jizhifa

说明：  分析音频，分割进行傅里叶变换，得出声谱图(Analyze the audio and get the spectrogram)

基于离散余弦变换的数字水印，包括水印的嵌入和提取以及常间的各种水印攻击(Discrete cosine transform based on digital watermarking, including the watermark embedding and extraction, as well as between the various watermark attacks often)

这是模式识别中线性分类器中最常用的fisher线性分类器，并在结果中画出了分类线和分类效果(This is image restoration in the Iterative Blind Deconvolution algorithm matlab source for the study of digital image has a lot of benefits!)

合成孔径雷达（SAR）的距离多普勒成像算法（点目标）(Synthetic aperture radar (SAR) of Range-Doppler imaging algorithm (point target))

利用小波边缘检测算法实现对图像的边缘检测，效果良好。(Wavelet edge detection algorithm on edge detection with good results.)

该程序是数字图像处理中一个常用的算法，研究在VC6.0下调试通过，并且达到了非常好的效果，希望对大家能有点帮助。(The program is a digital image processing algorithms commonly used to study under VC6.0 debugger through and achieved very good results, in the hope that we can to some extent.)

基于图割的图像分割的实现代码，在linux下测试通过(efficient graph cut source code，run in linux)

包滤波器，主要功能是在给定的滑动窗口大小下，对每个窗口内的像素值进行相加求和(Packet filter, the main function is given under the sliding window size for each window of the pixel values ​ ​ summed)

图像处理（图像融合，图像加密等）的性能评价指标集包括：平均梯度，边缘强度，信息熵，灰度均值，标准差(均方差MSE)，均方根误差，峰值信噪比（psnr），空间频率(sf)，图像清晰度，互信息(mi)，结构相似性(ssim)，交叉熵(cross entropy)，相对标准差。(Image processing，average gradient, edge strength, information entropy, gray mean, standard deviation (variance (MSE), are root mean square error, peak signal to noise ratio (PSNR), spatial frequency (SF), the sharpness of the image, the mutual information (MI), similar to the structure of (SSIM) and cross entropy (cross entropy). The relative standard deviation)

用于分别从四个方向提取图形图像的纹理特征(For texture feature graphic images were extracted four directions)