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Acquiring fingertip ECG (electrocardiogram) signal using dry contact electrodes is challenging due to the presence of noise and interference by EMG (electromyogram) potentials. In this paper, we propose a method for using the fingertip ECG signal for biometric authentication. The noisy segments of the signal are segmented out using a variance-based heuristic and the clean signal is used for subsequent...
This work proposes two finite impulse response (FIR) filters using Residue Number Systems (RNS) technique. The moduli set adopted is {2k − 1, 2k, 2k−1 − 1}. The proposed method uses Stored Coefficient Product (SCP) to compute the multiplication of input with the filter coefficient. Further, the circular shift property of the moduli set is exploited to improve the performance of the filter. The two...
In this work, an efficient finite impulse response (FIR) filter using Residue Number System (RNS) is proposed. The moduli set used in this work is {2k − 1, 2k, 2k−1 − 1}. The benefit of circular shift approach of the chosen moduli set along with Stored Coefficient Product block improves the performance of the filter. The proposed RNS-FIR filter is compared with RNS-FIR filter implemented with moduli...
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