Material characterization by ultrasonics using unsupervised competitive learning

Chipai Chou, Bong Ho*, Jeng-Tzong Sheu

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

In this paper a competitive learning network based on a new "conscience" learning algorithm is presented. A number of algorithms for competitive learning networks are compared to the proposed algorithm. The proposed algorithm is tested with different data sets and is shown to be efficient in obtaining near-optimal results. Clustering results produced by the network are checked by an internal index for cluster validity. We conclude this paper with an application of the proposed network in acoustic imaging segmentation for material characterization.

Original languageEnglish
Pages (from-to)769-777
Number of pages9
JournalPattern Recognition Letters
Volume16
Issue number7
DOIs
StatePublished - 1 Jan 1995

Keywords

  • Artificial neural network
  • Clustering
  • Ultrasound material characterization
  • Unsupervised learning

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