Unit7SDG

usps数据库为标准手写数据库，此为mat数据文件，含训练集和测试(USPS database is a standard handwritten database, which is a mat data file, including training set and test)

极易分词源码包,好用最新版本,双向匹配分词(vulnerable segmentation source package, the latest version easier to use, two-way matching word)

总体最小二乘法的谐波恢复总体最小二乘法的谐波恢复

说明：  红外摄像头USB信号读取识别，回传识别特征(USB signal reading identification of infrared camera)

用加密代码将文字隐藏在图片中，用解密代码将文字提取。c++(The text is hidden in the picture with encrypted code, and the text is extracted with decryption code.)

GAC evolves the level set function according to geodesic active contour model(GAC evolves the level set function accordi Vi to geodesic active contour model)

matlab实现lsb替换算法，包括水印嵌入、提取及PSNR计算评估。(Matlab implements LSB replacement algorithm, including watermark embedding, extraction and PSNR computation and evaluation.)

三次样条曲线拟合类，可用于样条插值、拟合、预测等算法场合。(The Cubic Spline Interpolation class can be used for spline interpolation, fitting, prediction and other algorithms.)

图像的圆检测程序。可以很好地进行灰度图的圆检测(Image circle detection procedures. Grayscale can be carried out of the circle detection)

雷克子波，绘制地震道记录，可以自己设置参数绘制相应的地震道记录(Reick wavelet, drawing seismic trace records, can set its own parameters to draw corresponding seismic trace records.)