Depth residual convolution neural network image denoising method based on PReLU
A convolutional neural network and deep convolution technology, which is applied in the field of PReLU-based deep residual convolutional neural network image denoising, can solve the problems of image blur and loss of details, denoising performance, and useful information. Enrich nonlinear capabilities, avoid overfitting problems, and increase the effect of residual learning
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[0035] The present invention will be further described below in conjunction with specific embodiment:
[0036] like figure 1 As shown, a PReLU-based deep residual convolutional neural network image denoising method includes the following steps:
[0037] S1: Build a deep convolutional neural network model consisting of multiple convolutional and activation layers. The final output of the neural network is added to the source image to form a residual learning layer; the activation layer uses the Parametric Rectified Linear Unit (PRelu) activation function ;
[0038] The deep convolutional neural network model of the present embodiment includes a plurality of convolutional kernel sizes and convolutional layers with different sizes; as figure 2 As shown, the network structure has a total of 8 convolution layers, and the sizes of each convolution kernel are: 3x3, 3x3, 3x3, 9x9, 7x7, 5x5, 1x1, 5x5; the feature numbers of each layer are set to: 8, 16, 32,64,32,16,8,1. Among them...
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