ARToolKit | Mailing List Archive |
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From: | Rodney Berry <rodney@a ........> | Received: | Mar 6, 2003 |
To | artoolkit@h .................. | ||
Subject: | Re: error: setting palette bumblebee | ||
Just a thought, maybe the libraries tha point grey provide for tracking groups of dots position and orientation might actually be more accurate than the ARToolkit if you already have a bumblebee stereo camera. I would not have the foggiest idea 'how' to use them however... Rod. Marc Demlenne wrote: > How can i make sure of format used by the cam ? It's a Creative WebCam > PRO [1] I've tried different mode by passing parameters while loading the > module, but nothing changed. > > I'm under Linux, using ARToolKit version 2.61. I'd be happy with your > code. I'll take a look at it. > > But i've also another problem with another camera. It's a PtGrey > Bumblebee stereocam[2], running over Firewire bus. When using it, ARToolKit > says the format isn't recognized... I'm still looking at it but it > seems IEEE1394 isn't fully supported in ARTK yet, am i wrong ? > > [1] http://uk.europe.creative.com/products/product.asp?prod=332&page=1 > [2] http://www.ptgrey.com/products/bumblebee/index.html > > Thanks a lot > > On Wed, Mar 05, 2003 at 12:55:27PM +0100, Robert Hinn wrote: > >>Hm, I had the same problem. It's the USB camera you are using. Most >>likely it doesn't send it's pictures in RGB24 or RGB32 format, which is >>required by the ARToolkit. My camera (Philips ToUCam 740K) sends the >>pictures only in YUV420P format. If you are adventurous, you can look >>into the Firewire driver of the ARToolkit, they do some color conversion >>there... >> >>It might be a good idea to modularize the ARToolkit a bit, so that one >>could more easily insert an image converter... >> >>If your camera also uses the YUV420P format, I could send you the code >>that I used to convert the images... You'd have to paste that into the >>ARToolkit code, though. Which version are you using, 2.50? >> >> >>Bye, >> Robert. >> > |
From: | Rodney Berry <rodney@a ........> | Received: | Mar 6, 2003 |
To | artoolkit@h .................. | ||
Subject: | Re: error: setting palette bumblebee | ||
Just a thought, maybe the libraries tha point grey provide for tracking groups of dots position and orientation might actually be more accurate than the ARToolkit if you already have a bumblebee stereo camera. I would not have the foggiest idea 'how' to use them however... Rod. Marc Demlenne wrote: > How can i make sure of format used by the cam ? It's a Creative WebCam > PRO [1] I've tried different mode by passing parameters while loading the > module, but nothing changed. > > I'm under Linux, using ARToolKit version 2.61. I'd be happy with your > code. I'll take a look at it. > > But i've also another problem with another camera. It's a PtGrey > Bumblebee stereocam[2], running over Firewire bus. When using it, ARToolKit > says the format isn't recognized... I'm still looking at it but it > seems IEEE1394 isn't fully supported in ARTK yet, am i wrong ? > > [1] http://uk.europe.creative.com/products/product.asp?prod=332&page=1 > [2] http://www.ptgrey.com/products/bumblebee/index.html > > Thanks a lot > > On Wed, Mar 05, 2003 at 12:55:27PM +0100, Robert Hinn wrote: > >>Hm, I had the same problem. It's the USB camera you are using. Most >>likely it doesn't send it's pictures in RGB24 or RGB32 format, which is >>required by the ARToolkit. My camera (Philips ToUCam 740K) sends the >>pictures only in YUV420P format. If you are adventurous, you can look >>into the Firewire driver of the ARToolkit, they do some color conversion >>there... >> >>It might be a good idea to modularize the ARToolkit a bit, so that one >>could more easily insert an image converter... >> >>If your camera also uses the YUV420P format, I could send you the code >>that I used to convert the images... You'd have to paste that into the >>ARToolkit code, though. Which version are you using, 2.50? >> >> >>Bye, >> Robert. >> > |