digital watermark

The digital watermark is to prevent pirating.

数码水印图案是用来防止盗版的.

A blind grayscale digital watermark algorithm.

灰度级的水印算法.

The information hiding technology mainly includes the steganography and digital watermark technology.

信息隐藏技术主要包括信息隐匿技术和数字水印技术.

It incorporated data encryption, digital watermark, identity authentication, rights expression and access control.

它融合了数据加解密、数字水印、身份认证、权利描述、访问控制等技术，通过内容包装、内容分发、授权管理和使用控制来保护数字作品的版权。

This article finally introduced the wavelet transformation digital watermark inserts with the examination simulation simulation.

本文最后介绍了小波变换的数字水印嵌入和检测模拟仿真.

The use of cryptography technology prevents the fake-watermark attack, and the digital signature and watermarking certificate authority technology avoids the man-in-the-middle attack.

通过密码学技术的使用，防止了伪造水印攻击；结合数字签名技术和数字水印认证中心，防止了中间人攻击。

Watermark embedding algorithms based on quantizing frequency domain parameters of digital audio signal

基于量化数字音频信号频域参数的水印嵌入算法

This paper proposes a novel digital video watermark algorithm based on DCT and NCG.

提出一种基于DCT和NCG的数字视频水印算法.

Information hiding techniques including steganography, Covert channel, digital watermark technology.

信息隐藏技术包括隐写术，隐信道技术，数字水印技术等。