Image-based tray alignment and tube slot localization in a vision system

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United States of America Patent

PATENT NO 10725060
APP PUB NO 20180045747A1
SERIAL NO

15551569

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Abstract

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A method of tube slot localization is provided using a tray coordinate system and a camera coordinate system. The method includes receiving, a series of images from at least one camera of a tray comprising tube slots arranged in a matrix of rows and columns. Each tube slot is configured to receive a sample tube. The method also includes automatically detecting fiducial markers disposed on cross sectional areas between the tube slots on the tray and receiving an encoder value indicating when each row of the tray is substantially at the center of the camera's field of view. The method further includes determining calibration information to provide mapping of locations from the tray coordinate system to locations from the camera coordinate system and automatically aligning the tray based on the encoder value and calibration information.

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Patent Owner(s)

Patent OwnerAddress
SIEMENS HEALTHCARE DIAGNOSTICS INC511 BENEDICT AVENUE TARRYTOWN NY 10591

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chang, Yao-Jen Princeton, US 196 1196
Chen, Terrence Princeton, US 190 1619
Dumont, Guillaume Paris, FR 6 22
Pollack, Benjamin Jersey City, US 17 274
Wissmann, Patrick Munich, DE 17 78
Wu, Wen Kirkland, US 58 645

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