20150918

image processing and key generation etc

very simple watermarking using matlab. to hide a message in cover image..

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样本熵Code for computing approximate entropy for a time series(Sample Entropy )

Simply-supported or Pinned-pinned beam evaluations

sobi and jade algorithm , matlab

Code for obtaining stability measure of typical system

对109号心电图进行R波的识别与标注，文件中包含109号心电数据，无需另外下载(No. 109 for identification and labeling electrocardiogram R wave file contains 109 ECG data, no additional downloads)

说明：  以lorenz吸引子为例说明四阶定步长Runge-Kutta算法 详情见程序说明(to attract son as an example to illustrate four bands will step Runge- Kutta algorithm detailed description of the procedures)

自适应邻域的局部直方图均衡化算法 自适应邻域的局部直方图均衡化算法(Local Adaptive neighborhood histogram equalization algorithm)