Intelligent Analysis of Hydraulic Concrete Vibration Time Based on Convolutional Neural Network

Figure 2

Convolution operation and mapping structure of convolutional neural network. (a) Convolution operation of 2D matrix and (b) mapping structure of convolutional neurons. is the characteristic matrix of last convolution output, that is, the input matrix of this convolution process, is the output matrix of the layer convolution l−1, is the submatrix of , which has the same size as the convolution kernel , and the remaining symbols are the same as before.

(a)

(b)