提出了一种可抗 几何攻击的二值文本图像水印算法. 该算法基于DCT,它将二值图像的DCT、图像的视觉特征向 量和加密技术有机结合起来,在提取水印时不需要原始图像,是一种实用的盲水印算法-We propose a geometric attacks against Binary Text Watermarking Algorithm. The algorithm is based on DCT, it binary image DCT, the image of the visual fe

To find the transposition encryption in a text.

MATLAB实现的空域LSB算法，可输入密钥加密文本信息，有较好的交互界面(MATLAB implementation of the airspace LSB algorithm, you can enter key encryption, text information, there is a better interactive interface)

signal and image processing with text encryption / decryption