基于离散余弦变换的快速对抗训练方法

王晓淼,张玉金,张涛,田瑾,吴飞

Fast adversarial training method based on discrete cosine transform

Xiaomiao WANG,Yujin ZHANG,Tao ZHANG,Jin TIAN,Fei WU

图 4 整块DCT和随机谱变换生成的频谱图及其热力图对比

Fig.4 Comparison of whole DCT and random spectrum transformation to generate spectra and their heatmap