Subject:
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Re: Barcodes & error detection
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 8 Sep 2005 07:01:17 GMT
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Viewed:
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947 times
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Hello Brian,
Error correction is good, but no error is probably better...
> It turns out the errors seem to only be of the form of a '1' (black)
> mistakenly read as a '0' (white).
This may be caused by specular reflexion on a too shiny black stripe. We had
that problem during the Billund AFOL mindstorms competition, it was solved by
tilting the light sensor...
Philo
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Message has 1 Reply:
 | | Re: Barcodes & error detection
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| (...) Absolutely, but in any real world application there is almost always some error rate. (...) John Barnes also suggested that to me after I posted, and I'm embarassed to admit that the thought hadn't occured to me. I need to test (again), but (...) (19 years ago, 8-Sep-05, to lugnet.robotics)
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Message is in Reply To:
| | Barcodes & error detection
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| Some of you at BrickFest may have seen Gus, a small robotic forklift that was one of my GBC modules. Gus had two problems at BrickFest. First, while the codereading task was 98% accurate, that still means on average once every 16 circuits of the (...) (19 years ago, 7-Sep-05, to lugnet.robotics)
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