Journal
IEICE ELECTRONICS EXPRESS
Volume 13, Issue 8, Pages -Publisher
IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
DOI: 10.1587/elex.13.20151121
Keywords
modified pulsed-coupled spiking neurons circuit; chaos; image encryption; circuit implementation
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Funding
- National Science Foundation of China [61175012]
- Natural Science Foundation of Gansu Province [1208RJ-ZA265]
- Specialized Research Fund for the Doctoral Program of Higher Education of China [2011021111-0026]
- Fundamental Research Funds for the Central Universities of China [lzujbky-2015-109, lzujbky-2015-196]
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A modified pulse-coupled spiking neuron circuit (MPSNC) with memory threshold is presented. It is constructed with two single modified spiking neuron circuits (MSNCs). In MPSNC, one MSNC stores the potential of its threshold signal at the latest firing time of another MSNC as threshold, implying a short-term cross memory. We extend the definition of least common multiple to obtain the firing phase of MPSNC. By studying the iterative map of firing time and firing phase, the dynamics and statistics are revealed. The chaotic map of firing phase is applied to image encryption. Besides, the hardware circuit and simulation are built.
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