...文档资料 关键词: 随机相位模板; 菲涅耳变换; 信息安全; 图像置乱 [gap=926]Key words: random-phase marks; Fresnel transform; information security; image scrambler ...
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Fresnel transform formula 菲涅耳变换公式
discrete Fresnel transform 离散菲涅耳变换
fresnel-transform hologram 菲涅尔变换全息图像
fresnel transform algorithm 菲涅耳变换
Fresnel-transform reconstruction 菲涅耳变换法再现
Fresnel Joint Transform Correlator 菲涅耳联合变换相关器
Fresnel diffraction transform 菲涅耳衍射变换
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。
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。
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