Volume dimensioning system calibration systems and methods

Abstract

Various corporate, industry, and regulatory guidelines, best practices and standards are used in establishing acceptable levels of accuracy for volume dimensioning systems used in commerce. A volume dimensioning system can determine at least one distortion value that is indicative of an amount of distortion present in the system and responsive to the amount of distortion, autonomously after or adjust the units of accuracy of information reported by the system. Such alteration or adjustment of units of accuracy may be performed based on an assessment of the distortion relative to a number of distortion thresholds. Responsive to the assessment, the volume dimensioning system can adjust a unit of accuracy in a representation of volume dimensioning related information.

1 . A method of calibrating position and orientation parameters of an imaging system in an automated data reading system, the method comprising:
 obtaining, from the imaging system, image data representing an imaged portion of a planar calibration target that is superimposed on a surface of the automated data reading system, the imaged portion of the planar calibration target including spaced-apart optical codes disposed at predetermined positions on a surface of the automated data reading system to define known locations of calibration-control points on the surface;   identifying the optical codes from the image data to obtain observed locations of the calibration-control points represented by the image data; and   calibrating position and orientation parameters of the imaging system based on differences between the known and observed locations.