TR available: RFs From Hyperacuity to Recognition

[Edelman Shimon]

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Receptive Fields for Vision: from Hyperacuity to Object Recognition

Weizmann Institute CS-TR 95-29, 1995; 
to appear in VISION, R. J. Watt, ed., MIT Press, 1996. 

Shimon Edelman 
Dept. of Applied Mathematics and Computer Science 
The Weizmann Institute of Science 
Rehovot 76100, ISRAEL 
http://eris.wisdom.weizmann.ac.il/~edelman

  Many of the lower-level areas in the mammalian visual system are
  organized retinotopically, that is, as maps which preserve to a
  certain degree the topography of the retina. A unit that is a part
  of such a retinotopic map normally responds selectively to
  stimulation in a well-delimited part of the visual field, referred
  to as its {\em receptive field} (RF). Receptive fields are probably
  the most prominent and ubiquitous computational mechanism employed
  by biological information processing systems. This paper surveys
  some of the possible computational reasons behind the ubiquity of
  RFs, by discussing examples of RF-based solutions to problems in
  vision, from spatial acuity, through sensory coding, to object
  recognition.
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-Shimon