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Title: Implementation and applications of tri-state self organising maps on FPGA
Authors: Appiah, K
Hunter, A
Dickinson, P
Meng, H
Keywords: Binary SOM;FPGA;Object recognition;Character recognition
Issue Date: 2012
Publisher: IEEE
Citation: IEEE Transactions on Circuits and Systems for Video Technology, 22(8): 1150 - 1160, Aug 2012
Abstract: This paper introduces a tri-state logic self-organizing map (bSOM) designed and implemented on a field programmable gate array (FPGA) chip. The bSOM takes binary inputs and maintains tri-state weights. A novel training rule is presented. The bSOM is well suited to FPGA implementation, trains quicker than the original self-organizing map (SOM), and can be used in clustering and classification problems with binary input data. Two practical applications, character recognition and appearance-based object identification, are used to illustrate the performance of the implementation. The appearance-based object identification forms part of an end-to-end surveillance system implemented wholly on FPGA. In both applications, binary signatures extracted from the objects are processed by the bSOM. The system performance is compared with a traditional SOM with real-valued weights and a strictly binary weighted SOM.
Description: This is the post-print version of the Article. The official published version can be accessed from the link below - Copyright @ 2012 IEEE
ISSN: 1051-8215
Appears in Collections:Electronic and Computer Engineering

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