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System and method for producing synthetic golden template image for vision system inspection of multi-layer patterns
US8971663B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8971663-B2 |
| Application number | US-201213625021-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 24, 2012 |
| Priority date | May 21, 2012 |
| Publication date | Mar 3, 2015 |
| Grant date | Mar 3, 2015 |
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Abstract
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A system and method for generating golden template images in a vision system to inspect an acquired runtime image of an object with a multi-layer printed pattern is provided. The system and method performs a registration process on runtime images using registration models each trained on respective canonical layer mask images, and outputting poses. Based upon the poses, warped layer masks are generated. Combination masks are computed based upon differing combinations of the warped layer masks. Intensity values for pixels of the foreground regions for the combination masks are estimated. The estimated intensity values are then blended associated with the combination masks to generate a golden template image. This golden template image can be used to compare with a runtime image. An exemplary application of this system and method is in print inspection on flat and non-flat surfaces.
First claim
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What is claimed is: 1. A method for generating golden template images in a vision system to inspect an acquired runtime image of an object with a multi-layer printed pattern comprising the steps of: performing a registration process on runtime images using registration models each trained on respective canonical layer masks, and outputting poses; based upon the poses, generating warped layer masks; computing combination masks based upon differing combinations of the warped lay…
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- G06V10/772Primary
Physics · mapped topic
Physics · mapped topic
- G06K9/3216Primary
Physics · mapped topic
Physics · mapped topic
Physics · mapped topic
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- What does patent US8971663B2 cover?
- A system and method for generating golden template images in a vision system to inspect an acquired runtime image of an object with a multi-layer printed pattern is provided. The system and method performs a registration process on runtime images using registration models each trained on respective canonical layer mask images, and outputting poses. Based upon the poses, warped layer masks are g…
- Who is the assignee on this patent?
- Jacobson Lowell D, Liu Gang, Cognex Corp
- What technology area does this patent fall under?
- Primary CPC classification G06V10/772. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Mar 03 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).