System and method for marker placement
First Claim
Patent Images
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, whereinthe 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.
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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.
46 Citations
22 Claims
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1. A system for marker placement, comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method for marker placement, comprising:
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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. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification
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Current AssigneeDenso Ten America Limited (DENSO Corporation)
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Original AssigneeFujitsu Ten Corporation Of America (DENSO Corporation)
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InventorsYokoyama, Masato, Iwabuchi, Hiroshi
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Primary Examiner(s)Fulton, Christopher W
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Application NumberUS15/629,271Publication NumberTime in Patent Office867 DaysField of Search33578, 33478, 33608, 33286, 248148, 348148US Class CurrentCPC Class CodesB60Y 2304/09 Testing or calibrating duri...G01B 11/272 using photoelectric detecti...G01B 3/04 rigidG06T 7/80 Analysis of captured images...H04N 17/002 for television camerasH04N 7/181 for receiving images from a...
