beijingdaxue

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 feature vector and encryption technology combine in the watermark without the original image is a practical blind watermarking algorithm)

it just show the different type of signals and their matlab codes

播放一段音乐的matlab代码 安装metlab之后可以运行(Matlab code to play a music)

Project of my mtech partner computer store

this file is write on matlab code to enhancement image

由于PSO工具箱较难开发出多目标优化，采用MATLAB编写程序，得出VPPSO的源代码，进行优化设计，效果不错，希望和大家一起学习，共同进步(The PSO toolbox more difficult to develop a multi-objective optimization using MATLAB program, to draw VPPSO the source code, optimized design, good results, and we hope that with learning and common progress)

Embedding text into random pixels of an image

关于流通渠道中生产商与零售商关系的博弈分析(A Game Analysis about Relationship between Manufacturer and Retailer in Circulation Channel )

this report explains the phenomenon of ICI in ofdm

viterbi simulation K = 7 in qpsk modulation