An Information Processing Approach to Understanding the Visual Cortex

dc.creator	Crick, Francis H.C.
dc.creator	Marr, David C.
dc.creator	Poggio, Tomaso
dc.date	2004-10-04T14:51:59Z
dc.date	2004-10-04T14:51:59Z
dc.date	1980-04-01
dc.date.accessioned	2013-10-09T02:44:52Z
dc.date.available	2013-10-09T02:44:52Z
dc.date.issued	2013-10-09
dc.identifier	AIM-557
dc.identifier	http://hdl.handle.net/1721.1/6332
dc.identifier.uri	http://koha.mediu.edu.my:8181/xmlui/handle/1721
dc.description	An outline description is given of the experimental work on the visual acuity and hyperacuity of human beings. The very high resolution achieved in hyperacuity corresponds to a fraction of the spacing between adjacent cones in the fovea. We briefly outline a computational theory of early vision, according to which (a) retinal image is filtered through a set of approximately bandpass, spatial filters and (b) zero-crossings may contain sufficient information for much of the subsequent processing. Consideration of the optimum filter lead to one which is equivalent to a cell with a particular center-surround type of response. An "edge" in the visual field then corresponds to a line of zero-crossings in the filtered image. The mathematics of sampling and of Logan's zero-crossing theorem are briefly explained.
dc.format	10159430 bytes
dc.format	8043369 bytes
dc.format	application/postscript
dc.format	application/pdf
dc.language	en_US
dc.relation	AIM-557
dc.title	An Information Processing Approach to Understanding the Visual Cortex

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