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In this paper, it is shown how a Leaky Integrate and Fire (LIF) neuron can be applied to solve non-linear pattern recognition problems. Given a set of input patterns belonging to K classes, each input pattern is transformed into an input signal, then the LIF neuron is stimulated during T ms and finally the firing rate is computed. After adjusting the synaptic weights of the neuron model, we expect...
This work presents an optimized Implementation on Field Programmable Gate Array (FPGA) Architecture for an Infomax algorithm based on Independent Component Analysis (ICA). We use this algorithm to solving Blind Source Separation (BSS) problems in real-time mixed signal processing in order to clean speech signals under noisy environments and to probe the potential of this kind of algorithms embedded...
Nowadays, it is common to identify some neuromuscular disorders from the myoelectric signals (MES). Often, these disorders are reflected in the basic components of the MES, the motor unit action potentials (MUAP). This work presents an approach for the decomposition of intramuscular MES in its essential MUAPs, through analysis (wavelet transform) and classification (neural networks) tools. Decomposition...
Retinal prosthesis design has become a hot field of researching around the world. Restoring partial vision to the blind patients that suffer from degenerative disease has become an important medical and scientific task. However, there are some doubts on how to propose the stimulation signals. The same question arises when the stimulation may be done by trans-corneal or transdermic pathways. One method...
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