元纯 meaning in English

motozumi

The technique constructs bpof based watermark from the image discrete fourier transformation and embeds the watermark into the bit plane ( s ) of the corresponding magnitude spectrum
它在图像离散fourier变换域构造基于二元纯位相滤波器的水印,并嵌入到其相应的幅值位平面中。
3 . the binary phase - only filter ( bpof ) based digital image watermarking is a semi - fragile watermarking technique used for the image credibility authentication
3 、基于二元纯位相滤波器( binaryphase - onlyfilter ,简称bpof )的数字图像水印是一种用于图像真实性认证的半脆弱水印技术。