocks include one or more sizes and have a quantity based on a calibration parameter of the sensor.

Claims (65)

1. A system for marker placement, comprising:

a plurality of puzzle blocks connectable by a connection mechanism; and

the plurality of puzzle blocks including a plurality of markers positioned in a predetermined configuration, wherein

the puzzle blocks are connected together by the connection, mechanism to surround a sensor with the plurality of markers;

the puzzle blocks include one or more sizes and have a quantity based on a calibration parameter of the sensor; and

the puzzle blocks include a front center marker, a front adjustable slider an adjustable front spacer, a front cross marker, a front lateral cross marker, a lateral spacer, an adjustable lateral spacer, a movable side marker, a lateral adjustable slider, a rear lateral leg cross marker, a rear lateral cross marker, a rear cross marker, an adjustable rear spacer, a rear center marker, and a rear adjustable slider.

2. The system for marker placement of claim 1 , wherein

the connection mechanism includes male and female hook type members connectable to lock the plurality of puzzle blocks together.

3. The system for marker placement of claim 1 , wherein

the sensor for calibration is on a vehicle.

4. The system for marker placement of claim 1 , wherein

the puzzle blocks include a predetermined configuration for sensor calibration for each of a plurality of vehicles.

5. The system, for marker placement of claim 1 , wherein

the lateral spacers include numbered positioning holes.

6. The system for marker placement of claim 5 , wherein

the movable side marker includes a male member on a bottom surface connectable to the lateral spacer numbered positioning holes.

7. The system for marker placement of claim 5 , wherein

the front cross marker, the lateral cross marker and the rear cross marker are placed to calibrate at least one of a 360-degree view camera, a blind spot sensor, a park assist camera, a front camera and a lane detection camera.

8. The system for marker placement of claim 7 , wherein

the rear cross marker is used to position a blind spot tool to calibrate a blind spot sensor.

9. The system for marker placement of claim 7 , wherein

the rear center marker is used to position a park assist tool to calibrate the park assist camera.

10. The system for marker placement of claim 7 , wherein

the front center marker is used to position a front camera tool to calibrate the front camera.

11. The system for marker placement of claim 7 , wherein

the front center marker is used to position a lane detection tool to calibrate the lane detection camera.

12. A method for marker placement, comprising:

securing a side line to each of a left rear cross section of a rear bumper and a chassis body and a right rear cross section of a rear bumper and a chassis body of a vehicle,

attaching a side weight to each side line so that each side line aligns with a corresponding predetermined position on a lateral, leg cross marker,

securing a front line to an underside of a front bumper edge of the vehicle,

attaching a front weight to the front line so that the front line aligns with a center of a front center marker,

securing a rear line to an underside of a rear bumper edge of the vehicle,

attaching, a rear weight to the rear line so that the rear line aligns with a center of a rear center marker, and

assembling a plurality of puzzle blocks by a connection mechanism, the assembling including,

connecting a front center marker to a first end of an adjustable front spacer,

connecting a second end of the adjustable front spacer to a first end of a first end of a front cross marker,

connecting a second end of the front cross marker to a first end of a front lateral cross marker,

connecting a second end of the front lateral cross marker to a first end of an adjustable lateral spacer,

attaching a movable side marker to a top surface of the adjustable lateral spacer,

connecting a second end of the adjustable lateral spacer to a first end of a rear lateral leg cross marker,

connecting a second end of the rear lateral leg cross marker to a first end of a rear cross marker,

connecting a second end of the rear cross marker to a first end of a rear center marker,

connecting a front adjustable slider to the center of the front center marker to align a front of the vehicle with the center of the front center marker,

connecting a rear adjustable slider to the center of the rear center marker to align a rear of the vehicle with the center of the rear center marker, and

connecting a lateral side adjustable slider to the corresponding predetermined position on the lateral cross marker to align a side of the vehicle with the predetermined position on the lateral cross marker.

13. The method for marker placement of claim 12 , wherein

the connection mechanism includes male and female hook type members connectable to lock the plurality of puzzle blocks together.

14. The method for marker placement of claim 12 , wherein

the lateral spacers include numbered positioning holes.

15. The method for marker placement of claim 14 , wherein

the movable side marker includes a male member on a bottom surface connectable to the lateral spacer numbered positioning holes.

16. The method for marker placement of claim 12 , wherein

the puzzle blocks are connected to surround the vehicle.

17. The method for marker placement of claim 12 , wherein

the puzzle blocks include a predetermined configuration for each of a plurality of vehicles.

18. The method for marker placement of claim 12 , wherein

the front cross marker, the lateral cross marker and the rear cross marker is placed to calibrate at least one of a 360-degree view camera, a blind spot sensor, a park assist camera, a front camera and a lane detection camera.

19. The method for marker placement of claim 18 , wherein

the rear cross marker is used to position a blind spot tool to calibrate a blind spot sensor.

20. The method for marker placement of claim 18 , wherein

the rear center marker is used to position a park assist tool to calibrate the park assist camera.

21. The method for marker placement of claim 18 , wherein

the front center marker is used to position a front camera tool to calibrate the front camera.

22. The method for marker placement of claim 18 , wherein

the front center marker is used to position a lane detection tool to calibrate the lane detection camera.

Assignments (2)
CHANGE OF NAME Recorded Mar 23, 2022
From: FUJITSU TEN CORP. OF AMERICA
To: DENSO TEN AMERICA LIMITED
Reel/Frame 059482/0056 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 21, 2017
From: YOKOYAMA, MASATO; IWABUCHI, HIROSHI
To: FUJITSU TEN CORP. OF AMERICA
Reel/Frame 042772/0434 →
Continuity (1)
Related Publication 20180372467A1 · Dec 27, 2018
Cited By (1)
US 12,421,742