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Yanhua Zhang, Xiaohu Ma. 基于分数阶傅里叶变换和扩展变换抖动调制的鲁棒数字水印算法 (Robust Watermarking Algorithm Based on Fractional Fourier Transform and Spread Transform Dither Modulation). 计算机科学, 43(11):200-204, 2016. [doi]
Abstract is missing.