CFA algorithm and BP neural network-based invasion detection method
A BP neural network and intrusion detection technology, applied in the field of network intrusion detection technology research, can solve problems such as low detection accuracy, slow detection speed, and slow convergence speed
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[0023] The present invention will be further described in detail below with reference to the accompanying drawings, but the embodiments of the present invention are not limited thereto.
[0024] An intrusion detection method based on CFA (Cuttle Fish Algorithm) algorithm and BP neural network, specifically including the following steps:
[0025] 1. See figure 1 The operating parameters of the BP neural network mainly include the connection weight and threshold of each neuron. The object optimized by the CFA algorithm is the connection weight and threshold in the BP neural network. The global error function is:
[0026]
[0027] Among them, the input layer has n neurons, the hidden layer has q neurons, and the output layer has m neurons. The total number of samples is P, x pi Represents the i-th input of the p-th sample, v ki Represents the weight from the i-th node in the input layer to the k-th node in the hidden layer, w jk Represents the weight from the kth node in the hidden l...
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