On automatic generation of VHDL code for self-organizing map

  • Authors:
  • Akira Onoo;Hiroomi Hikawa;Seiji Miyoshi;Yutaka Maeda

  • Affiliations:
  • Department of Computer Science and Intelligent Systems, Oita University, Oita, Japan;Faculty of Engineering Science, Kansai University, Suita-shi, Japan;Faculty of Engineering Science, Kansai University, Suita-shi, Japan;Faculty of Engineering Science, Kansai University, Suita-shi, Japan

  • Venue:
  • IJCNN'09 Proceedings of the 2009 international joint conference on Neural Networks
  • Year:
  • 2009

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Abstract

Self-organizing map (SOM) proposed by T. Kohonen is a neural network with unsupervised leaning to classify multi-dimensional vectors. The performance of SOM implemented in software decreases as the number of neurons increases. Therefore, performance acceleration of SOM by custom hardware is highly desired. In addition the hardware implementation can make the best use of the parallelism embedded in the SOM algorithm. VHSIC hardware description language (VHDL) is widely used to describe and design digital hardware but the VHDL description becomes larger in proportion to the size of SOMe This paper discusses the automatic generation of VHDL description of the hardware SOM by software. A hardware SOM generator is developed and its preliminary results are presented.