Enhancing PCG Signal Quality Through Cascaded Adaptive Noise Cancelling with Metaheuristic Optimization - Alla, Madhava Rao; Nayak, Chandan (Circuits, systems, and signal processing, 2025)
Keywords: Adaptation; Algorithms; Background noise; Circuits and Systems; Correlation coefficients; Electrical Engineering; Electronics and Microelectronics; Engineering; Errors; Fourier transforms; Heart; Heuristic methods; Impulse response; Instrumentation; Machine learning; Methods; Noise; Noise reduction; Optimization; Random noise; Random variables; Signal processing; Signal quality; Signal to noise ratio; Signal,Image and Speech Processing; Sound; Sparsity; Spectrum analysis; Wavelet transforms; Greater cane rat algorithm; Phonocardiogram (PCG); Signal enhancement; IIR; ANC; Optimization