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Electronics & Test

3D Machine Vision Comes Into Focus

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Beth Stackpole
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Any synergies with 3D design tools
Beth Stackpole   2/17/2012 7:05:19 AM
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Chuck, between you and Ann's articles, there definitely seems to be strong headwinds behind the use of 3D machine vision technology on the factory floor and based on your most recent piece, a lot of ground being broken in the automotive industry specifically. I'm curious if all the data they are collecting with these 3D cameras and such is relevant and can find its way back into other 3D design tools like simulation and CAD? I would think particularly for the inspection and quality applications, that is invaluable information for engineers finetuning their designs or fixing design flaws.

naperlou
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Re: Any synergies with 3D design tools
naperlou   2/17/2012 9:23:15 AM
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Beth, I think you are right on with your comment.  We are now moving into a design world where 3D design, printing and machine vision could streamline design and manufacturing and flow between them.  Just imagine the possibilities for continuous improvement when you can combine the three. 

Ann R. Thryft
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Re: Any synergies with 3D design tools
Ann R. Thryft   2/17/2012 12:50:52 PM
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Chuck, thanks for a clear, comprehensive article on this subject. I think Alex's point is well taken: that the increase in the use of 3D techniques in MV are all about quality control, and good evidence for the revival of US manufacturing skills, ability and quality. Beth's and naperlou's comments are also intriguing: the implications of such convergence could be mind boggling.


Beth Stackpole
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Re: Any synergies with 3D design tools
Beth Stackpole   2/21/2012 6:47:04 AM
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I like your way of thinking, Naperlou. Combining all of those disparate, but related 3D technologies can certainly play a huge role in helping manufacturers address quality issues in an expedient, cost-effective, and continuous manner. Armed with that kind of real-time ability to respond and improve, perhaps American manufacturing can move forward in a positive way as Alex's comments suggest.

apresher
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Expansion of Vision in Mfg
apresher   2/17/2012 8:46:46 AM
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Chuck, Excellent article. This should be a very interesting area for automation and control over the next decade. As computing platforms and operating systems continue to move to the next level, vision should be an area ripe for innovation.  Any ideas about how quickly we'll start to see wider adoption?

Alexander Wolfe
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Re: Expansion of Vision in Mfg
Alexander Wolfe   2/17/2012 9:16:17 AM
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This is the cover story in the February print issue of Design News. My comment would be, the increased quality control enabled by wider deployment of 3D vision plays into the whole meme of the resurgence of U.S. manufacturing. Not that this technology won't be used worldwide -- it will. But its deployment Stateside, particularly in the resurgent domestic automotive industry, will go a long way towards keeping U.S. manufacturing on par with its tough worldwide competition.

Charles Murray
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Re: Expansion of Vision in Mfg
Charles Murray   2/17/2012 6:01:14 PM
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I think wider adoption will still be slow, Al. The wild card, however, might be the economy. If auto sales jump, we could see wider adoption of 3D for a lot of different automotive applications, such as inspection of braking components, fuel lines and tire treads.

apresher
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Expansion of Vision in Mfg
apresher   2/17/2012 2:42:59 PM
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One question for 3D vision in automation applications is how much this technology expands the processing requirements required for these more sophisticated vision applications. With the move toward one controller, one network and PC-based systems where users are gaining confidence in the reliability of the real-time operating systems, a sharp increase in processing for 3D would potentially inhibit adoption at some level.  Chuck, any ideas on the impact this might have from your research?

Rob Spiegel
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The Tipping Point
Rob Spiegel   2/17/2012 3:02:29 PM
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Nice article, Chuck. I look forward to the next one.

What was the tipping point on the adoption of 3D vision. Was it the cost of cameras coming down? Was it software developments that made it easier to deploy (i.e. users don't have to do complex original programming)? Or something else?

Charles Murray
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Re: The Tipping Point
Charles Murray   2/17/2012 5:56:19 PM
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There's a convrgence of trends that are making 3D more viable, Rob. Availability of software libraries has been important, but equally important is the availability of multicore processors to run the applications. We're hearing of users who are employing 8, 10, and even 12 cores to do the processing. 3D is also getting a bit simpler. In-house engineer without 3D experience can do simple applications, such as de-palletizing. And now there are more system integrators who can handle robotics applications. It's still complex, but 3D no longer requires the expertise of Ph.D.-level specialists.  

apresher
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3D Vision in Mfg
apresher   2/20/2012 10:09:40 AM
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Thanks, Chuck.  I'm sure the processing requirements are high but multi-core processors are perfect for this type of application. As Moore's Law marches on in automation controllers, vision is definitely one of the apps that should be able to expand by using the extra available processing horsepower.

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