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Lecture 1: Introduction to Biological Vision - Vision Research ...

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Well-known problems with localedge detec<strong>to</strong>rsSharp edges around objects are aneveryday visual “illusion”–Local information for an edge is almostalways ambiguous• Lots of “noise” in images• Edge identity is ambiguous– i.e. is the edge due <strong>to</strong> a change in illumination,shape, depth, material, noise? Some edges are lessimportant than others–Noise vs. smoothingWednesday, August 29, 1253

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