Image-segmentation-Extraction

Audio Watermark coding

利用matlab程序实现窄带高斯噪声，并给出了窄带高斯噪声的实例。(Matlab program to achieve the use of narrowband Gaussian noise, and gives examples of narrowband Gaussian noise.)

编程应用粒子群优化算法来优化天线，降低散射场，使天线得到优化(The programming using particle swarm optimization algorithm to optimize the antenna, reducing the scattered field, so that the antenna has been optimized)

此时例是关于用matlab实现牛顿法求解非线性方程组，（包含牛顿法、改进的牛顿法.梯度法、最速下降法代码），里面附带可以直接运行的程序。(At this case is about solving nonlinear equations using matlab Newton, (including Newton, Newton method to improve the code), which comes with the program can be run directly.)

最小二乘法根据历史输入输出值辨识参数曲线(Identification of parametric curves least squares method based on the historical value of the input and output)

Matlab函数解析经典教程Analysis of the classic tutorial Matlab function(Analysis of the classic tutorial Matlab function Analysis of the classic tutorial Matlab function)

用于matlab中图像后处理，将图像灰度化，二值化(For processing the image in MATLAB, the gray image, the value of the two)

神经网络函数逼近源代码,函数用了sin三角函数，你也可以随便换成其他函数使用(Neural network function approximation source code, with the sin trigonometric functions, you can easily switch to other functions use)

Pitch Determination Algorithm(Extract pitch of speech signal based on subharmonic-to-harmonic ratio)

说明：  能将一张大海的图和一张海鸥的图叠加在一起，同时进行边缘检测，如果海鸥图超出大海的边界，能自动进行裁剪。(Can a sea gulls and a figure added together, simultaneously the edge detection, if the sea gull beyond the border, can be cut.)