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公开(公告)号：US20180157886A1
公开(公告)日：2018-06-07
申请号：US15700620
申请日：2017-09-11
Applicant: COGNEX CORPORATION
Inventor： James Negro , John F. Keating , Michael C. Moed
CPC classification number: G06K7/1465 , G06K7/10722 , G06K7/10762 , G06K7/10871 , G06K7/1417 , G06K7/1443
Abstract: A method and apparatus for decoding codes applied to objects for use with a camera and a conveyor system wherein the camera includes an image sensor having a two dimensional field of view (FOV) and the conveyor system moves objects through the FOV such that objects enter the FOV along an entry edge and exit the FOV along an exit edge, the method comprising the steps of providing a processor programmed to perform the steps of obtaining images of the FOV, for each image identifying code candidates in at least portions of the image, ordering at least a subset of the code candidates for decoding in a candidate order wherein the candidate order is determined at least in part as a function of the first direction of travel through the FOV, attempting to decode code candidates in the order specified by the direction of travel and when a new image event occurs, foregoing attempts to decode at least a portion of the identified code candidates.
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公开(公告)号：US09760752B2
公开(公告)日：2017-09-12
申请号：US14191695
申请日：2014-02-27
Applicant: COGNEX CORPORATION
Inventor： James Negro , John F. Keating , Michael C. Moed
CPC classification number: G06K7/1465 , G06K7/10722 , G06K7/10762 , G06K7/10871 , G06K7/1417 , G06K7/1443
Abstract: A method and apparatus for decoding codes applied to objects for use with a camera and a conveyor system wherein the camera includes an image sensor having a two dimensional field of view (FOV) and the conveyor system moves objects in a first direction of travel through the FOV such that objects enter the FOV along an entry edge and exit the FOV along an exit edge, the method comprising the steps of providing a processor programmed to perform the steps of obtaining images of the FOV, for each image identifying code candidates in at least portions of the image, ordering at least a subset of the code candidates for decoding in a candidate order wherein the candidate order is determined at least in part as a function of the first direction of travel through the FOV, attempting to decode code candidates in the order specified by the direction of travel and when a new image event occurs, foregoing attempts to decode at least a portion of the identified code candidates.
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公开(公告)号：US10325129B2
公开(公告)日：2019-06-18
申请号：US15700620
申请日：2017-09-11
Applicant: COGNEX CORPORATION
Inventor： James Negro , John F. Keating , Michael C. Moed
Abstract: A method and apparatus for decoding codes applied to objects for use with a camera and a conveyor system wherein the camera includes an image sensor having a two dimensional field of view (FOV) and the conveyor system moves objects through the FOV such that objects enter the FOV along an entry edge and exit the FOV along an exit edge, the method comprising the steps of providing a processor programmed to perform the steps of obtaining images of the FOV, for each image identifying code candidates in at least portions of the image, ordering at least a subset of the code candidates for decoding in a candidate order wherein the candidate order is determined at least in part as a function of the first direction of travel through the FOV, attempting to decode code candidates in the order specified by the direction of travel and when a new image event occurs, foregoing attempts to decode at least a portion of the identified code candidates.
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