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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