OPENTECHNICAL PUBLICATION
OT-2026-000000161

2D area array camera-line laser 3D sensor joint calibration method and device

Published: 2026-09-15T19:02:33.495973Z
Permanent URL: https://opentechnical.org/p/OT-2026-000000161
Categories: Sensors, Controls & Machine Vision > Position and Presence Sensing

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ABSTRACT

A 2D area array camera-line laser 3D sensor joint calibration method,
comprising: establishing a 3D coordinate system of the line laser 3D sensor,
and obtaining 3D coordinates of a light bar point on the 2D area array camera;
placing a target at a common measurement position, and allowing the 2D area
array camera to acquire images of intersection lines of three sets of laser
plane and cylinders and the image coordinates of three sets of laser light
bars respectively; calculating 3D coordinates of the light bar point in a 2D
area array camera coordinate system, and calculating three ellipse center
position coordinates; directly acquiring 3D coordinates of three sets of laser
light bars in the 3D sensor coordinate system from the line laser 3D sensor,
and calculating three ellipse center position coordinates; and calculating a
conversion distance between two coordinate systems.

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OpenTechnical publication OT-2026-000000161
Published 2026-09-15T19:02:33.495973Z
https://opentechnical.org/p/OT-2026-000000161