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suanshubianma
- 和其它熵编码方法不同的地方在于,其他的熵编码方法通常是把输入的消息分割为符号,然后对每个符号进行编码,而算术编码是直接把整个输入的消息编码为一个数-And other entropy coding method is that different places, other entropy coding method is to input the message is usually divided into symbols, and then encode each symbol, whil
Am_MATLAB
- 用于实现常规AM调制的MATLAB源程序。-Matlab demonstration scr ipt for AM modulation. The message signal is+1 for 0 < t < t0/3,-2 for t0/3 < t < 2t0/3 and zero otherwise.
Visual-Attention
- 这是我自己根据Visual Attention Detection in Video Sequences Using Spatiotemporal Cues这篇文章写的matlab程序,比较好用,但是效果还有待完善,贴出来大家看看,有好的改进办法欢迎留言。压缩文件里面包含论文以及LC算法的代码。-This is based on my own Using Visual Attention Detection in Video Sequences Spatiotemporal Cues This
直接序列扩频水印的嵌入与提取
- 实现直接序列扩频水印的嵌入与提取。基于待嵌入消息生成二进制水印序列,生成扩频码,用消息序列调制生成水印序列。依次处理灰度图像的每一个载体图像像素,根据相应位置 水印序列完成嵌入修改。(Realize the embedding and extraction of direct sequence spread spectrum watermark. The binary watermark sequence is generated based on the message to be embed