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Using 3D vision for automated industrial inspection

A visual inspection, 3D technology, applied in material analysis by optical means, image detector method, image signal processing, image enhancement, etc., can solve problems such as loss

Active Publication Date: 2017-03-01
COGNEX CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, doing so results in loss of information about the 3D shape or volume
Inspection of 2D images converted from 3D images may also bias inspection results towards features most visible in the converted 2D image

Method used

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  • Using 3D vision for automated industrial inspection
  • Using 3D vision for automated industrial inspection
  • Using 3D vision for automated industrial inspection

Examples

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Embodiment Construction

[0045] Before any embodiment of the invention is explained in detail, it is to be understood that the invention is not limited in application to the details of construction and the arrangement of components set forth in the following description or illustrated in the following drawings. The invention is capable of other embodiments and of being practiced or carried out in various ways. Also, it is to be understood that the phraseology and terminology used herein are for the purpose of description and should not be regarded as limiting. The use of "comprises," "comprising," or "having" and other variations herein is meant to encompass the items listed thereafter and equivalents thereof, as well as additional items. Unless otherwise specified or limited, the terms "mount", "connect", "support", "couple" and variations thereof are used broadly and encompass both direct and indirect mounting, connecting, supporting and coupling. Further, "connected" and "coupled" are not limited ...

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Abstract

A system and method for three dimensional (3D) vision inspection using a 3D vision system. The system and method comprising acquiring at least one 3D image of a 3D object using the 3D vision system, using the 3D vision system; extracting a 3D visible runtime mask of the 3D image; using the 3D vision system, comparing the 3D runtime visible mask to a 3D reference visible mask; and, using the 3D vision system, determining if a difference of pixels exists between the 3D runtime visible mask and the 3D reference visible mask.

Description

[0001] Cross References to Related Applications [0002] This application claims priority and the benefit of US Provisional Patent Application Serial No. 62 / 185,444, entitled "Automated Industrial Inspection Using 3D Vision," filed June 26, 2015, which is hereby incorporated by reference. [0003] This application also claims priority and the benefit of US Provisional Patent Application Serial No. 62 / 280,625, entitled "Automated Industrial Inspection Using 3D Vision," filed January 19, 2016, which is hereby incorporated by reference. [0004] Statement of Federally Sponsored Research or Development [0005] Not applicable. technical field [0006] Industrial computer vision is increasingly employing 3D images as an additional data source for inspection. This application explores the use of 3D image data for automated visual inspection in industrial computer vision systems. The following disclosure provides systems and methods for automated visual industrial inspection, b...

Claims

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Application Information

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IPC IPC(8): G06T7/00G06T7/33
CPCG06T7/0004G06T7/001G06T2207/10028G06T2207/30028H04N13/275G01N21/1717G01N21/8806G01N2021/177
Inventor D·J·迈克尔
Owner COGNEX CORP
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