The all-digital holography is based on the optical theory, combined with the strong manipulated ability of the computer, which is applied to the information security fields.
全数字全息术以光学原理为其理论基础，与计算机强大的处理能力相结合，应用于信息安全领域。
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This measuring system is composed of worktable, clamping and adjusting structure, optical system, digital camera, image card and computer. Picture 1 is system structure diagram.
As a highlight in the optical research today, digital holography is a mix of optical holography, computer technology and electronic imaging technology.