?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Visual+feedback+in+motion&rft.creator=Smagt%2C+P.+van+der&rft.creator=Groen%2C+F.&rft.subject=Animal+Cognition&rft.subject=Machine+Vision&rft.subject=Neural+Nets&rft.subject=Robotics&rft.description=In+this+chapter+we+introduce+a+method+for+model-free+monocular+visual+guidance+of+a+robot+arm.+The+robot+arm%2C+with+a+single+camera+in+its+end+effector%2C+should+be+positioned+above+a+stationary+target.+It+is+shown+that+a+trajectory+can+be+planned+in+visual+space+by+using+components+of+the+optic+flow%2C+and+this+trajector+can+be+translated+to+joint+torques+by+a+self-learning+neural+network.+No+model+of+the+robot%2C+camera%2C+or+environment+is+used.+The+method+reaches+a+high+grasping+accuracy+after+only+a+few+trials.&rft.publisher=Academic+Press%2C+Boston%2C+Massachusetts&rft.contributor=Omidvar%2C+O.+and+Smagt&rft.date=1997&rft.type=Book+Chapter&rft.type=NonPeerReviewed&rft.format=application%2Fpostscript&rft.identifier=http%3A%2F%2Fcogprints.org%2F493%2F2%2FSmaGro97.ps&rft.identifier=++Smagt%2C+P.+van+der+and+Groen%2C+F.++(1997)+Visual+feedback+in+motion.++%5BBook+Chapter%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F493%2F