Subject:
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Re: Vision Command Questions
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Newsgroups:
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lugnet.robotics.vc
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Date:
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Sun, 31 Dec 2000 00:21:31 GMT
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Viewed:
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4616 times
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In lugnet.robotics.vc, Nate Ridderman writes:
> Hello,
>
> I have a few questions about Vision Command.
>
> 1. I'm a little confused about how the camera interfaces with the RCX. Does
> the camera just send data to the PC and then the PC sends commands to the
> RCX via the infrared tower?
Yes ! It's an USB camera (logitech webcam with a lego-like cover and another
harware key)
> 2. Do you have to use RCX 2.0 firmware when using the camera with the RCX?
Yes ! (I don't know how the already written activeX control works.)
> 3. Is the camera pretty good at distinguishing different colors, light, etc?
Color detection is not realy good for my opinion. A little difference in
color and the camerasoftware will not distinguish it anymore as chosen color.
(when light changes -> the colors do too !)
> I'm trying to decide if I want to buy one and if it will have enough
> capabilities to do the things I would like it to.
What are these things ??
Happy new year
Rainer
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Message has 2 Replies:
 | | Re: Vision Command Questions
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| (...) etc? (...) color. (...) VC only uses Hue to detect color. The color is trained by showing it to the camera. Hue varies between 0 and 359. A match must be within +/- 10 of the trained color. A big problem with detecting color with this method (...) (24 years ago, 31-Dec-00, to lugnet.robotics.vc)
| | | Re: Vision Command Questions
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| The camera is a good quality and is most responsive to motion. The light and color sensitivity seem to be rather marginal. The big drawback is the cable to the camera. It is 16 feet long, which is great, but it is quite stiff and a cumbersome (...) (24 years ago, 31-Dec-00, to lugnet.robotics.vc)
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Message is in Reply To:
| | Vision Command Questions
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| Hello, I have a few questions about Vision Command. 1. I'm a little confused about how the camera interfaces with the RCX. Does the camera just send data to the PC and then the PC sends commands to the RCX via the infrared tower? 2. Do you have to (...) (24 years ago, 31-Dec-00, to lugnet.robotics.vc)
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