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Article #4622do bird visual fields have overlap?
From: Patrick van der Smagt
Date: Tue, 01 Jun 1993 19:33
Date: Tue, 01 Jun 1993 19:33
18 lines
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1358 bytes
For my thesis I am developing a system which uses a monocular visual system mounted to a robot arm. One of the methods I use is related to a theory about how a gannet catches a fish: it uses image flow which is reconstructable from a sequence of images obtained with a *single* retina. Now in order to defend my control system I like to argue, look, basically animals such as most birds, and horses, have hardly *any* overlap in their two visual fields, and therefore cannot be truely argued to have stereo vision. Rather, they have mono vision twice, since their eyes are mounted on the side of their heads. But it this true? How much overlap do their visual fields, indeed, have? Do birds see stereo? Patrick
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 107c0a,9832886f4c04fd34,start X-Google-Attributes: gid107c0a,public X-Google-Thread: 1119a6,9832886f4c04fd34,start X-Google-Attributes: gid1119a6,public X-Google-ArrivalTime: 1993-06-01 12:42:55 PST Path: arc1-ca.pugleaf.net!gmd.de!Germany.EU.net!mcsun!sun4nl!fwi.uva.nl!smagt From: smagt@fwi.uva.nl (Patrick van der Smagt) Newsgroups: sci.bio,bionet.general Subject: do bird visual fields have overlap? Date: 1 Jun 1993 19:33:59 GMT Organization: FWI, University of Amsterdam Lines: 18 Message-ID: <1ugav7$ipa@mail.fwi.uva.nl> NNTP-Posting-Host: carol.fwi.uva.nl