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Harmonic envelope detection and amplitude estimation using map seeking circuits

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2 Author(s)
Gregoire, B.J. ; Dept. of Electr. & Comput. Eng., Montana State Univ., Bozeman, MT ; Maher, R.

In this paper we introduce the use of map-seeking circuits for auditory pattern detection and classification. A map-seeking circuit is a signal processing structure used to detect a desired feature in a mixture by iteratively transforming, superposing, and comparing the composite mixture with a pattern template. The result is a mapping between the template and the position of the matched feature in the mixture. The iterative detection process is inspired by the neural connections in the human visual system. A particularly important feature of map-seeking classification is that the search operates on an additive superposition of allowable transformations of the desired feature vector, giving a linear increase in computation with increasing image complexity, rather than a brute-force feature detection that increases in computation geometrically

Published in:

Electro Information Technology, 2005 IEEE International Conference on

Date of Conference:

22-25 May 2005