?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Sparse+visual+models+for+biologically+inspired+sensorimotor+control&rft.creator=Yang%2C+Li&rft.creator=Jabri%2C+Marwan&rft.subject=Machine+Vision&rft.subject=Neural+Nets&rft.subject=Robotics&rft.description=Given+the+importance+of+using+resources+efficiently+in+the+competition+for+survival%2C+it+is+reasonable+to+think+that+natural+evolution+has+discovered+efficient+cortical+coding+strategies+for+representing+natural+visual+information.+Sparse+representations+have+intrinsic+advantages+in+terms+of+fault-tolerance+and+low-power+consumption+potential%2C+and+can+therefore+be+attractive+for+robot+sensorimotor+control+with+powerful+dispositions+for+decision-making.+Inspired+by+the+mammalian+brain+and+its+visual+ventral+pathway%2C+we+present+in+this+paper+a+hierarchical+sparse+coding+network+architecture+that+extracts+visual+features+for+use+in+sensorimotor+control.+Testing+with+natural+images+demonstrates+that+this+sparse+coding+facilitates+processing+and+learning+in+subsequent+layers.+Previous+studies+have+shown+how+the+responses+of+complex+cells+could+be+sparsely+represented+by+a+higher-order+neural+layer.+Here+we+extend+sparse+coding+in+each+network+layer%2C+showing+that+detailed+modeling+of+earlier+stages+in+the+visual+pathway+enhances+the+characteristics+of+the+receptive+fields+developed+in+subsequent+stages.+The+yield+network+is+more+dynamic+with+richer+and+more+biologically+plausible+input+and+output+representation.&rft.publisher=Lund+University+Cognitive+Studies&rft.contributor=Prince%2C+Christopher+G.&rft.contributor=Berthouze%2C+Luc&rft.contributor=Kozima%2C+Hideki&rft.contributor=Bullock%2C+Daniel&rft.contributor=Stojanov%2C+Georgi&rft.contributor=Balkenius%2C+Christian&rft.date=2003&rft.type=Conference+Paper&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F3340%2F1%2FYang.pdf&rft.identifier=++Yang%2C+Li+and+Jabri%2C+Marwan++(2003)+Sparse+visual+models+for+biologically+inspired+sensorimotor+control.++%5BConference+Paper%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F3340%2F