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Pattern theory

In this article, we are going to explore in detail Pattern theory and its impact on our society. Pattern theory is a widely discussed topic that has generated controversy in different areas. Over the years, Pattern theory has played a crucial role in people's lives, influencing culture, politics, economics, and many other areas. Through this comprehensive analysis, we hope to provide a clearer view of Pattern theory and its importance in the modern world.

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For "pattern theory" in pain science, see Pain § Pattern_Theory. For other meanings of "pattern", see Pattern (disambiguation).

Pattern theory, formulated by Ulf Grenander, is a mathematical formalism to describe knowledge of the world as patterns. It differs from other approaches to artificial intelligence in that it does not begin by prescribing algorithms and machinery to recognize and classify patterns; rather, it prescribes a vocabulary to articulate and recast the pattern concepts in precise language. Broad in its mathematical coverage, Pattern Theory spans algebra and statistics, as well as local topological and global entropic properties.

In addition to the new algebraic vocabulary, its statistical approach is novel in its aim to:

  • Identify the hidden variables of a data set using real world data rather than artificial stimuli, which was previously commonplace.
  • Formulate prior distributions for hidden variables and models for the observed variables that form the vertices of a Gibbs-like graph.
  • Study the randomness and variability of these graphs.
  • Create the basic classes of stochastic models applied by listing the deformations of the patterns.
  • Synthesize (sample) from the models, not just analyze signals with them.

The Brown University Pattern Theory Group was formed in 1972 by Ulf Grenander.[1] Many mathematicians are currently working in this group, noteworthy among them being the Fields Medalist David Mumford.[2] Mumford regards Grenander as his "guru"[3] in Pattern Theory.

See also

References

  1. ^ "Ulf Grenander's Home Page". January 22, 2009. Archived from the original on 2009-01-22.
  2. ^ Mumford, David (2002-12-01). "Pattern theory: the mathematics of perception". arXiv:math/0212400v1.
  3. ^ "| Vision Introductory Comments". www.dam.brown.edu. Retrieved 2025-12-13.

Further reading

  • 2007. Ulf Grenander and Michael Miller Pattern Theory: From Representation to Inference. Oxford University Press. Paperback. (ISBN 9780199297061)
  • 1994. Ulf Grenander General Pattern Theory. Oxford Science Publications. (ISBN 978-0198536710)
  • 1996. Ulf Grenander Elements of Pattern Theory. Johns Hopkins University Press. (ISBN 978-0801851889)
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