OFDM_4QAM

利用dct实现JPEG在Matlab环境下图像压缩程序(Matlab environment in JPEG image compression procedure)

差分法可逆水印算法仿真,对可逆水印研究有所帮助(Reversible watermarking algorithm difference method simulation, to help the study of reversible watermarking)

this rar file contains matlab code for face recognition using CS4VM. here the implementation was done by using CS4VM method of face recognition.

说明：  输入为两个信号，采用music算法进行特征分解，实现测向的目的(Input into two signals characteristic decomposition algorithm using music to achieve the purpose of finding)

冈萨雷斯数字图像处理MATLAB版，适合初学者(Gonzalez Digital Image Processing MATLAB version For beginners)

阵列信号处理课件，详细系统的讲解了阵列信号处理的方法与算法(Array signal processing system, detailed explanation of the array signal processing method and algorithm )

mimo clutter space time steering vector

buck/boost双向DCDC变换电路，即可以进行降压也可升压，采用双闭环控制(buck/boost bi-directional DC DC converter circuit, both can also be buck boost, dual loop control)

nonmaxsup——非最大值抑制 hysthresh——设定阈值区间，返回一个二值化图像 canny——边缘探测，图像边缘增强 adjgamma——调整图像的伽马值 findline——利用线性Hough变换和Canny边缘探测得到的线上各点的坐标 circlecoords——返回由圆的半径和圆心坐标决定的圆上各点像素的坐标 houghcircle——取一幅经过canny变换的图像，利用hough变换找到图像中的一个圆 findcircle——计算所得线上各点的坐标归纳出一个圆的半径和圆心，确定该圆的各点坐标 gaborconvolve——利用一维盖伯滤波器对图像进行处理 gethammingdistance ——返回两幅虹膜图像提取的特征码之间的海明距离 linecoords——返回一条线的上各点的x,y坐标值(nonmaxsup- non-maximum suppression hysthresh- set the threshold range, returns a binary image canny- edge detection, image edge enhancement adjgamma- adjust the image' s gamma value findline- linear Hough transform and Canny edge detection get the coordinates of each point circlecoords online- Returns coordinate houghcircle on the circle of the radius and center coordinates of the points decision pixels- After taking a picture canny transformation, using hough transform to find the image of a circle findcircle- the calculated coordinates of each point line summed up a circle of radius and center, to determine the coordinates of each point of the circle gaborconvolve- using a 维盖伯 filter for image processing gethammingdistance- returns two iris images extracted linecoords Hamming distance between the signature- a return line to the points on the x, y coordinate values)

代码工具箱distmesh的示例代码，里面例子很全注释很详细(Code toolbox distmesh sample code, the example of the full annotation is very detailed)