1.1machineLearningML1.21.4AI1-11.51.6AI1-11.7Feature1.8OneHotOneHotEndcodingN1N2NNNNN101.91.101.111231.12=1.13supportvectormachine1.141.151.161.171.181.19---1.201.21CNN-NETVisualGeometryGroupVGG-NETDeepResidualNetWorkDNNGoogleNet1.222.12.22.32.4A2-12.5Axxx2-211mnnmAxb2-12.6ab=|a||b|cosmnA1mb1nx2-2