针对F5隐写的检测，包括共生矩阵，不连续性的特征提取，DCT变换，灰度值提取，运用支持向量机SVM -For F5 steganography detection, including the co-occurrence matrix, feature extraction discontinuity, DCT transform, gray value extraction, using support vector machine SVM

this is a code of steganography f5 algorithm