Instantaneous Frequency Estimation via Ridge Detection in Polynomial Time and Space - Djurovic, Igor (IEEE signal processing letters, 2025)
Keywords: Algorithms; Estimation; Frequency estimation; Heuristic methods; Instantaneous frequency; Memory management; Metaheuristics; Polynomials; ridge detection; Signal processing algorithms; Simulated annealing; Time-frequency analysis; Transforms; Viterbi algorithm; Viterbi algorithm detectors