Subject:
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Re: XCam2 as replace for Vision Command?
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Newsgroups:
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lugnet.robotics.rcx
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Date:
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Mon, 8 Jan 2001 15:29:00 GMT
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Viewed:
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1826 times
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I think I didn't mention that there is an addition for XCam2 called XRay
which makes XCam2 a usb webcam. My question was if it could be used. Can you
select which camera you would like to use in VC software or does it only
work with the LEGO cam?
The next problem would be to get the software that processes the digital
image (with these "zones") or to get only the VC software (on a legal way of
course!)
Fabian
In lugnet.robotics.rcx, John Barnes writes:
> There seems to be a common misconception that all cameras are equal!
>
> They are not. The kind of interface commonly found in webcams and the
> Lego cam are USB based digital ones which are supported by the O/S
> and deliver digitised images as bits maps to applications trying to process
> the imagery. All the other kinds of "video" cameras* generate a "video"
> signal which, allowing for international borders, is typically a raster based
> analog signal which at the very least requires a frame grabber to get it
> into digital format. I have not yet seen a frame grabber product which
> advertises itself as a drop in replacement for USB digital video - I might be
> wrong.
>
> It is my assumption that you will not have any luck with Lego's Vision Command
> software without a USB type camera.
>
> JB
>
> (* I understand that there are some digital devices like the Sony digital
> camcorders
> which don't exactly fall into this category, but they are not USB
> compatible either.)
>
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Message has 1 Reply:
 | | Re: XCam2 as replace for Vision Command?
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| Apparently it only works with the Lego cam. Using any other camera (USB or not) will not work as several people here tried it already. I have both the lego camera and the XCam2. XCam2 is great as long as you have plenty of light! Otherwise, the (...) (24 years ago, 8-Jan-01, to lugnet.robotics.rcx)
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Message is in Reply To:
| | Re: XCam2 as replace for Vision Command?
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| There seems to be a common misconception that all cameras are equal! They are not. The kind of interface commonly found in webcams and the Lego cam are USB based digital ones which are supported by the O/S and deliver digitised images as bits maps (...) (24 years ago, 8-Jan-01, to lugnet.robotics.rcx)
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