Abstract #300779

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JSM 2002 Abstract #300779
Activity Number: 137
Type: Topic Contributed
Date/Time: Monday, August 12, 2002 : 2:00 PM to 3:50 PM
Sponsor: Section on Statistical Computing*
Abstract - #300779
Title: The Complex Statistics of Natural Images
Author(s): Ann Lee*+
Affiliation(s): Brown University
Address: Box F, Brown University, Providence, Rhode Island, 02912, USA
Keywords: natural image statistics ; non-linear sparse coding ; microimages ; image probability models
Abstract:

A crucial question in vision research is how to best model and code natural images. In this talk, we will explore the empirical statistics of large sets of patches from images in a normal visual environment and ask what are the intrinsic structures and dimension of natural image data. A new picture of natural image statistics seems to emerge, where geometric primitives (such as edges, blobs, and bars) generate a complex hierarchy of non-linear manifolds where the data is densely concentrated in state space.

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