The Visual Pathway - TAUhezy/cns/p5.pdf · The Visual Pathway: functional columns. The Visual...

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The Visual Pathway

Transcript of The Visual Pathway - TAUhezy/cns/p5.pdf · The Visual Pathway: functional columns. The Visual...

Page 1: The Visual Pathway - TAUhezy/cns/p5.pdf · The Visual Pathway: functional columns. The Visual Pathway: functional columns. The Visual pathway: Functional Columns. The Visual Pathway:

The Visual Pathway

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The Visual Pathway: log mapping

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The Visual Pathway: functional columns

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The Visual Pathway: functional columns

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The Visual pathway: Functional Columns

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The Visual Pathway: functional columns

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Log Polar mapping

R , O R

O

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Log Polar mapping

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Log Polar mapping: computational benefits

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Columnar Organization: computational benefits

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Columnar Organization: computational benefits

Panum’sarea:

10 arcmin

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Columnar Organization: computational benefits

Tyler’s limit:

10 arcmin

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Columnar Organization: computational benefits

Tyler’s limit:

10 arcmin

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Computational benefits

• Upper limit on disparity: 10 arcmin (Panum)• Lower limit on disparity: 10 arcmin (Tyler)

• Cortical correlate?

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Cortical correlate of Psy data: Data Structure

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Stereo Algorithm

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Stereo Algorithm

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Stereo Algorithm

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Stereo Algorithm

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Stereo Algorithm

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Comutational Aspects of Cortical Anatomy

• Networks vs. Maps• Cortical structures are bearing

computational meaning• Implementation of Log-Polar transform• Columnar interlacing as efficient data

structure for stereo segmentation