A Quadratic Feature Selection Method for Fluorescence Spectroscopy Based on Hybrid Particle Swarm and Continuous Projection
A technology of mixed particle swarm and fluorescence spectrum, applied in the field of secondary feature selection of fluorescence spectrum based on mixed particle swarm and continuous projection, can solve the problems of improvement, premature convergence and high model complexity
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[0054] Embodiment 1: Fluorescence spectrum secondary feature selection method based on mixed particle swarm and continuous projection, see Figure 2-Figure 6 , the specific process is as follows:
[0055] 1. If figure 2 As shown, firstly, the hybrid particle swarm optimization algorithm is used to perform the first feature selection on the original fluorescence spectrum. The main process is to use the discrete binary particle swarm optimization algorithm to perform feature selection on the original fluorescence spectrum, in which genetic operations are introduced in the particle update link, including crossover , mutation and other operations to increase the diversity of particles. The process mainly includes the following steps:
[0056] (1) Binary code
[0057] For the original fluorescence spectrum, assuming that N is the number of wavelength points of the fluorescence spectrum, set N+20-dimensional binary codes, the first N indicates whether the wavelength point is sel...
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