algorithm

LSB used in watermarking for embedding

SGA（Simple Genetic Algorithm）是一种强大的智能多变量优化算法，它模仿种群繁殖规律来进行 优化。(SGA (Simple Genetic Algorithm) is a powerful, intelligent multi-variable optimization algorithm, which imitate the laws of population reproduction is optimized.)

说明：  卷积码仿真程序,matlab仿真，得到误码率曲线，在不同码率和生成码字下对应不同的纠错能力，反应在误码率曲线上(Convolutional code simulation program, matlab simulation, bit error rate curves obtained at different bit rate and generate the next code word corresponding to different error correction capabilities, reflected in the error rate curve)

Billing system for telephone station 2N,LG

说明：  在前面1维FDTD的基础上给出了2维的FDTD程序。可以帮助我们解决比如波导，光纤中的电磁场计算问题。尤其是给出了边界条件的设置方法。(in front of a peacekeeping FDTD given on the basis of two-dimensional FDTD procedures. We can help solve such as waveguides, optical fiber of electromagnetic computation. In particular, given the boundary conditions be set.)

EZW (Embedded Zerotrees of Wavelet Transforms) is a lossy image compression algorithm. At low bit rates (i.e. high compression ratios) most of the coefficients produced by a subband transform (such as the wavelet transform) will be zero, or very close to zero. This occurs because "real world" images tend to contain mostly low frequency information (highly correlated). However where high frequency information does occur (such as edges in the image) this is particularly important in terms of human perception of the image quality, and thus must be represented accurately in any high quality coding scheme.

MATLAB structures provide a way to collect arrays of different types and sizes in a single array. The following codes show how this can be made for problem1.m. One of the most interesting features is that the argument passing to functions is simplified. MATLAB codes for Finite Element Analysis problem1.m antonio ferreira 2008

It is the code related to jpeg image Denise. with innovation

This is firefly algorithm which is implemented in matlab. The algorithm is well-known, and apply in many optimal areas and outperform GA and PSO

otsu thresholding method