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Urs Köster
University of Helsinki

Towards Multi-Layer Processing of Natural Images

Tuesday 21st of November 2006 at 12:00pm
3105 Tolman Hall (Beach Room)

Since the discovery of Simple and Complex cells in primary visual cortex, which have easily visualized receptive fields, efforts have been made to build models that show the emergence of similar features using unsupervised learning techniques applied to natural image data. Here we discuss recent work on extending single layer models to give rise to complex cell receptive fields. We proceed to describe a novel method called “Score Matching” for the estimation of multi-layer statistical models and the application to modeling of primary visual cortex.
(video)


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