... 菲涅耳变换全息图像 fresuel-transform holograms 菲涅尔变换全息图像 fresnel-transform hologram 计算机生成的全息图像 computer-generated hologram (cgh); computergenerated hologramm ...
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The digital watermark technique is proposed based on Fresnel hologram and Discrete Cosine Transform.
提出了一种基于数字菲涅耳全息和离散余弦变换的数字水印技术。
Mathematical representations for three kinds of reconstruction algorithms (Fresnel integral, convolution and Fourier transform) of digital hologram are deduced based on the diffraction theory.
在衍射理论基础上详细推导了三种再现算法(菲涅耳积分变换法、卷积法、傅立叶变换法)的数学表示。
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