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In order to obtain the feature parameters of a signal, the image ridge of time-frequency domain must usually be detected. In the paper, the PSO algorithm is applied to the detection of the transform-domain image ridge. A new ridge detection algorithm is proposed, together with its specific realization process. Furthermore, this method is simulated to evaluate precision of this and the robustness of noise. Comparing its simulation results with the common method prove that this algorithms have the advantage to be fast and simple, with high accuracy, less iterations and small noise. It appears that the so defined ridges deserve as some features of the signal.
Communications and Mobile Computing, 2009. CMC '09. WRI International Conference on (Volume:1 )
Date of Conference: 6-8 Jan. 2009