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  A new path to understanding biological/human vision: theory and experiments

Zhaoping, L. (2019). A new path to understanding biological/human vision: theory and experiments. Talk presented at ISCo Talk. Tübingen, Germany. 2019-03-11.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-2211-3 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-2212-2
Genre: Talk

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 Creators:
Zhaoping, L1, 2, Author              
Affiliations:
1Department of Sensory and Sensorimotor Systems, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_3017467              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: Since Hubel and Wiesel's seminal findings in the primary visual cortex (V1) more than 50 years ago, progress in vision science has been very limited along previous frameworks and schools of thoughts on understanding vision. Have we been asking the right questions? I will show observations motivating the new path. First, a drastic information bottleneck forces the brain to process only a tiny fraction of the massive visual input information; this selection is called the attentional selection, how to select this tiny fraction is critical. Second, a large body of evidence has been accumulating to suggest that the primary visual cortex (V1) is where this selection starts, suggesting that the visual cortical areas along the visual pathway beyond V1 must be investigated in light of this selection in V1. Placing attentional selection as the center stage, a new path to understanding vision is proposed (articulated in my book "Understanding vision: theory, models, and data", Oxford University Press 2014). I will show a first example of using this new path, which aims to ask new questions and make fresh progresses. I will relate our insights to artificial vision systems to discuss issues like top-down feedbacks in hierachical processing, analysis-by-synthesis, and image understanding.

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 Dates: 2019-03
 Publication Status: Published online
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Title: ISCo Talk
Place of Event: Tübingen, Germany
Start-/End Date: 2019-03-11
Invited: Yes

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