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Think positive to find parts

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  • Bartlett W. Mel

    (University of Southern California)

Abstract

What are the 'features' or 'parts' that our brains use to tell one thing from another? Several algorithms exist for learning object parts, and the development of the latest -- known as non-negative matrix factorization -- is now reported. This algorithm seems to decompose sets of faces into 'basis functions' that are different, and more part-like, than those found by conventional algorithms.

Suggested Citation

  • Bartlett W. Mel, 1999. "Think positive to find parts," Nature, Nature, vol. 401(6755), pages 759-760, October.
    • Handle: RePEc:nat:nature:v:401:y:1999:i:6755:d:10.1038_44507
    DOI: 10.1038/44507
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