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Article #989Re: Question on Light Stripe Generation
From: Gordon Couger
Date: Fri, 16 Oct 1992 04:08
Date: Fri, 16 Oct 1992 04:08
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In article <29439@life.ai.mit.edu> bleck@ai.mit.edu writes: >In article <1992Oct14.232342.8698@elroy.jpl.nasa.gov>, behar@robotics.jpl.nasa.gov (Albert Behar) writes: >|> How are light stripes usually generated? >|> >|> I'm thinking about using a light stripe and >|> a low resolution imager to get range data. > > >The one on Herbert at MIT (Jon Connell) used a laser with a cylindrical lens >(i.e. a glass rod)--very simple. It used a 30x30 camera with an optical >notch filter matched to the laser's band, which all gave a very reliable >image of the resulting paralax. > >-Olaf I have used a photoflash, two razor blades and a projector lens to project the stripe. I also have used a fan laser, I don't recall the sorce. I can probably find it if you need it. Gordon Couger
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Path: arc1-ca.pugleaf.net!sparky!uunet!UB.com!pacbell.com!att-out!rutgers!sun-barr!ames!elroy.jpl.nasa.gov!sdd.hp.com!ux1.cso.uiuc.edu!moe.ksu.ksu.edu!mimbres.cs.unm.edu!constellation!osuunx.ucc.okstate.edu!olesun!gcouger From: gcouger@olesun.okstate.edu (Gordon Couger) Newsgroups: comp.robotics Subject: Re: Question on Light Stripe Generation Message-ID: <1992Oct16.040828.14358@osuunx.ucc.okstate.edu> Date: 16 Oct 92 04:08:28 GMT References: <1992Oct14.232342.8698@elroy.jpl.nasa.gov> <29439@life.ai.mit.edu> Sender: news@osuunx.ucc.okstate.edu (USENET News System) Organization: Oklahoma State University, Stillwater Lines: 20 Nntp-Posting-Host: olesun.agen.okstate.edu